R2S15900SP 2ch Electronic Volume with Surround REJ03F0126-0130 Rev.1.3 May 30, 2005 Description The R2S15900SP is an optimum audio signal processor IC for TV. It has a 5ch input selector, surround/pseudo stereo, tone control(2band), output gain control and 2ch master volume. It can control all of these functions with I2C bus. Features Function Features 0 to –84dB, –∞/ 1dB step Each channel is independence control. 5 input selector + MUTE Volume Input selector Rec output 2 Rec output Bass: –15dB to +15dB/ 1dB step Treble: –15dB to +15dB/ 1dB step Tone control Surround/ Pseudo stereo Surround <Low/ High> Pseudo Stereo Mode selector Output gain control Bypass/ Tone / Tone & Pseudo Stereo or Surround 0dB/ +4.5dB MCU interface I C-BUS control. 2 Recommended Operating Condition Supply voltage: VCC = 9.0V(typ) Application TV, Mini Stereo, etc. System Configuration VCC=9V REC L1 REC L2 (IN L4) (IN L5) Volume L Mode Selector LOUT IN L1 IN L2 IN L3 Tone Control (Bass / Treble) IN R1 IN R2 IN R3 Pseudo Stereo and Surround Output Gain Control Mode Selector Volume R ROUT I 2 C -BUS I/F REC R1 REC R2 (IN R4) (IN R5) Rev.1.3 May 30, 2005 page 1 of 8 SCL SDA Output Gain Control R2S15900SP Block Diagram and Pin Configuration 1 28 VCC INL1 2 27 INR1 INL2 3 26 INR2 INL3 4 25 INR3 24 RECR1 (INR4) RECL2 6 (INL5) 23 RECR2 (INR5) 7 22 TRER 21 BASSR1 20 BASSR2 19 ROUT 18 SCL 17 SDA 16 Rext 15 Cext + Input Selector Input Selector -2dB -2dB Tone Control Bass/ Treble BASSL1 8 Rch Volume 0 to -84dB,- ∞ Lch Volume 0 to -84dB,- ∞ RECL1 5 (INL4) TREL REF - Tone Control Bass/ Treble REFIN Pseudo Stereo BASSL2 9 and Surround PSEUDO 10 LOUT 11 GND 12 Output Gain Control - Mode Selector + + - Mode Selector Output Gain Control 2 I C-BUS I/F NC 13 De - pop NC 14 (Top view) Rev.1.3 May 30, 2005 page 2 of 8 R2S15900SP Application Example VCC=9V 1µF 1µF + 1 28 REF 1µF + + 2 INL1 1µF + - Input Selector Input Selector 1µF 3 26 -2dB INR2 -2dB 1µF + + 4 INL3 25 4.7µF + RECL1 (INL4) INR1 + + INL2 1µF 27 1µF Rch Volume Lch Volume 0 to -84dB,- ∞ 5 INR3 0 to -84dB,- ∞ + 24 1µF 4.7µF + + RECL2 (INL5) 6 23 7 22 8200 pF 8 Pseudo Stereo 9 0.068µF Tone Control Bass/ Treble 8.2kΩ - 11 Output Gain Control + - * 0.068µF 4.7µF Mode Selector Mode Selector 330Ω 8.2kΩ Surround 10 + 0.068µF 21 20 and 0.015µF LOUT Output Gain Control + 19 * 2 I C-BUS I/F 18 SCL 16 13 14 MCU 17 10kΩ De -pop NC ROUT 330Ω SDA 12 + 47kΩ 47kΩ NC RECR2 (INR5) 8200 pF Tone Control Bass/ Treble 0.068µF 4.7µF RECR1 (INR4) 15 0.22 µF Note: *If the load C value is over 180pF, please attach 330Ω for