INTEGRATED CIRCUITS DATA SHEET TDA9615H Audio processor for VHS hi-fi Preliminary specification File under Integrated Circuits, IC02 1997 Jun 16 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H FEATURES • All functions controlled via the 2-wire I2C-bus • Single supply • Integrated standby modes for low power consumption • Integrated power muting for line and RFC output • Full support of video recorder feature modes GENERAL DESCRIPTION • Audio level meter output The TDA9615H is an audio control and processing circuit for VHS hi-fi video recorders, controlled via the I2C-bus. The device is adjustment-free using an integrated auto-calibration circuit. Extensive input and output selection is offered, including full support for (Euro-SCART) pay-TV decoding and video recorder feature modes. • Hi-fi signal processing: – Adjustment-free – High performance – Patented low distortion switching noise suppressor – NTSC and PAL (SECAM) standard • Linear audio input with level adjustment • 5 stereo inputs and additional mono audio input • 2 stereo outputs (line and decoder) with independent output selection • RF converter output with overload protect AGC. ORDERING INFORMATION TYPE NUMBER TDA9615H 1997 Jun 16 PACKAGE NAME QFP44 DESCRIPTION plastic quad flat package; 44 leads (lead length 1.3 mm); body 10 × 10 × 1.75 mm 2 VERSION SOT307-2 1997 Jun 16 3 AUXR AUXL EXT2R EXT2L EXT1R EXT1L CINR CINL 10 9 8 7 6 5 4 3 2 1 44 36 37 M = mute + data and control signals + SAP + HF normal select M volume right M M 20 + 21 M R L M dub PEAK HOLD 27 audio audio DCR DCL + 38 DETECTOR RECTIFIER CCA DETECTOR RECTIFIER CCA 29 28 Iref M RF-converter mute 11 M AUTO-MUTE line select RFCAGC mute E2R E2L TUR E1R SAP TUL E1L SAP 13 12 17 16 14 15 19 18 30 31 32 33 34 26 25 24 23 22 MGK471 decoder select +1 dB 12 V WEIGHTING AND FM DE-EMPHASIS noise reduction WEIGHTING AND FM DE-EMPHASIS noise reduction SUPPLY 43 AGND DGND V5OUT Vref standby mode 35 VCC TDA9615H PEAK HOLD + + output select envelope output select + record N R L 42 SCL I2C-BUS INTERFACE 41 Fig.1 Block diagram. AUDIO CLIPPER SAMPLEAND-HOLD HID AUDIO CLIPPER SAMPLEAND-HOLD HID DROPOUT CANCELING HI-FI DETECTOR normal input level PLL CCO (1.7 or 1.8 MHz) PLL CCO (1.3 or 1.4 MHz) LINOUT LININ HF LIMITER HF volume left 1.7 or 1.8 MHz E2L E2R dub N carrier ratio TUL TUR input select + 1.3 or 1.4 MHz HF LIMITER LEVEL DETECTOR 39 SDA MUTEC RFCOUT MUTER LINER MUTEL LINEL DECR DECL DETR DCR EMPHR DCREFR DCFBR DETL DCL EMPHL DCREFL DCFBL Audio processor for VHS hi-fi I2C-bus E2R E2L E1R E1L TUR TUL SAP M DCL DCR envelope output select + playback ENVOUT andbook, full pagewidth TUNR TUNL SAP FMOUT FMIN HID 40 HID Philips Semiconductors Preliminary specification TDA9615H BLOCK DIAGRAM Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H PINNING SYMBOL PIN DESCRIPTION SYMBOL PIN DESCRIPTION TUNL 1 tuner input left DCREFL 23 NR DC reference left TUNR 2 tuner input right EMPHL 24 NR emphasis left CINL 3 cinch input left DCL 25 NR DC decoupling left CINR 4 cinch input right DETL 26 NR detector left EXT1L 5 external 1 input left AGND 27 analog ground EXT1R 6 external 1 input right Iref 28 reference current standard EXT2L 7 external 2 input left Vref 29 reference voltage filter 30 NR detector right EXT2R 8 external 2 input right DETR AUXL 9 auxiliary input left DCR 31 NR DC decoupling right AUXR 10 auxiliary input right EMPHR 32 NR emphasis right 33 NR DC reference right RFCAGC 11 RFC AGC timing input DCREFR RFCOUT 12 RFC output DCFBR 34 NR DC feedback right MUTEC 13 mute for RFC output VCC 35 supply voltage MUTEL 14 mute for line output left FMOUT 36 FM output LINEL 15 line output left FMIN 37 FM input LINER 16 line output right V5OUT 38 5 V decoupling output MUTER 17 mute for line output right ENVOUT 39 envelope output DECL 18 decoder output left HID 40 HID input DECR 19 decoder output right SDA 41 I2C-bus SDA input/output LINOUT 20 linear audio output SCL 42 I2C-bus SCL input LININ 21 linear audio input DGND 43 digital ground DCFBL 22 NR DC feedback left SAP 44 tuner SAP input 1997 Jun 16 4 Philips Semiconductors Preliminary specification 34 DCFBR 35 VCC 36 FMOUT 37 FMIN 40 HID 41 SDA 42 SCL 43 DGND 44 SAP handbook, full pagewidth 38 V5OUT TDA9615H 39 ENVOUT Audio processor for VHS hi-fi TUNL 1 33 DCREFR TUNR 2 32 EMPHR CINL 3 31 DCR CINR 4 30 DETR 29 Vref EXT1L 5 EXT1R 6 28 Iref TDA9615H EXT2L 7 27 AGND EXT2R 8 26 DETL AUXL 9 25 DCL AUXR 10 24 EMPHL 23 DCREFL DCFBL 22 LININ 21 LINOUT 20 DECL 18 DECR 19 MUTER 17 LINER 16 LINEL 15 MUTEL 14 MUTEC 13 RFCOUT 12 RFCAGC 11 MGK470 Fig.2 Pin configuration. FUNCTIONAL DESCRIPTION An overview of input/output selections is given in Figs 3 to 5. Full control of the TDA9615H is accomplished via the 2-wire I2C-bus. Up to 400 kbits/s bus speed can be used, in accordance with the I2C-bus fast-mode specification. The detailed functional description can be found in Chapter “I2C-bus protocol”. 1997 Jun 16 5 1997 Jun 16 (1) NORMAL (1) For ‘Dub Mix’ mode signal selections see Fig.4. AUXR DUB MIX AUX SAP AUXL SAP EXT2 EXT1 CINCH EXT2R EXT2L EXT1R EXT1L CINR TUNER input select 6 LINOUT LININ linear audio processing MUTE (0 to +14 dB) normal input level AUDIO FM PROCESSING HI-FI tape FMIN FMOUT NORMAL NORMAL NORMAL NORMAL STEREO RIGHT LEFT MUTE HF envelope STEREO RIGHT LEFT output select MGK473 HF ENVELOPE STEREO OUTPUT SELECT envelope select MUTE 0 dB AGC RFC mute OUTPUT SELECT EXT2 line select OUTPUT SELECT MUTE ENVOUT RFCOUT 0 dB +1 dB LOH LINER LINEL DECR DECL Audio processor for VHS hi-fi Fig.3 Input/output selections; standard operation. MUTE EXT2 TUNER SAP VOLUME LEFT VOLUME INPUT LEFT INPUT SELECT normal select volume right MUTE (−47 to 0 dB; 0 to +15 dB) MUTE (−47 to 0 dB; 0 to +15 dB) volume left ok, full pagewidth CINL TUNR TUNL SAP EXT1 TUNER decoder select Philips Semiconductors Preliminary specification TDA9615H 1997 Jun 16 DUB MIX 7 MUTE EXT2 TUNER SAP VOLUME LEFT VOLUME INPUT LEFT INPUT SELECT normal select volume hi-fi MUTE (−47 to 0 dB; 0 to +15 dB) MUTE (−47 to 0 dB; 0 to +15 dB) volume aux LINOUT LININ linear audio processing (record) MUTE (0 to +14 dB) normal input level (playback) AUDIO FM PROCESSING HI-FI tape FMIN FMOUT LEFT RIGHT LEFT NORMAL LEFT RIGHT LEFT MUTE NORMAL NORMAL NORMAL NORMAL STEREO RIGHT LEFT MUTE HF envelope RIGHT RIGHT output select Fig.4 Input/output selections; ‘Dub Mix’ mode. MGK474 HF ENVELOPE STEREO OUTPUT SELECT envelope select MUTE 0 dB AGC RFC mute OUTPUT SELECT EXT2 line select OUTPUT SELECT MUTE ENVOUT RFCOUT 0 dB +1 dB LOH LINER LINEL DECR DECL Audio processor for VHS hi-fi ‘Dub Mix’ mode (IS2 = 1; IS1 = 0; IS0 = 1); input mixing of hi-fi (‘playback’ mode) signal with AUX input for linear audio recording (audio dubbing). Selections generally used in combination with this mode are shown in heavy line type. AUXR AUXL SAP EXT2R EXT2L EXT1R EXT1L CINR input select full pagewidth CINL TUNR TUNL SAP EXT1 TUNER decoder select Philips Semiconductors Preliminary specification TDA9615H LOH EXT1 DECL SAP MUTE TUNL TUNR input select output select DECR OUTPUT SELECT 0 dB +1 dB CINL CINR line select EXT1L LINEL EXT1R MUTE MUTE EXT2L EXT2 OUTPUT SELECT EXT2R LINER SAP RFC mute AUXL Philips Semiconductors TUNER Audio processor for VHS hi-fi pagewidth 1997 Jun 16 decoder select 0 dB AGC AUXR RFCOUT MUTE a. Active standby mode (STBA = 1, STBP = 0); 75% power reduction. MGK475 8 TUNL TUNR input select CINL CINR EXT1L EXT1R EXT2L MUTE EXT2R SAP AUXL AUXR TDA9615H Fig.5 Input/output selections; standby modes. Preliminary specification b. Passive standby mode (STBP = 1); 90% power reduction. Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H I2C-BUS PROTOCOL Addressing and data bytes For programming the device (write mode) seven data byte registers are available; they are addressable via eight subaddresses. Automatic subaddress incrementing enables the writing of successive data bytes in one transmission. During power-on, data byte registers are reset to a default state by use of a Power On Reset (POR) circuit which signal is derived from the internally generated I2C-bus supply voltage (V5OUT; pin 38). For reading from the device (read mode) one data byte register is available without subaddressing. Table 1 TDA9615H addresses and data bytes DATA BYTE ADDRESS Write mode Slave address byte (B8H) 1 0 1 1 1 0 0 0 Subaddress bytes (00H to 07H) 0(1) 0(1) 0(1) 0(1) 0 0 or 1 0 or 1 0 or 1 Control byte (subaddress 00) AFM DOC SHH DETH NTSC MUTE STBP STBA Select byte (subaddress 01) DOS1 DOS0 s5 s4 NIL3 NIL2 NIL1 NIL0 Input byte (subaddress 02) i7 IS2 IS1 IS0 NS2 NS1 NS0 i0 Output byte (subaddress 03) LOH OSN OSR OSL EOS LOS DOS RFCM Left volume byte (subaddress 04) I7 VLS VL5 VL4 VL3 VL2 VL1 VL0 Right volume byte (subaddress 05) r7 VRS VR5 VR4 VR3 VR2 VR1 VR0 Volume byte (subaddress 06) simultaneous loading of subaddress 04 and subaddress 05 register Power byte (subaddress 07) CALS VCCH TEST PORR p3 p2 p1 p0 Read mode Slave address byte (B9H) 1 0 1 1 1 0 0 1 Read byte CALR AUTN 0(2) POR 0(2) 1(2) 0(2) 0(2) Notes 1. Use of subaddress F0H to F7H (1111 0XXX) instead of 00H to 07H (0000 0XXX) disables the automatic subaddress incrementing allowing continuous writing to a single data byte register. 2. The state of unused read bits are not reliable; their state may change during development. Table 2 Status of data bytes after POR DATA BYTE ADDRESS Control byte 1 0 0 0 1 1 0 0 Select byte 0 0 1(1) 1(1) 0 0 0 0 Input byte 0(1) 0 0 0 1 1 1 0(1) Output byte 0 0 0 0 0 0 0 1 Left volume byte 0(1) 1 0 0 0 0 0 0 Right volume byte 0(1) 1 0 0 0 0 0 0 0 0(1) 0(1) 0(1) 0(1) Power byte 0 0 0 Note 1. For eventual future compatibility it is advised to keep unused write bits equal to POR state. 1997 Jun 16 9 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H Valid transmissions to and from TDA9615H Table 3 Examples of valid transmissions FUNCTION Write DATA TRANSFER SEQUENCE START - B8H - 00H - data_for_00 - STOP Write with auto-increment START - B8H - 00H - data_for_00 - data_for_01 - data_for_02 - STOP Auto-increment ‘wrap-around’ START - B8H - 07H - data_for_07 - data_for_00 - data_for_01 - STOP Write without auto-increment START - B8H - F6H - data_for_06 - data_for_06 - data_for_06 - STOP Read START - B9H - data_from_ic - STOP START - B9H - data_from_ic - data_from_ic - data_from_ic - STOP Overview of TDA9615H I2C-bus control Table 4 Condensed overview FUNCTION MODES CONTROL BITS Audio FM mode playback; loop-through(1); record AFM, DOC and SHH Dropout cancelling on; off DOC Headswitch noise cancel sample-and-hold time 6 µs; 8 µs SHH Playback hi-fi carrier detection slow; fast DETH Record carrier ratio 0; 6; 8; 9.5; 11; 12.5; 13.5 dB DOC, SHH and DETH System standard NTSC(1); Power mute output muting(1) MUTE Operation mode full operation(1); active standby; passive standby STBP and STBA (1) PAL NTSC Normal input level 0 Input select Tuner(1); Normal select Input Select; Volume; Input-Left; Volume-Left; SAP; Tuner; Ext2; mute(1) NS2, NS1 and NS0 Line output amplification 0 dB(1); +1 dB LOH Output select mute(1); Left; Right; Stereo; Normal; Mix-Left; Mix-Right; Mix-Stereo OSN, OSR and OSL Envelope output Output Select(1); Stereo; HF Envelope EOS and AFM to +14 dB; mute NIL3 to NIL0 Cinch; Ext1; Ext2; SAP; Dub Mix; Normal; Aux IS2, IS1 and IS0 Output Select(1); Ext2 Decoder output select Output Select(1); Tuner; Ext1; SAP; mute RFC output 0 dB; mute(1) RFCM Volume left −47 to 0 dB(1); 0 to +15 dB; mute VLS, VL5 to VL0 Volume right −47 to 0 VRS, VR5 to VR0 Auto-calibration off(1); start calibration Line output select Supply voltage Test 9 V(1); dB(1); LOS 0 to +15 dB; mute CALS 12 V standard operation(1); VCCH test modes Note 1. POR. 1997 Jun 16 DOS, DOS1 and DOS0 10 TEST, s4 to NIL0 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H Control byte; subaddress 00 (hi-fi and general control) Table 5 Bits of control byte BIT DESCRIPTION AFM audio FM mode; see Table 6 DOC dropout cancel; see Table 6 SHH sample-and-hold high-state; see Table 6 DETH detector high; see Table 6 NTSC NTSC television system standard; see Table 7 MUTE power mute; see Table 8 STBP standby mode passive; see Table 9 STBA standby mode active; see Table 9 Table 6 Bits AFM, DOC, SHH and DETH AFM DOC SHH DETH 0 X(1) X(1) X(1) MODE playback(2) REMARKS DESCRIPTION 0 0 X(1) X(1) playback DOC off no dropout cancelling 0 1 X(1) X(1) playback DOC on dropout cancelling active 0 X(1) 0 X(1) playback sample-andheadswitch noise cancel time is 6 µs hold time = 6 µs 0 X(1) 1 X(1) playback sample-andheadswitch noise cancel time is 8 µs hold time = 8 µs 0 X(1) X(1) 0 playback detect = fast hi-fi detector timing: fast mode 0 X(1) X(1) 1 playback detect = slow hi-fi detector timing: slow mode 1 X(1) X(1) X(1) record/loop-through hi-fi circuit in record/loop-through mode 1 0 0 0 loop-through(3)(4) no FM output signal (EE mode) 1 0 0 1 record 0 dB mix 0 dB FM output carrier ratio (1 : 1) 1 0 1 0 record 6 dB mix 6 dB FM output carrier ratio (1 : 2) 1 0 1 1 record 8 dB mix 8 dB FM output carrier ratio (1 : 2.5) 1 1 0 0 record 9.5 dB mix standard 9.5 dB FM output carrier ratio (1 : 3) 1 1 0 1 record 11 dB mix 11 dB FM output carrier ratio (1 : 3.5) 1 1 1 0 record 12.5 dB mix 12.5 dB FM output carrier ratio (1 : 4.2) 1 1 1 1 record 13.5 dB mix 13.5 dB FM output carrier ratio (1 : 4.7) hi-fi circuit in playback mode Notes 1. X = don’t care. 2. Auto-normal function: if during hi-fi ‘playback’ mode no FM carrier is detected at FMIN (pin 37) the ‘Normal’ mode audio signal (LININ; pin 21) is automatically selected by the output select function. a) Hi-fi carrier detection time (i.e. auto-normal release time) can be selected via bit DETH: ‘fast’ mode: 1 to 2 HID periods (33 to 66 ms NTSC, 40 to 80 ms PAL) ‘slow’ mode: 7 to 8 HID periods (233 to 267 ms NTSC, 280 to 320 ms PAL). b) The status of hi-fi detection can be monitored via the I2C-bus; see bit AUTN of the read byte (see Table 31). c) If muting is required instead of automatic selection of the ‘Normal’ mode audio signal the normal input level function should be set to mute; see bits NIL3 to NIL0 of the select byte. 1997 Jun 16 11 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H 3. Modes ‘loop-through’ and ‘record’ are equal in audio signal flow; FMOUT (pin 36) however is muted during ‘loop-through’ mode. 4. POR. Table 7 Bit NTSC NTSC(1) MODE DESCRIPTION 0 PAL hi-fi circuit in ‘PAL’ mode (FM carriers: 1.4 and 1.8 MHz) 1 NTSC(2) hi-fi circuit in ‘NTSC’ mode (FM carriers: 1.3 and 1.7 MHz) Notes 1. Bit NTSC selects between the system standard settings for NTSC and PAL (SECAM) use. The auto-calibration function uses the system standard HID frequency of 29.97 Hz for NTSC and 25 Hz for PAL. After calibration bit NTSC allows immediate switching between the NTSC and PAL system standard. 2. POR. Table 8 Bit MUTE MUTE(1) MODE DESCRIPTION 0 − power mute function released; mute switches open 1 mute(2) power mute function activated; mute switches closed Notes 1. Bit MUTE controls the line and RFC output mute switches at pins 13, 14 and 17 (power mute function). Power mute is also automatically activated at supply voltage power-up or power-down (VCC; pin 35). 2. POR. Table 9 Bits STBP and STBA STBP STBA 0 0 0 1(2) 1(4) X(5) MODE − (note 1) active standby(3) passive standby(3) DESCRIPTION full operation standby mode; reduced power consumption standby mode; minimum power consumption Notes 1. POR. 2. By selecting STBA = 1 the TDA9615H is switched to low-power ‘active standby’ mode. To reduce power consumption most circuits are switched off. RFC, line and decoder outputs however remain active. This way the direct audio selections offered via the line output select and decoder output select functions (bits LOS and DOS of the output byte) remain operable in this mode. The ‘Output Select’ mode signal is muted. 