Preliminary R2S15903SP Sound Controller with Surround & AGC REJ03F0159-0140 Rev.1.4 Dec 06, 2005 Description The R2S15903SP is an optimum audio signal processor IC for TV. It has a 5ch input selector, AGC, surround/pseudo stereo, tone control(2band), output gain control and 2ch master volume. It can control all of these functions with I2C bus. Features • • • • • • • • • Volume: 0 to –89dB, –∞/ 1dB step. Each channel is independence control. 5 input selector + MUTE 2 Rec output (0/–2dB) Auto gain control (AGC level 4step) Tone control Bass: –15dB to +15dB/ 1dB step Treble: –15dB to +15dB/ 1dB step Surround <Low/ High>/ Pseudo stereo Mode selector: Bypass/ Tone / Tone & Pseudo Stereo or Surround Output gain control: 0dB/ +4.5dB I2C-BUS control 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) R2S15903SP Volume L Mode selector LOUT IN L1 IN L2 IN L3 Tone Control (Bass / Treble) AGC IN R1 IN R2 IN R3 Pseudo Stereo and Surround Output Gain Control Mode Selector Volume R ROUT Output Gain Control 2 I C-BUS I/F REC R1 REC R2 (IN R4) (IN R5) Rev.1.4 Dec 06, 2005 page 1 of 11 SCL SDA R2S15903SP Preliminary Block Diagram and Pin Configuration REFIN 1 INL1 2 INL2 3 INL3 4 + - 32 VCC REF Input Selector Input Selector 31 INR1 30 INR2 0/-2dB 0/-2dB 29 INR3 RECL1 5 (INL4) 28 RECR1 (INR4) RECL2 6 (INL5) 27 RECR2 (INR5) CAGC1 7 26 CAGC2 AGC 25 AGCROUT AGCLOUT 8 Lch Volume 0~-89dB,-∞ VOLINL Rch Volume 0~-89dB,- ∞ 24 VOLINR 9 23 TRER and BASSL2 12 Mode Selector + - Output Gain Control 20 ROUT Mode Selector Output Gain Control 19 GND Rext 15 18 SCL De-pop Cext 16 Rev.1.4 Dec 06, 2005 page 2 of 11 22 BASSR2 21 BASSR2 Surround LOUT 13 PSEUDO 14 Tone Control Bass/ Treble Pseudo Stereo + - BASSL2 11 Tone Control Bass/ Treble TREL 10 I 2 C-BUS I/F 17 SDA R2S15903SP Preliminary Application Example VCC=9V 1μF 1μF + 1 + INL1 1μF 1μF 1μF 31 + 30 + 4 29 + 5 28 + 6 27 + 7 26 + 3 Input Selector Input Selector 0/-2dB + INL3 32 REF 2 + INL2 + - 1μF + + AGC 8 + 2.2μF 25 Lch Volume 0~-89dB,- ∞ Tone Control Bass/ Treble 11 Pseudo Stereo and 12 22 13 + - Output Gain Control 20 Mode Selector + - 14 Mode Selector Output Gain Control ROUT 4.7μF 47kΩ 18 15 2 De-pop Rev.1.4 Dec 06, 2005 page 3 of 11 + SCL 10kΩ 0.22μF 0.068μF 19 0.015μF 16 0.068μF 8.2kΩ 21 Surround + 47kΩ 2.2μF 23 Tone Control Bass/ Treble 0.068μF 4.7μF + 8200pF 10 0.068μF 33μF 24 8200pF 8.2kΩ RECR2 (INR5) 1MΩ Rch Volume 0~-89dB,-∞ 9 LOUT RECR1 (INR4) 4.7μF 4.7μF 1μF INR3 4.7μF + RECL2 (INL5) INR2 1μF 0/-2dB 4.7μF RECL1 (INL4) INR1 I C-BUS I/F SDA 17 MCU R2S15903SP Preliminary Absolute Maximum Ratings Parameter Symbol Power supply Power dissipation VCC Pd Thermal derating K Operating temperature Storage temperature Ratings Unit 10 1.0 V W 10.0 mW/°C Topr –20 to +75 °C Tstg –40 to +125 °C Condition Ta≤25°C Ta>25°C (Circuit board installation) THERMAL DERATINGS (MAXIMUM RATING) POWER DISSIPATION pd (W) 1.25 1.0 0.75 0.5 0.25 0 0 25 50 75 100 AMBIENT TEMPERATURE Ta (°C) Rev.1.4 Dec 06, 2005 page 4 of 11 125 R2S15903SP Preliminary