series R (Load C value is under 180pF, series R is no need. ) Load C value is usually input capacitor of speaker. Rev.1.3 May 30, 2005 page 3 of 8 R2S15900SP Absolute Maximum Ratings Parameter Power supply Power dissipation Symbol VCC Pd Ratings Unit 10 V W Thermal derating K Operating temperature Topr –20 to +75 °C Storage temperature Tstg –40 to +125 °C Rev.1.3 May 30, 2005 page 4 of 8 mW/°C Condition Ta≤25°C Ta>25°C (Circuit board installation) R2S15900SP Electrical Characteristics (VCC=9V, Ta=25°C, Vi=100mVrms, f=1kHz, Tone control=0dB, Rg=0Ω, RL=47kΩ, unless otherwise noted) General Characteristics Parameter Symbol Min Limits Typ Max Unit Condition Operational power supply Supply current VCC ICC 5.0 — 9.0 15 9.7 25 V mA Reference voltage Input impedance Vref RIN 4.0 17 4.5 25 5.0 33 V kΩ Maximum input voltage Maximum output voltage VIM VOM 2.8 — 3.0 2.5 — — Vrms Vrms Rec output gain Output gain Gvrec Gvout — — –2.0 4.5 — — dB dB Rec out Output gain=4.5dB Volume maximum Volume minimum VOLmax VOLmin –2 — 0 –85 +2 –70 dB dB VOL=0dB VOL=Mute, Vi=1Vrms, IHF-A Channel balance CBAL –1.5 0 1.5 dB Total harmonic distortion THD — — 0.5 % VOL=0dB 400Hz to 30kHz BPF Vo=0.5Vrms Input selector cross talk Channel separation CT CS — — — — –70 –70 dB dB Output noise 1 Vno1 — –85 (56.2) dBV (µVrms) VOL=0dB,Output gain=0dB Tone=0dB,Surround ON, IHF-A Output noise 2 Vno2 — –90 (31.6) –103 (7) –97 (14) dBV (µVrms) VOL=Mute, Output gain=0dB Bypass, IHF-A Max Unit No signal No signal VOL=–20dB, THD=3% VOL=0dB, THD=1% Vi=1Vrms, IHF-A Vi=1Vrms, IHF-A, Tone Control Limits Parameter Tone control voltage gain (Boost/Bass) Tone control voltage gain (Cut/Bass) Tone control voltage gain (Flat/Bass) Tone control voltage gain (Boost/Treble) Tone control voltage gain (Cut/Treble) Tone control voltage gain (Flat/Treble) Symbol Min Typ Condition f = 100Hz Bass= + 15dB G (Bass) B +12.5 +15 +17.5 dB G (Bass) C –17.5 –15 –12.5 dB G (Bass) F –2 0 +2 dB G (Treble) B +12.5 +15 +17.5 dB G (Treble) C –17.5 –15 –12.5 dB G (Treble) F –2 0 +2 dB Symbol Min 0 Typ — Max 1.5 Unit V VCC=9V 3 — 5 100 V kHz VCC=9V f = 100Hz Bass = –15dB f = 100Hz Bass = 0dB f = 10kHz Tre = +15dB f = 10kHz Tre = –15dB f = 100Hz Tre = 0dB 2 I C BUS Interface Limits Parameter Low level input voltage VIL High level input voltage Maximum clock frequency VIH fSCL Rev.1.3 May 30, 2005 page 5 of 8 Condition R2S15900SP Function Description 1. Tone Control Circuit <1> Bass Circuit + - IN Boost R3 OUT fo = R2 Q~ = C1 R1 Cut IN OUT R2 fo = R3 Q~ = C1 R1 C2 ( Hz) 2 π R1(R2+R3 C1C2 1 C1+C2 Gv = 