3. Calibration and I2C-bus registers are not affected by using ‘active standby’ or ‘passive standby’ mode. 4. By selecting STBP = 1 the TDA9615H is switched to minimum power ‘passive standby’ mode. All circuits except power mute, I2C-bus and the line input reference buffer (voltage at pins 1 to 10 and 44) are switched off for minimum power consumption. Use of the power mute function (bit MUTE of control byte) ensures pop-free switching of the line and RFC output to and from ‘passive standby’ mode. To obtain minimum power consumption the power mute function should be de-activated again during ‘passive standby’ mode. 5. X = don’t care. 1997 Jun 16 12 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H Select byte; subaddress 01 (decoder output select and linear audio volume control) Table 10 Bits of select byte BIT DESCRIPTION DOS1 decoder output select 1; see Table 11 DOS0 decoder output select 0; see Table 11 NIL3 normal input level 3; see Table 12 NIL2 normal input level 2; see Table 12 NIL1 normal input level 1; see Table 12 NIL0 normal input level 0; see Table 12 Table 11 Bits DOS1 and DOS0; note 1 DOS1 DOS0 MODE DESCRIPTION 0 0 Tuner decoder output signal is TUNL and TUNR input signal 0 1 Ext1 decoder output signal is EXT1L and EXT1R input signal 1 0 SAP decoder output signal is SAP input signal 1 1 mute mute Note 1. By selecting bit DOS = 1 of the output byte several independent signal input selections are offered for the decoder outputs DECL and DECR (pins 18 and 19) via bits DOS1 and DOS0: a) TUNL and TUNR inputs (pins 1 and 2) b) EXT1L and EXT1R inputs (pins 5 and 6) c) SAP input (pin 44) d) Mute. These decoder selections are also operable in ‘active standby’ mode (bit STBA = 1 of the control byte). 1997 Jun 16 13 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H Table 12 Bits NIL3, NIL2, NIL1 and NIL0; note 1 NIL3 NIL2 NIL1 NIL0 DESCRIPTION 0 0 0 0 0 dB; note 2 0 0 0 1 1 dB 0 0 1 0 2 dB 0 0 1 1 3 dB 0 1 0 0 4 dB 0 1 0 1 5 dB 0 1 1 0 6 dB 0 1 1 1 7 dB 1 0 0 0 8 dB 1 0 0 1 9 dB 1 0 1 0 10 dB 1 0 1 1 11 dB 1 1 0 0 12 dB 1 1 0 1 13 dB 1 1 1 0 14 dB 1 1 1 1 mute Notes 1. Mute and 15 settings of amplification can be selected for the linear audio input signal (LININ; pin 21). This level control can replace the manual adjustment of ‘playback’ mode level at the linear audio circuit. 2. POR. Input byte; subaddress 02 (input selection for hi-fi and normal audio) Table 13 Bits of input byte BIT DESCRIPTION IS2 input select 2; see Table 14 IS1 input select 1; see Table 14 IS0 input select 0; see Table 14 NS2 normal select 2; see Table 15 NS1 normal select 1; see Table 15 NS0 normal select 0; see Table 15 1997 Jun 16 14 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H Table 14 Bits IS2, IS1 and IS0; note 1 IS2 IS1 IS0 MODE DESCRIPTION 0 0 0 Tuner(2) TUNL and TUNR input 0 0 1 Cinch CINL and CINR input 0 1 0 Ext1 EXT1L and EXT1R input (TV input) 0 1 1 Ext2 EXT2L and EXT2R input (decoder input) 1 0 0 SAP SAP; mono input Mix(3) AUX input signal (L) and selection of hi-fi output signal (R) 1 0 1 Dub 1 1 0 Normal LININ input (linear audio) 1 1 1 Aux AUXL and AUXR input (e.g. camcorder input) Notes 1. Bits IS2, IS1 and IS0 select the input signal which is led to the volume controls of the hi-fi processing and generally via the normal select function to the linear audio circuit (LINOUT; pin 20). 2. POR. 3. ‘Dub Mix’ is a special selection for linear audio use supporting audio dubbing (a video recorder feature mode for sound recording of linear audio only). ‘Dub Mix’ connects the AUX input signal to the left channel (1⁄2AUXL + 1⁄2AUXR) and the hi-fi output signal to the right channel (generally 1⁄2hi-fi left + 1⁄2hi-fi right but also hi-fi left or hi-fi right can be selected). ‘Dub Mix’ also changes part of the ‘Output Select’ mode settings to ‘Normal’ mode for monitoring of the linear audio recording (see control bits OSN, OSR and OSL of the output byte for ‘Dub Mix’ mode input and output selection). Table 15 Bits NS2, NS1, NS0; note 1 NS2 NS1 NS0 0 0 0 Input Select hi-fi input selection 0 0 1 Volume hi-fi volume control 0 1 0 Input-Left left channel of hi-fi input selection only 0 1 1 Volume-Left left channel of hi-fi volume control 1 0 0 SAP SAP; mono input 1 0 1 Tuner TUNL and TUNR input 1 1 0 Ext2 EXT2L and EXT2R input 1 mute(2) mute 1 1 MODE DESCRIPTION Notes 1. With bits NS2, NS1 and NS0 the input signal is selected which is available at the LINOUT output (pin 20) for connection to an external linear audio circuit. The signal selected with the input select function (via bits IS2, IS1 and IS0) is available in the following ways: a) Left and right channel combined, optional including hi-fi volume control (1⁄2hi-fi left + 1⁄2hi-fi right). b) Left channel only (language I), optional including left channel volume control. Furthermore the SAP input (pin 44), tuner input (pins 1 and 2) or EXT2 input (pins 7 and 8) can be selected independently. Also a mute setting is available. 2. POR. 1997 Jun 16 15 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H Output byte; subaddress 03 (output selection and control) Table 16 Bits of output byte BIT DESCRIPTION LOH line output high; see Table 17 OSN output select normal; see Table 18 OSR output select right; see Table 18 OSL output select left; see Table 18 EOS envelope output select; see Table 20 LOS line output select; see Table 21 DOS decoder output select; see Table 22 RFCM RFC mute; see Table 23 Table 17 Bit LOH; note 1 LOH 0 1 MODE 0 dB(2) 1 dB DESCRIPTION no line output amplification 1 dB line output amplification Notes 1. An additional 1 dB amplification can be selected for line and decoder outputs LINEL, LINER, DECL and DECR (pins 15, 16, 18 and 19). 2. POR. Table 18 Bits OSN, OSR and OSL; notes 1 and 2 OSN OSR OSL MODE DESCRIPTION 0 0 0 mute(3) 0 0 1 Left left hi-fi channel selected (language I) 0 1 0 Right right hi-fi channel selected (language II) 0 1 1 Stereo hi-fi stereo selected 1 0 0 Normal normal selected (linear audio; LININ input) 1 0 1 Mix-Left mix of hi-fi left with normal (1⁄2hi-fi left + 1⁄2normal) 1 1 0 Mix-Right mix of hi-fi right with normal (1⁄2hi-fi right + 1⁄2normal) 1 1 1 Mix-Stereo mix of hi-fi stereo with normal (1⁄2hi-fi stereo + 1⁄2normal) mute; no selection Notes 1. When no hi-fi signal is found on tape during ‘playback’ mode the auto-normal function is activated; all output select function modes except ‘mute’ will be overruled and changed to ‘Normal’ mode. If muting of the hi-fi sound is desired instead of selecting linear audio the normal input level (bits NIL3 to NIL0 of the select byte) should be set to mute. Activation of the auto-normal function can be monitored by reading bit AUTN of the read byte. 2. If ‘Dub Mix’ mode is selected via the input select function (see control bits IS2, IS1 and IS0 of the input byte) functionality of the modes ‘Mix-Left’, ‘Mix-Right’ and ‘Mix-Stereo’ are changed to support audio dubbing input mixing. Hi-fi channel selection is offered for the input and normal sound is available at the output for monitoring of the linear audio recording. See also Table 19. 3. POR. 1997 Jun 16 16 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H Table 19 Dub Mix selections MODE DUB MIX OUTPUT SELECTION DUB MIX INPUT SELECTION mute(1) mute mute Left left hi-fi left Right right hi-fi right Stereo stereo 1⁄ Normal normal normal Mix-Left normal hi-fi left 2hi-fi left + 1⁄2hi-fi right Mix-Right normal hi-fi right Mix-Stereo normal 1⁄ 2hi-fi left + 1⁄2hi-fi right Note 1. POR. Table 20 Bit EOS EOS(1) 0 1 MODE Output DESCRIPTION Select(2) Stereo or HF audio peak envelope of ‘Output Select’ mode signal envelope(3) audio peak envelope of hi-fi stereo or HF envelope Notes 1. A signal selection for output ENVOUT (pin 39) is available using bit EOS. 2. POR. 3. The selection made for mode ‘Stereo or HF envelope’ depends upon the mode of the hi-fi processing: a) Hi-fi ‘loop-through’ mode or ‘record’ mode (bit AFM = 1): audio peak envelope of hi-fi stereo. b) Hi-fi ‘playback’ mode (bit AFM = 0): HF envelope of left channel FM carrier. Table 21 Bit LOS; notes 1 and 2 LOS MODE 0 Output 1 Ext2 Select(3) DESCRIPTION line output signal is set by output select function line output signal is EXT2L and EXT2R input Notes 1. An independent selection of EXT2L and EXT2R inputs (pins 7 and 8) to the line outputs LINEL and LINER (pins 15 and 16) is possible by setting bit LOS to 1. This direct selection is also operable in ‘active standby’ mode (STBA = 1 of the control byte). 2. Using bit DOS and bits DOS1 and DOS0 of the output byte mode ‘Tuner’ or ‘Ext1’ selection to the outputs DECL and DECR (pins 18 and 19) is offered realizing full Euro-SCART pay-TV decoder switching. 3. POR. 1997 Jun 16 17 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H Table 22 Bit DOS; notes 1 and 2 DOS MODE 0 Output Select(3) 1 decoder select(4) DESCRIPTION decoder output signal is set by output select function decoder output signal is set by decoder output select function Notes 1. An independent selection of TUNL and TUNR (pins 1 and 2), EXT1L and EXT1R (pins 5 and 6), SAP (pin 44) or mute is possible for the decoder outputs DECL and DECR (pins 18 and 19) by setting bit DOS to 1. Source selection is offered by using bits DOS1 and DOS0 of the select byte. These direct selections are also operable in ‘active standby’ mode (STBA = 1 of the control byte). 