Electrical Characteristics (VCC=9V, Ta=25°C, Vi=100mVrms, f=1kHz, Bypass, AGC: off, Rg=0Ω, RL=47kΩ, unless otherwise noted) General Characteristics Parameter Symbol Min Limits Typ Max Unit Condition Operational power supply Supply current VCC ICC 8.0 — 9.0 25 9.7 35 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 — — 0/ –2.0 4.5 — — dB dB Rec out (0/ –2dB) Output gain=4.5dB Volume maximum Volume minimum VOLmax VOLmin –2 — 0 –85 +2 –70 dB dB VOL=0dB VOL=Mute, Vin=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 — –90 (31.6) –85 (56.2) dBV (µVrms) VOL=0dB,Output gain=0dB Tone=0dB,Surround ON, AGC: OFF, IHF-A Output noise 2 Vno2 — –103 (7) –97 (14) dBV (µVrms) VOL=Mute, Output gain=0dB Bypass, AGC: OFF, IHF-A No signal No signal VOL=–20dB, THD=3% VOL=0dB, THD=1% Vin=1Vrms, IHF-A Vin=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) Min Typ Max Unit 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 Rev.1.4 Dec 06, 2005 page 5 of 11 Condition f = 100Hz Bass= + 15dB f = 100Hz Bass = –15dB f = 100Hz Bass = 0dB f = 10kHz Tre = +15dB f = 10kHz Tre = –15dB f = 100Hz Tre = 0dB R2S15903SP Preliminary AGC Limits Parameter Symbol Min Typ Max Unit AGC Boost AGCBST 1.5 3.5 5.5 dB AGC FLAT1 AGCFLT1 –2.5 0.0 2.5 dB AGC FLAT2 AGCFLT2 –2.5 0.0 2.5 dB AGC FLAT3 AGCFLT3 –2.5 0.0 2.5 dB AGC FLAT4 AGCFLT4 –2.5 0.0 2.5 dB AGC CUT AGCCUT –14 –10 –6.0 dB Condition AGC level = 300mVrms Vin = 50mVrms, f = 1kHz AGC level = 300mVrms Vin = 300mVrms, f = 1kHz AGC level = 400mVrms Vin = 400mVrms, f = 1kHz AGC level = 500mVrms Vin = 500mVrms, f = 1kHz AGC level = 600mVrms Vin = 600mVrms, f = 1kHz AGC level = 300mVrms Vin = 2Vrms, f = 1kHz 2 I C BUS Interface Limits Parameter Symbol Low level input voltage VIL High level input voltage Maximum clock frequency VIH fSCL Rev.1.4 Dec 06, 2005 page 6 of 11 Min 0 Typ — Max 1.5 Unit V VCC=9V Condition 3 — 5 100 V kHz VCC=9V R2S15903SP Preliminary 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.1.4 Dec 06, 2005 page 7 of 11 (C1=C2) R2S15903SP Preliminary 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 → 05H → 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 Bass 04H Treble AGC/ Bypass D2 D1 Lch VOL<L> AGC mode AGC level D0 Rch VOL<L> Output Lch mute gain Rec output 03H 05H D3 Rch mute Surround level Rec gain 0 0 0 0 0 0 Mode selector 3. Data Table <1> Master Volume Control (Sub Address: 00H, 01H) D3 0 VOL ATT (dB) 0 0 0 0 0 1 0 –1 –2 0 0 0 0 0 1 1 0 1 0 1 0 –3 –4 0 0 0 1 1 0 1 0 1 1 0 1 1 0 –5 –6 0 0 1 1 0 1 1 0 1 0 1 0 1 0 –7 –8 0 1 1 0 1 0 1 0 –9 1 0 0 1 VOL ATT (dB) 0 VOL<H> D7 0 0 0 –10 –20 0 0 0 0 0 1 –30 –40 0 0 0 1 –50 –60 0 0 –70 –80 0 1 D6 Rev.1.4 Dec 06, 2005 page 8 of 11 D5 D4 VOL<L> D2 D1 D0 R2S15903SP Preliminary Example: If the volume of the Lch is set to –28dB, the Data byte is transmitted as follows: Sub address BIT D7 0 00H D6 0 D5 1 D4 0 D3 1 D2 0 D1 0 D0 0 <2> Input Selector (Sub Address: 02H) D7 Input selector D6 D5 REC1 D4 All OFF IN1 0 0 0 0 0 1 A A A A IN2 IN3 0 0 1 1 0 1 A A A A IN4 IN5 1 1 0 0 0 