20 log C2 + - 1 2π C1C2R2 R1 R2+R3 +2 R1 R3 +2 R1 (R3=0) (dB) 1 R1(R2+R3 C1C2 1 C1+C2 C1C2R2 R1 (Hz) (R3=0) Gv = 20 log R3 +2 R1 R2+R3 +2 R1 Gv = 20 log R1+R2 R1 (dB) Gv = 20 log R1 R1+R2 (dB) (C1=C2) (dB) <2> Treble Circuit + - IN Boost R1 OUT R2 C IN Cut + - OUT R2 R1 C Rev.1.3 May 30, 2005 page 6 of 8 (C1=C2) R2S15900SP I2C Bus Format MSB LSB MSB LSB MSB LSB S Slave Address A Sub Address A Data A P 1 bit 8bit 1 bit 8bit 1 bit 8bit 1 bit 1bit S: Starting Term A: Acknowledge Bit P: Stop Term If more than one Data Byte is transmitted, then the significant SUB ADDRESS bits are auto incremented. 00H → 01H → 02H → 03H → 04H → 00H 1. Slave Address MSB LSB 1 0 0 0 0 0 1 R/W B R/W B = 0: Write mode for register setting R/W B = 1: Not available 2. Sub Address Table Sub Address BIT D7 00H D6 D5 Lch VOL<H> 01H Rch VOL<H> 02H D4 Input selector D3 D2 D1 Lch VOL<L> Rch VOL<L> Output Lch mute gain Rec output 03H Bass 04H Treble D0 Surround level 0 Rch mute Mode selector 0 0 Default values are all “0”. 3. Data Table <1> Master Volume Control (Sub Address: 00H, 01H) VOL ATT (dB) VOL<H> D7 D6 D5 D4 0 –10 0 0 0 0 0 0 0 1 –20 –30 0 0 0 0 1 1 –40 –50 0 0 1 1 –60 –70 0 0 –80 1 VOL ATT (dB) VOL<L> D3 D2 D1 D0 0 –1 0 0 0 0 0 0 0 1 0 1 –2 –3 0 0 0 0 1 1 0 1 0 0 0 1 –4 –5 0 0 1 1 0 0 0 1 1 1 1 1 0 1 –6 –7 0 0 1 1 1 1 0 1 0 0 0 –8 –9 1 1 0 0 0 0 0 1 Example: If the volume of the Lch is set to –28dB, the Data byte is transmitted as follows: Sub Address 00H BIT D7 0 D6 0 Rev.1.3 May 30, 2005 page 7 of 8 D5 1 D4 0 D3 1 D2 0 D1 0 D0 0 R2S15900SP <2> Input Selector (Sub Address: 02H) Input selector Input REC1 REC2 All OFF D7 0 D6 0 D5 0 D4 A D3 A IN1 IN2 0 0 0 1 1 0 A A A A IN3 IN4 0 1 1 0 1 0 A 1 A A A 1 IN5 1 0 1 If A=0 means REC1 or REC2 output ON, then A=1 means REC1 or REC2 output OFF. <3> Output Gain (Sub Address: 02H) <5> Surround Mode (Sub Address: 03H) Gain Output gain D2 Surround level Surround level D2 0dB +4.5dB 0 1 Low level High level 0 1 <4> Mute Function (Sub Address: 02H) <6> Mode Selector (Sub Address: 03H) Mute Lch D1 Rch D0 Mode Mode selector D1 D0 Mute ON Mute OFF 0 1 0 1 Bypass Tone 0 0 0 1 Tone & Pseudo stereo Tone & Surround 1 1 0 1 <7> Tone Control (Sub Address: 03H Bass, 04H Treble) Gain (dB) D6 Bass/ Treble D5 D4 D3 0 1 0 0 0 0 0 0 0 1 2 3 0 0 0 0 1 1 0 1 4 5 0 0 1 1 0 0 0 1 6 7 0 0 1 1 1 1 0 1 1 1 0 0 0 0 0 1 10 11 1 1 0 0 1 1 0 1 12 13 1 1 1 1 0 0 0 1 14 15 1 1 1 1 1 1 0 1 8 9 D7 A If A=0 means Tone control gain CUT(–), then A=1 means Tone control gain BOOST(+). 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