2. In combination with the independent EXT2 selection to the outputs LINEL and LINER (pins 15 and 16) via bit LOS full Euro-SCART pay-TV decoder switching is offered. 3. POR. 4. Internal mode. Table 23 Bit RFCM; note 1 RFCM MODE DESCRIPTION 0 − RFC output is set by output select function 1 mute(2) RFC output signal is muted (AGC reset) Notes 1. RF converter output RFCOUT (pin 12) can be muted using bit RFCM. During mute the AGC capacitor at pin 11 (RFCAGC) is discharged, resetting AGC control. 2. POR. 1997 Jun 16 18 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H Volume bytes; subaddresses 04, 05 and 06 (left and right channel volume control) Table 24 Bits of volume bytes; see Table 25 BIT DESCRIPTION VLS volume left sign VL5 volume left 5 ↓ ↓ VL0 volume left 0 VRS volume right sign VR5 volume right 5 ↓ ↓ VR0 volume right 0 Table 25 bits VLS, VRS, VL5 to VL0 and VR5 to VR0; note 1 VLS VL5 VL4 VL3 VL2 VL1 VL0 VRS VR5 VR4 VR3 VR2 VR1 VR0 0 0 0 0 0 ↓ 0 0 0 0 0 0 1 1 1 1 1 ↓ 1 1 1 1 1 0 0 0 0 0 ↓ 1 1 1 1 1 1 X(2) X(2) X(2) X(2) X(2) ↓ X(2) X(2) X(2) X(2) X(2) 0 0 0 0 0 ↓ 0 0 0 0 0 1 X(2) X(2) X(2) X(2) X(2) ↓ X(2) X(2) X(2) X(2) X(2) 0 0 0 0 0 ↓ 1 1 1 1 1 X(2) 0 0 0 0 0 ↓ 1 1 1 1 1 0 0 0 0 1 ↓ 0 1 1 1 1 X(2) 0 0 0 0 1 ↓ 0 1 1 1 1 0 0 1 1 0 ↓ 1 0 0 1 1 X(2) 0 0 1 1 0 ↓ 1 0 0 1 1 0 1 0 1 0 ↓ 1 0 1 0 1 X(2) 0 1 0 1 0 ↓ 1 0 1 0 1 MODE 0 dB −1 dB −2 dB −3 dB −4 dB ↓ −43 dB −44 dB −45 dB −46 dB −47 dB mute 0 dB(3) +1 dB +2 dB +3 dB +4 dB ↓ +11 dB +12 dB +13 dB +14 dB +15 dB Notes 1. Left and right volume controls can be set simultaneous by using subaddress 06 (volume byte). Addressing the volume byte will load both the left and right volume registers with the same data value. 2. X = don’t care. 3. POR. 1997 Jun 16 19 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H Power byte; subaddress 07 (power-up control and test) Table 26 Bits of power byte BIT DESCRIPTION CALS calibration start; see Table 27 VCCH VCC high; see Table 28 TEST test; see Table 29 PORR POR reset; see Table 30 Table 27 Bit CALS; note 1 CALS(2) MODE DESCRIPTION 0 − (note 3) − 1 start calibration start of automatic calibration cycle Notes 1. Pin 39 (ENVOUT) or bit CALR of the read byte can be monitored to check for successful completion of the calibration. It is advised to keep CALS logic 1 after calibration to ensure a reliable CALR state. 2. After a change of bit CALS from logic 0 to logic 1, an automatic frequency calibration is performed setting hi-fi modem, band-pass filter and noise reduction. Use of auto-calibration is only needed after power-up of the supply voltage (POR). 3. POR. Table 28 Bit VCCH; notes 1 and 2 VCCH MODE DESCRIPTION 0 9 V; note 3 output DC voltage is 4.5 V 1 12 V output DC voltage is 6 V Notes 1. To maximize the output drive when using 12 V supply voltage (VCC; pin 35), the DC level of outputs LINEL, LINER, DECL and DECR (pins 15, 16, 18 and 19) can be changed using bit VCCH. 2. Use of the power mute function (bit MUTE of the control byte) ensures disturbance-free switching of the line output signal when setting VCCH after power-up. 3. POR. Table 29 Bit TEST; note 1 TEST MODE DESCRIPTION 0 − (note 2) standard operation 1 test special measurement test modes Notes 1. Several special test modes can be selected for testing and evaluation purposes. Bits s4 to NIL0 of the select byte are used for selection of these tests. 2. POR. 1997 Jun 16 20 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H Table 30 Bit PORR; note 1 PORR MODE DESCRIPTION 0 − (note 2) − 1 POR reset reset of POR signal bit Notes 1. Bit POR of the read byte can be used to detect the occurrence of a power-on reset situation (bit POR reads logic 1 in case the I2C register contents equal the POR default state). When applying bit POR this way, PORR should be used after a power-on reset to force a reset of the POR read bit state to logic 0. 2. POR. Read byte (device state information) Table 31 Bits of read byte BIT CALR DESCRIPTION calibration ready; see Table 32 AUTN auto-normal; see Table 33 POR power-on reset; see Table 34 Table 32 Bit CALR; notes 1 and 2 CALR DESCRIPTION 0 device is not calibrated 1 device has completed auto-calibration Notes 1. Bit CALR = 0 indicates the device is not calibrated. After an automatic calibration is started by setting bit CALS of the power byte the end of calibration is signalled by this bit. If for some reason a calibration cannot be completed (e.g. no HID signal available or hi-fi processing is in ‘playback’ mode) CALR remains logic ‘0’. If calibration is lost due to a power-on reset situation CALR will return to logic 0 as well. 2. Also the envelope output (pin 39) can be used to check for end of calibration. Table 33 Bit AUTN; notes 1 and 2 AUTN DESCRIPTION 0 audio FM signal is detected at FM input 1 no audio FM signal detected; normal sound is selected instead of hi-fi Notes 1. When hi-fi processing is in ‘playback’ mode but no hi-fi carrier input signal is detected the auto-normal function is activated. Auto-normal overrules the ‘Output Select’ mode setting, selecting normal sound (i.e. linear audio) instead of hi-fi. The state of this auto-normal function can be checked via bit AUTN. 2. The auto-normal function is only active (bit AUTN = logic 1) for hi-fi ‘playback’ mode (bit AFM = 0); during ‘record’ or ‘loop-through’ mode bit AUTN is always logic 0. 1997 Jun 16 21 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H Table 34 Bit POR; notes 1 and 2 POR DESCRIPTION 0 I2C-bus bit state differs from power-on reset state 1 I2C-bus bit state equals power-on reset state Notes 1. At power-on or during a power voltage dip, an internal power-on reset signal is generated which resets the I2C-bus data bits to a predefined state. When the internal data bits are found to be in POR state (due to an actual power-on reset but also if set via the I2C-bus) bit POR signals logic 1. 2. Using the POR bit to detect the occurrence of a power-on reset requires bit PORR to be set logic 1 after power-up. Setting bit PORR forces the POR bit to logic 0 independent of other I2C-bus bit settings. After calibration is completed also the CALR bit can be used to detect a power-on reset; calibration will be lost in such situation which is signalled by CALR = 0. LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL PARAMETER MIN. VCC supply voltage 0 MAX. UNIT 13.2 V Tstg storage temperature −65 +150 °C Tamb operating ambient temperature 0 70 °C Ves electrostatic handling machine model −300 +300 V human body model −3000 +3000 V THERMAL CHARACTERISTICS SYMBOL Rth j-a PARAMETER CONDITIONS thermal resistance from junction to ambient VALUE UNIT 60 K/W in free air DC CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supply voltage VCC supply voltage; pin 35 VCCH = 0 8.1 9 13.2 V VCCH = 1 8.1 12 13.2 V Supply current ICC 1997 Jun 16 − 45 60 mA STBA = 1 (‘active standby’ mode) − 12 18 mA STBP = 1 (‘passive standby’ mode) − 4 6 mA supply current; pin 35 22 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi SYMBOL TDA9615H PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Input voltages (internally generated) VI input voltage pins 1 to 10, 21 and 44 − 3.8 − V pin 37 − 1.9 − V − 3.8 − V Output voltages VO output voltage pin 12 pins 15, 16, 18 and 19 VCCH = 0 − 4.5 − V VCCH = 1 − 6 − V − 4.5 − V pin 20 pin 36 − 1.2 − V pin 38 − 5 − V − − 3 mA Output current IO output current at pin 38 HID input; pin 40 VIH HIGH-level input voltage 2.75 − 5.5 V VIL LOW-level input voltage 0 − 2.25 V AC CHARACTERISTICS Loop-through mode Audio input level −8 dBV for f = 1 kHz at TUN inputs (pins 1 and 2); VCC = 12 V; Tamb = 25 °C; POR state with mute off; calibrated; bit NTSC set to logic 1 or logic 0; measured in application diagram of Fig.6; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Line inputs and linear audio input (TUN, CIN, EXT1, EXT2, AUX, SAP and LININ; pins 1 to 10, 44 and 21) Ri input impedance 100 130 − kΩ Vi input voltage − − 9 dBV Line