1 1 A A 1 Input If A=0 means REC1 or REC2 output ON, then A=1 means REC1 or REC2 output OFF. <3> Output Gain (Sub Address: 02H) Output gain Gain 0dB D2 0 +4.5dB 1 <4> Mute Function (Sub Address: 02H) Lch Rch Mute ON D1 0 D0 0 Mute OFF 1 1 Mute <5> Surround Mode (Sub Address: 03H) Surround level Surround level D2 Low level High level 0 1 <6> Mode Selector (Sub Address: 03H) Mode Mode selector D1 D0 Bypass Tone 0 0 0 1 Tone & Pseudo stereo Tone & Surround 1 1 0 1 Rev.1.4 Dec 06, 2005 page 9 of 11 REC2 D3 R2S15903SP Preliminary <7> Tone Control (Sub Address: 03H Bass, 04H Treble) Gain (dB) Bass/ Treble 0 D6 0 D5 0 D4 0 D3 0 1 2 0 0 0 0 0 1 1 0 3 4 0 0 0 1 1 0 1 0 5 6 0 0 1 1 0 1 1 0 0 1 1 0 1 0 1 0 9 10 1 1 0 0 0 1 1 0 11 12 1 1 0 1 1 0 1 0 13 14 1 1 1 1 0 1 1 0 1 1 7 8 D7 A 15 1 1 If A=0 means Tone control gain CUT(–), then A=1 means Tone control gain BOOST(+). <8> AGC/ Bypass (Sub Address: 05H) Mode Mode selector D7 Bypass AGC 0 1 <9> AGC Level (Sub Address: 05H) AGC level AGC level D6 D5 300mVrms 400mVrms 0 0 0 1 500mVrms 600mVrms 1 1 0 1 <10> AGC Mode (Sub Address: 05H) AGC mode AGC mode D4 Limitation* Always** 0 1 *: When input level is more than 10mVrms, AGC circuit works. **: Regardless of input level, AGC circuit always works. <11> REC Gain (Sub Address: 04H) Gain Rec gain D2 0dB –2dB 0 1 Rev.1.4 Dec 06, 2005 page 10 of 11 R2S15903SP Preliminary Note 1. When power supply is turned on • Please do not transmit I2C data during 370ms when you turn on the power supply. ( Cext(16pin)=0.22μF , Rext(15-16pin)=10kΩ ) V VCC(9V) power supply VCC(5V) Waiting interval more than 370ms Transmitting I 2 C data t 2. When mode is changed • Please do not transmit I2C data during 370ms when you change the mode selector. ( Cext(16pin)=0.22μF , Rext(15-16pin)=10kΩ ) (EX .1) Bypass → Tone Slave Sub 03H A Data S Address A Address XXXXXX00 (EX .2) Surround L → Surround H Slave Sub 03H A Data S Address A Address XXXXX011 Waiting interval more than 370ms Slave Sub03H A Data S Address A Address XXXXXX01 A P Waiting interval more than 370ms Slave Sub 03H A Data S Address A Address XXXXX111 A P • When the TONE Bass gain is changed, waiting interval is unnecessary. (EX .3) TONE Bass 1dB → 2dB Slave Sub 03H A Data S Address A Address 10001001 Rev.1.4 Dec 06, 2005 page 11 of 11 A P No Waiting interval A P Slave Sub 03H A Data S Address A Address 10010001 A P A P Sales Strategic Planning Div. Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan Keep safety first in your circuit designs! 1. Renesas Technology Corp. puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. Trouble with semiconductors may lead to personal injury, fire or property damage. Remember to give due consideration to safety when making your circuit designs, with appropriate measures such as (i) placement of substitutive, auxiliary circuits, (ii) use of nonflammable material or (iii) prevention against any malfunction or mishap. Notes regarding these materials 1. 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