and decoder outputs (LINEL, LINER, DECL, DECR; pins 15, 16, 18 and 19) Vo −9 −8 −7 dBV LOH = 1 (+1 dB output signal) −8 −7 −6 dBV note 1 7 8 − dBV note 1; VCCH = 1; VCC = 12 V output voltage Vo(max) maximum output voltage 10 11 − dBV THD total harmonic distortion − 0.01 0.1 % αcb channel balance −1 0 +1 dB Vn noise level − −94 −90 dBV Ro output impedance − 100 150 Ω αmute volume mute VLS to VL0 and VRS to VR0 = mute − −95 −70 dB output mute OSN, OSR and OSL = mute − −85 −70 dB 1997 Jun 16 TUN = −∞ dBV; note 2 23 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi SYMBOL TDA9615H PARAMETER CONDITIONS MIN. TYP. −83 MAX. −70 UNIT αct(ch) crosstalk between channels channel crosstalk TUNL or TUNR = −∞ dBV − αct(ch)(i) crosstalk between input channels note 3 − −93 − dB Io(max) output current limiting MUTE = 1; power mute − +1 − mA Io discharge output current STBP = 1; passive standby − −1 − mA dB Linear audio output (LINOUT; pin 20) Vo output voltage −9 −8 −7 dBV Ro output impedance − 200 300 Ω −9 −8 −7 dBV −4.5 −3 −1.5 dBV RF converter output (RFCOUT; pin 12) Vo output voltage output voltage at high level THD TUN = +8 dBV − 0.03 − % TUN = up to +8 dBV − <0.2 − % TUN = −∞ dBV; note 2 − −80 − dBV − 200 300 Ω total harmonic distortion Vn noise level Ro output impedance Io(max) output current limiting MUTE = 1; power mute − +1 − mA Io discharge output current STBP = 1; passive standby − −1 − mA 50 100 − kΩ − 15 − Ω Power mute outputs (MUTEC, MUTEL, MUTER; pins 13, 14 and 17) Ro output impedance MUTE = 1; DC load = ±1 mA Envelope output (ENVOUT; pin 39); audio peak envelope Vo output voltage 1.69 1.8 1.91 V output voltage at zero level TUN = −∞ dBV − − 0.3 V output voltage at zero level; maximum volume TUN = −∞ dBV; volume = +15 dB − − 0.35 V output voltage at high level TUN = +8 dBV 4.0 4.5 5.0 V αcb channel balance −0.11 0 +0.11 V Ro output impedance − 1 1.5 kΩ Notes 1. THD = 1%; output load: RL = 5 kΩ; CL = 2.2 nF; volume = +3 dB (12 V); TUN level varied. 2. Typical value: B = 20 Hz to 20 kHz, ‘unweighted’; production testing: B = 300 Hz to 20 kHz, ‘unweighted’. 3. Crosstalk of any line input pair (TUN, CIN, EXT1, EXT2, AUX or SAP) to any other line input. 1997 Jun 16 24 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H Record mode For test modes see Table 38. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Noise reduction (test 25: LINEL and LINER; pins 15 and 16) THD total harmonic distortion at high level; TUN = +8 dBV − 0.1 0.3 % − 0.2 1 % αcb channel balance −1 0 +1 dB αlin linearity TUN = −8 to −68 dBV −31.5 −30.2 −28.5 dB high-level linearity TUN = −8 to +8 dBV 7.5 8 8.5 dB αn noise level with respect to output signal TUN = −8 to = −∞ dBV; note 1 − −46 −41 dB tatt attack time − 5 − ms trec recovery time in accordance with VHS specification − 70 − ms fres frequency response 300 Hz TUN = 1 kHz to 300 Hz −0.7 −0.2 +0.3 dB frequency response 10 kHz TUN = 1 kHz to 10 kHz 3.1 3.9 4.7 dB audio low-pass filter response 20 kHz TUN = 1 kHz to 20 kHz; test 26 −0.5 −0.1 +0.5 dB audio low-pass filter response 60 kHz TUN = 1 kHz to 60 kHz; test 26 − −24 −12 dB ∆f = 50 kHz − 0.1 0.2 % FM modulator (test 25, test 26 and no test: FMOUT; pin 36) THD total harmonic distortion ∆f(max) maximum FM frequency deviation 140 150 160 kHz fc(error) carrier frequency error after calibration −5 0 +5 kHz ∆fc(l-r) carrier frequency difference between left and right channel fc(r) − fc(l) after NTSC calibration 399.2 401.2 403.2 kHz ∆fc carrier frequency shift NTSC/PAL system switching TC temperature coefficient 97 100 103 kHz − ±50 − ppm/K 44.5 50 56.1 kHz 53 60 68 mV mV Noise reduction and FM modulator (FMOUT; pin 36) ∆f FM deviation HF output (FMOUT; pin 36) Vo(rms) output voltage left carrier 1st harmonic (RMS value) output voltage right carrier 1st harmonic (RMS value) Vo(l)/Vo(r) output voltage ratio between left and right carrier D3H distortion (3rd harmonic) Ro output impedance 3rd harmonic/1st harmonic 160 180 202 2.7 3.0 3.3 − −28 −18 dB − 100 150 Ω Note 1. Typical value: B = 20 Hz to 20 kHz, ‘unweighted’; production testing: B = 300 Hz to 20 kHz, ‘unweighted’. 1997 Jun 16 25 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H Playback mode VFMIN(rms) = 30 mV (RMS value); ∆f = 50 kHz; fmod = 1 kHz; f = f0; VCC = 12 V; Tamb = 25 °C; bit NTSC set to logic 1 or logic 0; measured in application diagram of Fig.6; unless otherwise specified. For test modes see Table 38. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT FMIN; pin 37 and HF AGC (test 5 and test 6: FMOUT; pin 36) Vi(p-p) B input voltage level (peak-to-peak value) left plus right channel; note 1 − 0.17 2 V AGC start level (at pin 37) left plus right channel 59 84 118 mV control bandwidth note 2 − 10 − kHz 105 150 215 mV − −30 −20 dB −9 −6 − dB −9 −5 − dB − −17 −12 dB − −12 −9 dB Left channel band-pass filter (test 3: FMOUT; pin 36) Vo band-pass filter output voltage f = f0; VFMIN(rms) = 30 mV (RMS value) Vo1/Vo band-pass filter output voltage ratio f 0 – 400 kHz -------------------------------f0 Vo2/Vo f 0 – 150 kHz -------------------------------f0 Vo3/Vo f 0 + 150 kHz -------------------------------f0 Vo4/Vo f 0 + 250 kHz --------------------------------f0 Vo5/Vo f 0 + 250 kHz --------------------------------f 0 + 150 kHz Vo6/Vo f 0 + 400 kHz --------------------------------f0 − − −30 dB f0 − 150 kHz to f0 + 150 kHz − <0.5 − µs Rd(g) 1997 Jun 16 group delay ripple 26 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi SYMBOL TDA9615H PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Right channel band-pass filter (test 4: FMOUT; pin 36) Vo band-pass filter output voltage f = f0; VFMIN(rms) = 30 mV (RMS value) 105 150 215 mV Vo1/Vo band-pass filter output voltage ratio f 0 – 400 kHz -------------------------------f0 − − −30 dB − −17 −10 dB −9 −5 − dB − −12 −9 dB −9 −6 − dB − −30 −20 dB f0 − 150 kHz to f0 + 150 kHz − <0.5 − µs Vo2/Vo f 0 – 250 kHz -------------------------------f0 Vo3/Vo f 0 – 150 kHz -------------------------------f0 Vo4/Vo f 0 – 250 kHz -------------------------------f 0 – 150 kHz Vo5/Vo f 0 + 150 kHz -------------------------------f0 Vo6/Vo f 0 + 400 kHz --------------------------------f0 Rd(g) group delay ripple Hi-fi detector and dropout cancelling Vi(A) AUTN activation level left channel carrier at FMIN (RMS value) 3.0 4.2 5.8 mV Vi(D)/Vi(A) DOC level with respect to AUTN level left channel carrier at FMIN −7 −4 −2 dB td(A) AUTN activation delay carrier to no carrier at FMIN 200 300 500 µs td(D) DOC switch-off delay no carrier to carrier at FMIN 5 9 14 µs 5 6 7 µs SHH = 1 7 8 9 µs note 3 − − −73 dB − 0.3 − µs FMIN = 2 mV (RMS value); left channel 0.6 0.9 1.2 V FMIN = 20 mV (RMS value); left channel 2.5 2.9 3.3 V FMIN = 200 mV (RMS value); left channel 4.2 4.7 5.0 V Head switching noise suppressor (test 25: LINEL and LINER; pins 15 and 16) th hold pulse length THD total harmonic distortion (audio signal) td delay from HID to hold Envelope output (ENVOUT; pin 39) Vo 1997 Jun 16 output voltage 27 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi SYMBOL PARAMETER TDA9615H CONDITIONS MIN. TYP. MAX. UNIT PLL FM demodulator (test 25: LINEL and LINER; pins 15 and 16) Vi sensitivity ∆f = 150 kHz; S/N = 35 dB − 0.3 1.2 mV THD total harmonic distortion ∆f = 50 kHz − 0.03 0.3 % total harmonic distortion at maximum ∆f = 150 kHz − 0.2 1.5 % S/N signal to noise ratio ∆f = 50 to 0 kHz 54 60 − dB αct(ch) channel crosstalk left or right carrier ∆f = 0 kHz − −80 − dB Noise reduction (test 26: LINEL and LINER; pins 15 and 16) Vn noise level TUN = −∞ dBV; note 4 − −96 −90 dBV THD total harmonic distortion TUN = −3.5 dBV − 0.05 0.2 % αl linearity TUN = −3.5 to −33.5 dBV 58 59.6 62 dB fres frequency response 300 Hz TUN = 1 kHz to 300 Hz −0.6 +0.4 +1.4 dB frequency response 10 kHz TUN = 1 kHz to 10 kHz −9.2 −7.7 −6.2 dB FM demodulator and noise reduction (LINEL and LINER; pins 15 and 16) Vo output voltage −10 −8 −6 dBV αcb channel balance −1.5 0 +1.5 dB Notes 1. Signals below maximum input level are handled without internal clipping. Higher input levels however can still be handled properly by the demodulators. Typical input level equals two carriers of 30 mV (RMS value). 2. Single carrier signal at FMIN of 75 mV (RMS value) and amplitude modulated. Control bandwidth is the modulation frequency at which the amplitude modulation is attenuated 3 dB by the HF AGC. 3. Sample-and-hold audio distortion is measured using 500 Hz at HID input (pin 40). FMIN: fmod = 10 kHz; ∆f = 50 kHz. Audio distortion is measured using a 3 kHz 4th order low-pass filter. Value is corrected with 24 dB in order to calculate equivalent distortion at 30 Hz HID input. 4. Typical value: B = 20 Hz to 20 kHz, unweighted; production testing: B = 300 Hz to 20 kHz, unweighted. 1997 Jun 16 28 1997 Jun 16 29 220 nF (11×) 10 nF 10 9 8 7 6 5 4 3 2 1 44 36 37 + M = mute + SAP + HF HF LIMITER HF normal select M 10 µF volume right M M volume left 1.7 or 1.8 MHz E2L E2R dub N carrier ratio TUL TUR input select + I2C-bus data and control signals E2R E2L E1R E1L TUR TUL SAP M 1.3 or 1.4 MHz HF LIMITER LEVEL DETECTOR normal input level R L M dub PEAK HOLD 27 audio audio DCR DCL + SUPPLY 43 38 mute E2R E2L TUR E1R SAP TUL E1L SAP 3.3 MΩ DETECTOR RECTIFIER CCA DETECTOR 28 39 kΩ (2%) 10 µF RF-converter mute 11 M AUTO-MUTE line select M 13 12 17 16 14 15 19 18 30 31 32 33 34 26 25 24 23 22 MGK472 decoder select +1 dB 12 V WEIGHTING AND FM DE-EMPHASIS noise reduction WEIGHTING AND FM DE-EMPHASIS CCA 29 2.2 µF RECTIFIER 10 nF noise reduction standby mode 35 10 nF 9 or 12 V 47 µF TDA9615H PEAK HOLD + + output select envelope output select + record N R L 42 I2C-BUS INTERFACE 41 SCL Fig.6 Application diagram. AUDIO CLIPPER SAMPLEAND-HOLD HID AUDIO CLIPPER SAMPLEAND-HOLD HID DROPOUT CANCELING HI-FI DETECTOR M 220 nF 21 linear audio 20 + PLL CCO (1.7 or 1.8 MHz) PLL CCO (1.3 or 1.4 MHz) 39 SDA 10 µF R2 47 µF 100 nF 10 µF R2 47 µF 100 nF 10 µF 10 µF 10 µF 10 µF 10 µF R1 R1 5.6 kΩ 3.3 nF 5.6 kΩ 3.3 nF RFC line to decoder C1 68 kΩ (1) C1 68 kΩ Audio processor for VHS hi-fi (1) Different standard audio levels can be selected by changing the component values of R1, R2 and C1; see Table 36. aux ext2 ext1 cinch from tuner SAP FMOUT FMIN 10 nF DCL DCR envelope output select + playback AF/HF envelope andbook, full pagewidth HID 40 HID Philips Semiconductors Preliminary specification TDA9615H APPLICATION AND TEST INFORMATION Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H approximately 401.2 kHz. This value effectively reduces the crosstalk from hi-fi carriers to the video colour signal as present during ‘playback’ mode using Extended Play (EP) tape speed. Automatic calibration; see Fig.7 By means of bit CALS (power byte) the integrated auto-calibration system is activated. By adjusting the carrier frequencies, band-pass filters and noise reduction filters auto-calibration ensures that the hi-fi processing always is in accordance with the VHS hi-fi system standard. Calibration is only needed after start-up of the video recorder; as long as the supply voltage (pin 35) is available calibration settings remain stable. NTSC calibration uses the standard 29.97 Hz (i.e. 16.683 ms) HID signal where PAL calibration uses the standard 25 Hz (i.e. 20 ms) HID signal. The maximum frequency error after auto-calibration is ±5 kHz assuming a HID HIGH-time error of maximum 5 µs. To realize NTSC EP optimization within ±2 kHz, HID jitter should not exceed 1 µs. In general the crystal based HID signal available in the video recorder can be used without modification. Auto-calibration is performed with the device in hi-fi ‘loop-through’ mode, no standby or test mode should be active (auto-calibration demands bit settings AFM = 1, STBP = 0, STBA = 0 and TEST = 0). After setting bit CALS (power byte) to logic 1 auto-calibration is started. Calibration is performed fully automatically, using the HID input signal as a reference. After calibration of the oscillators, the band-pass filters are calibrated together with the integrated ‘weighting’ and ‘FM de-emphasis’ filter of the noise reduction. The total auto-calibration time needed is 17 HID cycles or less. End of calibration is signalled by bit CALR of the read byte. Calibration of the oscillator frequencies is performed by measuring the number of oscillator cycles within one HID HIGH period and comparing this with an internal value stored in ROM. Four different ROM values are available for NTSC or PAL (SECAM) system calibration of both the left and right channel carrier. The envelope output can also be used to monitor calibration; for this purpose ENVOUT (pin 39) is forced >2.5 V during calibration. The audio signal to the audio envelope (level meter) function should be muted; otherwise the audio envelope output may be >2.5 V as well making it impossible to detect end of calibration via the ENVOUT pin. In case of NTSC calibration a special routine is active for the right channel carrier calibration resulting in a frequency difference between the left and right channel carrier of handbook, full pagewidth I2C-bus write (CALS) pin 40 logic 0 logic 1 (HID) left channel oscillator right channel oscillator band-pass and noise reduction filters logic 0 I2C-bus read (CALR) pin 39 (ENVOUT) 3V 4V logic 1 5V calibration ready Fig.7 Example of automatic calibration flow. 1997 Jun 16 30 MGK477 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H After a calibration in ‘NTSC’ or ‘PAL’ mode the oscillators and band-pass filters can be switched between NTSC and PAL system frequencies without the need for additional calibration. Switching between these system modes is executed immediately and can be done in any operational mode. Frequency accuracy of switching is 100 kHz ±3 kHz for both carriers. For ‘record’ mode however it is advised to use re-calibration after system switching; this to obtain the best possible frequency accuracy. A new auto-calibration can be started by first resetting bit CALS to logic 0 followed by setting bit CALS to logic 1 again. carrier level (e.g. auto-tracking). At the microcontroller only one A/D converter input is needed for reading of all necessary information. During ‘playback’ mode I2C-bus bit EOS offers selection between audio or carrier level information. Audio level information is always output during ‘loop-through’ mode and ‘record’ mode however now EOS offers a fixed selection of hi-fi stereo (i.e. independent of the ‘Output Select’ mode setting); helpful when audio level information is used by the microcontroller for controlling the hi-fi record volume. Envelope output; see Figs 8 to 11 ENVOUT (pin 39) is an analog output for stereo audio level (e.g. level meter display) and for ‘playback’ mode FM Table 35 Envelope output select AFM 0 (playback mode) EOS 0 ENVELOPE OUTPUT FUNCTIONAL USE AF envelope of output select level meter display 0 (playback mode) 1 HF envelope auto-tracking or manual tracking display 1 (record mode/ loop-through mode) 0 AF envelope of output select level meter display 1 (record mode/ loop-through mode) 1 AF envelope of hi-fi stereo record volume control (and level display) Audio envelope uses time multiplexing to output both left and right channel audio level. A peak hold function and dynamic range compression (square root function) are included for easy read-out. The peak hold function as well as left and right channel multiplexing is controlled by the HID input signal (pin 40). 1997 Jun 16 The HF envelope output signal is continuous and derived from the left channel carrier. HF envelope shows a logarithmic characteristic. 31 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi handbook, full pagewidth I2C-bus registers TDA9615H EOS = 0 or AFM = 1 EOS = 1 and AFM = 0 HID input 0 HID period 1 peak right in period -1 2 peak right in period 1 peak right in period 0 envelope out peak left in period 1 peak left in period 0 HF envelope 3 peak right in period 2 peak left in period 2 peak left in period 3 MGK478 Fig.8 Timing diagram of envelope output signal. HID (pin 40) handbook, full pagewidth left channel audio: output select hi-fi right channel audio: output select hi-fi FULL WAVE RECTIFIER SQUARE ROOT COMPRESSION FULL WAVE RECTIFIER SQUARE ROOT COMPRESSION RESET PEAK HOLD RESET PEAK HOLD SAMPLE SAMPLEAND-HOLD SAMPLE SAMPLEAND-HOLD HF envelope EOS • AFM 1.3/1.4 MHz carrier ENVOUT (pin 39) AF envelope EOS • AFM HF LEVEL DETECTOR MGK480 Fig.9 Functional diagram of envelope output circuit. 1997 Jun 16 32 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H MGK481 5 handbook, halfpage ENVOUT output voltage 4 (V) 3 2 1 0 −40 −30 −20 −10 0 10 LINE output level (dBV) LOH = 0. Fig.10 Envelope output; AF envelope (audio peak level). MGK482 5 handbook, halfpage ENVOUT output voltage 4 (V) 3 2 1 0 10−1 1 10 102 103 FMOUT left channel carrier amplitude (RMS value) (V) NTSC (1.3 MHz) or PAL (1.4 MHz). Fig.11 Envelope output; HF envelope (playback carrier level). 1997 Jun 16 33 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H After the output DC voltage is settled the power mute function can be deactivated by selecting MUTE = 0. Now the mute switches are opened showing a high impedance of 100 kΩ to ground and output current limiting is deactivated. Note that the time needed for output DC settling is proportional to the output capacitor value used; with a 10 µF capacitor a safe mute time to use is 200 ms (i.e. tmute = C × 20000). Using such controlled muting very good performance is achieved for power-up, power-down and ‘passive standby’ mode switching. Power mute; see Fig.12 Without countermeasures switching of the power supply voltage (VCC; pin 35) or use of the built-in ‘passive standby’ mode causes strong disturbances on the output pins because of the rise or drop of the output’s DC voltages. The TDA9615H includes three integrated mute switches to block such disturbances and avoiding the need of an external mute circuit. By connecting the power mute switches behind the line and RFC output capacitors pop-free line and RFC output signals are realized. At a sudden supply power loss however (e.g. mains power plug pulled) there may be no time to activate the power mute function via the I2C-bus. A power-down detector however instantly activates the power mute function in case the supply voltage falls below 7 V (auto-mute). For proper muting supply voltage drop rate should not exceed 1 V/10 ms. Power muting is active when control byte bit MUTE = 1. Because this also is the POR default state, muting is automatically activated when the power supply voltage is switched on. The integrated mute switches (MUTEC, MUTEL and MUTER; pins 13, 14 and 17) are closed, forming a low impedance path to ground. Furthermore the line and RFC outputs (RFCOUT, LINEL and LINER; pins 12, 15 and 16) are current limited to 1 mA to achieve good attenuation without the need for a series resistor between output and mute switch. Although the decoder outputs (DECL and DECR; pins 18 and 19) have no integrated muting these are current limited also for use with the integrated mute switches or to assist possible external muting. handbook, full pagewidth VCC auto-mute (VCC < 7 V) bit MUTE (1) (1) bit STBP pins 12, 15 and 16 output signal with power mute pins 13, 14 and 17 power off active operation tmute passive standby tmute active operation tmute power off (standby) tmute active operation tmute (1) POR. Fig.12 Example of power mute control and auto-mute function. 1997 Jun 16 34 auto-mute power off MGK476 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H The external resistor should have the following dimensions: value = 39.0 kΩ ±2%; temperature coefficient = ±50 ppm/K. Do not set MUTE and change STBP at the same time; to avoid output glitches power muting should precede the switching of ‘passive standby’ mode. Power muting takes up approximately 4 mA supply current, so to realize the minimum power consumption of ‘passive standby’ mode muting has to be deactivated. Note also the use of ‘passive standby’ mode to initiate a controlled power-off switching. Standard hi-fi audio level Using the application circuit as proposed in Fig.6, the standard FM deviation of 50 kHz equals a 1 kHz audio signal of −8 dBV line output level (LOH = 0). A different standard audio level can be selected by changing the external filter components of the noise reduction at pins 24 and 32 (EMPHL and EMPHR); standard audio level changes proportional to the impedance of the external de-emphasis filter; see Table 36. Iref resistor The external resistor at pin 28 defines internal reference currents and determines temperature stability of the circuits adjusted by the auto-calibration function. Table 36 Standard audio levels; see application diagram of Fig.6 COMPONENT VALUES R1 (kΩ) R2 (kΩ) C1 (nF) LINE OUTPUT LEVEL FOR 50 kHz FM DEVIATION (EQUIVALENT TO 1 kHz AUDIO SIGNAL) (dBV) 91 7.5 2.4 −5.6 82 6.8 2.7 −6.4 75 6.2 3.0 −7.1 68 5.6 3.3 −8.0 62 5.1 3.6 −8.8 56 4.7 3.9 −9.8 51 4.3 4.3 −10.6 RFC AGC; see Fig.13 To avoid over modulation in the RF converter unit connected to RFCOUT (pin 12) an AGC function is incorporated, limiting the maximum signal level at pin RFCOUT to −3 dBV. MGK479 handbook, halfpage RFC output (dBV) −3 −3 line output (dBV) Fig.13 RF converter output AGC. 1997 Jun 16 35 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H The RFC output can be muted by setting of bit RFCM = 1. When applying this mute the AGC control is reset by discharging the capacitor at pin 11 (RFCAGC). INPUT MIX A new, complete, recording is made on the linear audio track; afterwards ‘playback’ mode uses linear audio sound only. This way hi-fi stereo quality is lost but there is total freedom in defining the new material. Furthermore this way ‘playback’ mode is no longer restricted to hi-fi video recorders with output mix option. Audio dubbing TDA9615H includes unparalleled functionality supporting the audio dubbing function of hi-fi video recorders. Audio dubbing is a feature mode for recording of new sound material on the linear audio track (i.e. normal sound) of an existing recording. Audio dubbing can be used in two different ways. Selection ‘Dub Mix’ mode of the input select function, when combined with selection ‘Volume’ mode of the normal select function, changes the circuit into a mixing desk. A new linear audio recording can be created mixing together new and original sound. By use of the left and right channel volume controls continuous control is offered over amplitude and ratio mix of the AUX input signal (e.g. a microphone input) and the original hi-fi ‘playback’ mode sound. OUTPUT MIX A new, partly, recording is made on the linear audio track; afterwards during ‘playback’ mode the new linear audio and the original hi-fi sound are combined. This way hi-fi stereo quality remains and linear audio is only partly used e.g. for speech only (commentary track). However there is no control over the original (hi-fi) sound. This functionality is realized by internal connection of the AUX input pair to the left channel volume control and by internal connection of the hi-fi output signal pair to the right channel volume control. For output and hi-fi selection the ‘Dub Mix’ mode uses, and partly overrules, the output select function settings. Output select function modes ‘Mix-Left’, ‘Mix-Right’ and ‘Mix-Stereo’ make the normal sound available at the line outputs for monitoring of the ‘Dub Mix’ mode recording. ‘Playback’ mode mixing of hi-fi and normal sound is supported by the output select function modes ‘Mix-Left’, ‘Mix-Right’ and ‘Mix-Stereo’ (OSN, OSR and OSL of the output byte) creating a fixed output signal of 1⁄ hi-fi left + 1⁄ normal. 2 2 Table 37 Input select function is set to ‘Dub Mix’ mode (IS2, IS1, IS0 = 101); note 1 OUTPUT SELECT MODE DUB MIX INPUT SELECTION DUB MIX OUTPUT SELECTION LEFT CHANNEL RIGHT CHANNEL OSN OSR OSL Mute 0 0 0 mute aux stereo mute Left Right Stereo 0 0 0 0 1 1 1 0 1 hi-fi left hi-fi right stereo aux stereo aux stereo aux stereo hi-fi left hi-fi right stereo Normal Mix-Left Mix-Right Mix-Stereo 1 1 1 1 0 0 1 1 0 1 0 1 normal normal normal normal aux stereo aux stereo aux stereo aux stereo normal hi-fi left hi-fi right hi-fi stereo Note 1. Modes shown in bold are the most used modes. Output select function mode ‘Mix-Stereo’ is the setting generally used for audio dubbing. In combination with setting the normal select function to ‘Volume’ mode user control over amplitude and ratio is offered for the AUX and hi-fi signal as follows: (1⁄4AUXL + 1⁄4AUXR) × volume left + (1⁄4hi-fi left + 1⁄4hi-fi right) × volume right. 1997 Jun 16 Switching hi-fi to a mode other than ‘playback’ or selection of output select function mode ‘Normal’ should be avoided; using these settings a signal loop can be closed from output to input possibly leading to audio oscillation. For the same reason auto-normal switching is not active during ‘Dub Mix’ mode; in case no hi-fi input signal is detected the hi-fi sound is muted. 36 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H Test modes; see Table 38 Special test modes are implemented for testing and evaluation purposes. These test modes are available via the power byte TEST bit and selection is enabled via bits of the select byte. Table 38 Test modes for evaluation purposes TEST s4 NIL3 NIL2 NIL1 NIL0 0 X(1) X(1) X(1) X(1) X(1) 1 0 0 0 0 1 1 0 0 0 1 0 1 0 0 0 1 1 1 0 0 1 0 0 1 0 0 1 0 1 1 0 0 1 1 0 1 1 100111 to 111000 1 0 0 1 1 1 1 1 0 0 DESCRIPTION standard operation test 1: left channel FM carrier only (1.3 or 1.4 MHz); record mode test 2: right channel FM carrier only (1.7 or 1.8 MHz); record mode test 3: left channel band-pass filter, HF AGC off; playback mode (test output = FMOUT) test 4: right channel band-pass filter, HF AGC off; playback mode (test output = FMOUT) test 5: HF AGC (via left channel band-pass filter); playback mode (test output = FMOUT) test 6: HF AGC (via right channel band-pass filter); playback mode (test output = FMOUT) product testing; not for evaluation; note 2 test 25 (note 3) a: left channel FM modulator (left carrier only); record mode (test input = line in left) b: left and right channel noise reduction (compressor); record mode (test output = line out) c: left and right channel FM demodulator; playback mode (test output = line out) test 26 (note 3) a: right channel FM modulator (right carrier only); record mode (test input = line in right) b: left and right channel audio low-pass filter; record mode (test input = line in, test output = line out) c: left and right channel noise reduction (expander); playback mode (test input = line in); note 4 Notes 1. X = don’t care. 2. Calibration may be lost when selecting product testing modes. 3. Audio output level for tests 25b and 25c (test output = line out) is typical −6.5 dBV (with input = −8 dBV or FM deviation = 50 kHz; LOH = 0). Audio input level for tests 25a, 26a and 26c (test input = line in) is typical −6.5 dBV (for output = −8 dBV or FM deviation = 50 kHz; hi-fi volume = −3 dB). The test outputs and test inputs used for tests 25 and 26 directly connect to internal signal lines. Signals found here are not compensated for temperature or tolerance spread, level measurements therefore can be used relative only. Absolute values are no indication of overall performance. 4. Test 26c (expander test) requires the auto-normal function to be deactivated (i.e. carrier available at FMIN pin). 1997 Jun 16 37 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H PACKAGE OUTLINE QFP44: plastic quad flat package; 44 leads (lead length 1.3 mm); body 10 x 10 x 1.75 mm SOT307-2 c y X A 33 23 34 22 ZE e Q E HE A A2 wM (A 3) A1 θ bp Lp pin 1 index L 12 44 1 detail X 11 wM bp e ZD v M A D B HD v M B 0 2.5 5 mm scale DIMENSIONS (mm are the original dimensions) UNIT A max. A1 A2 A3 bp c D (1) E (1) e HD HE L Lp Q v w y mm 2.10 0.25 0.05 1.85 1.65 0.25 0.40 0.20 0.25 0.14 10.1 9.9 10.1 9.9 0.8 12.9 12.3 12.9 12.3 1.3 0.95 0.55 0.85 0.75 0.15 0.15 0.1 Z D (1) Z E (1) 1.2 0.8 1.2 0.8 θ Note 1. Plastic or metal protrusions of 0.25 mm maximum per side are not included. OUTLINE VERSION REFERENCES IEC JEDEC EIAJ ISSUE DATE 92-11-17 95-02-04 SOT307-2 1997 Jun 16 EUROPEAN PROJECTION 38 o 10 0o Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H SOLDERING Wave soldering Introduction Wave soldering is not recommended for QFP packages. This is because of the likelihood of solder bridging due to closely-spaced leads and the possibility of incomplete solder penetration in multi-lead devices. There is no soldering method that is ideal for all IC packages. Wave soldering is often preferred when through-hole and surface mounted components are mixed on one printed-circuit board. However, wave soldering is not always suitable for surface mounted ICs, or for printed-circuits with high population densities. In these situations reflow soldering is often used. If wave soldering cannot be avoided, the following conditions must be observed: • A double-wave (a turbulent wave with high upward pressure followed by a smooth laminar wave) soldering technique should be used. This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in our “IC Package Databook” (order code 9398 652 90011). • The footprint must be at an angle of 45° to the board direction and must incorporate solder thieves downstream and at the side corners. Reflow soldering Even with these conditions, do not consider wave soldering the following packages: QFP52 (SOT379-1), QFP100 (SOT317-1), QFP100 (SOT317-2), QFP100 (SOT382-1) or QFP160 (SOT322-1). Reflow soldering techniques are suitable for all QFP packages. The choice of heating method may be influenced by larger plastic QFP packages (44 leads, or more). If infrared or vapour phase heating is used and the large packages are not absolutely dry (less than 0.1% moisture content by weight), vaporization of the small amount of moisture in them can cause cracking of the plastic body. For more information, refer to the Drypack chapter in our “Quality Reference Handbook” (order code 9397 750 00192). During placement and before soldering, the package must be fixed with a droplet of adhesive. The adhesive can be applied by screen printing, pin transfer or syringe dispensing. The package can be soldered after the adhesive is cured. Maximum permissible solder temperature is 260 °C, and maximum duration of package immersion in solder is 10 seconds, if cooled to less than 150 °C within 6 seconds. Typical dwell time is 4 seconds at 250 °C. Reflow soldering requires solder paste (a suspension of fine solder particles, flux and binding agent) to be applied to the printed-circuit board by screen printing, stencilling or pressure-syringe dispensing before package placement. A mildly-activated flux will eliminate the need for removal of corrosive residues in most applications. Several techniques exist for reflowing; for example, thermal conduction by heated belt. Dwell times vary between 50 and 300 seconds depending on heating method. Typical reflow temperatures range from 215 to 250 °C. Repairing soldered joints Fix the component by first soldering two diagonallyopposite end leads. Use only a low voltage soldering iron (less than 24 V) applied to the flat part of the lead. Contact time must be limited to 10 seconds at up to 300 °C. When using a dedicated tool, all other leads can be soldered in one operation within 2 to 5 seconds between 270 and 320 °C. Preheating is necessary to dry the paste and evaporate the binding agent. Preheating duration: 45 minutes at 45 °C. 1997 Jun 16 39 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H DEFINITIONS Data sheet status Objective specification This data sheet contains target or goal specifications for product development. Preliminary specification This data sheet contains preliminary data; supplementary data may be published later. Product specification This data sheet contains final product specifications. Limiting values Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information Where application information is given, it is advisory and does not form part of the specification. LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. PURCHASE OF PHILIPS I2C COMPONENTS Purchase of Philips I2C components conveys a license under the Philips’ I2C patent to use the components in the I2C system provided the system conforms to the I2C specification defined by Philips. This specification can be ordered using the code 9398 393 40011. 1997 Jun 16 40 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H NOTES 1997 Jun 16 41 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H NOTES 1997 Jun 16 42 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi TDA9615H NOTES 1997 Jun 16 43 Philips Semiconductors – a worldwide company Argentina: see South America Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113, Tel. +61 2 9805 4455, Fax. +61 2 9805 4466 Austria: Computerstr. 6, A-1101 WIEN, P.O. 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The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights. Printed in The Netherlands 547047/1200/01/pp44 Date of release: 1997 Jun 16 Document order number: 9397 750 01744