R2S15900SP

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 Volume Input selector Rec output Tone control Surround/ Pseudo stereo Mode selector Output gain control MCU interface 0 to –84dB, –∞/ 1dB step Each channel is independence control. 5 input selector + MUTE 2 Rec output Bass: –15dB to +15dB/ 1dB step Treble: –15dB to +15dB/ 1dB step Surround Pseudo Stereo Bypass/ Tone / Tone & Pseudo Stereo or Surround 0dB/ +4.5dB I C-BUS control. 2 Features Recommended Operating Condition Supply voltage: VCC = 9.0V(typ) Application TV, Mini Stereo, etc. System Configuration REC L1 REC L2 (IN L4) (IN L5) VCC=9V Volume L Mode Selector IN L1 IN L2 IN L3 Tone Control (Bass / Treble) LOUT Pseudo Stereo and Surround Output Gain Control Mode Selector IN R1 IN R2 IN R3 Volume R ROUT Output Gain Control I 2 C -BUS I/F REC R1 REC R2 (IN R4) (IN R5) SCL SDA Rev.1.3 May 30, 2005 page 1 of 8 R2S15900SP Block Diagram and Pin Configuration REFIN INL1 INL2 INL3 1 2 3 - + REF 28 Input Selector VCC INR1 INR2 INR3 RECR1 (INR4) RECR2 (INR5) TRER BASSR1 BASSR2 ROUT Input Selector 27 26 -2dB -2dB 4 Lch Volume 0 to -84dB, ∞ Rch Volume 0 to -84dB, ∞ 25 24 23 22 Tone Control Bass/ Treble Tone Control Bass/ Treble RECL1 5 (INL4) RECL2 6 (INL5) TREL 7 BASSL1 8 BASSL2 9 PSEUDO 10 21 20 Pseudo Stereo and Surround Mode Selector Output Gain Control 19 18 17 16 LOUT 11 GND 12 NC 13 Output Gain Control - Mode Selector + + SCL SDA - I C-BUS I/F 2 Rext Cext De - pop NC 14 (Top view) 15 Rev.1.3 May 30, 2005 page 2 of 8 R2S15900SP Application Example VCC=9V 1µF + 1 2 - + REF 28 + 1µF Input Selector 1µF + Input Selector INL1 1µF 27 + 1µF INR1 + + INL2 1µF 3 -2dB -2dB 26 + 1µF INR2 INL3 4.7µF 4 + + 5 6 7 Tone Control Bass/ Treble Tone Control Bass/ Treble Lch Volume 0 to -84dB, ∞ Rch Volume 0 to -84dB, ∞ 25 24 23 8200 pF INR3 RECL1 (INL4) RECL2 (INL5) + + 1µF RECR1 (INR4) RECR2 (INR5) 4.7µF 1µF 8200 pF 22 0.068µF 0.068µF 8.2kΩ 8 9 10 21 20 Pseudo Stereo and Surround 8.2kΩ 0.068µF 0.068µF 4.7µF 0.015µF Mode Selector Output Gain Control 19 18 17 16 330Ω 47kΩ SCL * + ROUT 4.7µF LOUT 47kΩ 330Ω - + Mode Selector * 11 12 Output Gain Control + - + SDA I C-BUS I/F 2 MCU NC 13 De -pop 10kΩ NC 14 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 Thermal derating Operating temperature Storage temperature Symbol VCC Pd K Topr Tstg –20 to +75 –40 to +125 Ratings 10 Unit V W mW/°C °C °C Ta≤25°C Ta>25°C (Circuit board installation) Condition Rev.1.3 May 30, 2005 page 4 of 8 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 Operational power supply Supply current Reference voltage Input impedance Maximum input voltage Maximum output voltage Rec output gain Output gain Volume maximum Volume minimum Channel balance Total harmonic distortion Input selector cross talk Channel separation Output noise 1 Output noise 2 Symbol VCC ICC Vref RIN VIM VOM Gvrec Gvout VOLmax VOLmin CBAL THD CT CS Vno1 Vno2 Min 5.0 — 4.0 17 2.8 — — — –2 — –1.5 — — — — — Limits Typ 9.0 15 4.5 25 3.0 2.5 –2.0 4.5 0 –85 0 — — — –90 (31.6) –103 (7) Max 9.7 25 5.0 33 — — — — +2 –70 1.5 0.5 –70 –70 –85 (56.2) –97 (14) Unit V mA V kΩ Vrms Vrms dB dB dB dB dB % dB dB dBV (µVrms) dBV (µVrms) No signal No signal VOL=–20dB, THD=3% VOL=0dB, THD=1% Rec out Output gain=4.5dB VOL=0dB VOL=Mute, Vi=1Vrms, IHF-A VOL=0dB 400Hz to 30kHz BPF Vo=0.5Vrms Vi=1Vrms, IHF-A Vi=1Vrms, IHF-A, VOL=0dB,Output gain=0dB Tone=0dB,Surround ON, IHF-A VOL=Mute, Output gain=0dB Bypass, IHF-A Condition 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 G (Bass) B G (Bass) C G (Bass) F G (Treble) B G (Treble) C G (Treble) F Min +12.5 –17.5 –2 +12.5 –17.5 –2 Typ +15 –15 0 +15 –15 0 Max +17.5 –12.5 +2 +17.5 –12.5 +2 Unit dB dB dB dB dB dB 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 I C BUS Interface Limits Parameter Low level input voltage High level input voltage Maximum clock frequency Symbol VIL VIH fSCL Min 0 3 Typ — — Max 1.5 5 100 Unit V V kHz VCC=9V VCC=9V Condition 2 Rev.1.3 May 30, 2005 page 5 of 8 R2S15900SP Function Description 1. Tone Control Circuit Bass Circuit IN Boost R3 + R2 OUT fo = 1 2 π R1(R2+R3 C1C2 1 C1+C2 C1C2R2 R1 R2+R3 +2 R1 R3 +2 R1 ( Hz) Q~ = (R3=0) C1 R1 C2 Gv = 20 log (dB) (C1=C2) Cut IN + - OUT R2 R3 fo = 2π 1 R1(R2+R3 C1C2 C1C2R2 R1 R3 +2 R1 R2+R3 +2 R1 (Hz) Q~ = 1 C1+C2 (R3=0) (C1=C2) (dB) C1 R1 C2 Gv = 20 log Treble Circuit IN Boost + R1 R2 OUT Gv = 20 log C R1+R2 R1 (dB) IN Cut + - OUT R2 R1 Gv = 20 log C R1 R1+R2 (dB) Rev.1.3 May 30, 2005 page 6 of 8 R2S15900SP I2C Bus Format MSB LSB MSB LSB MSB LSB S 1 bit Slave Address 8bit A 1 bit Sub Address 8bit A 1 bit Data 8bit A 1 bit P 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 00H 01H 02H 03H 04H Default values are all “0”. BIT D7 D6 D5 Lch VOL Rch VOL Input selector Bass Treble Rec output D4 D3 D2 D1 Lch VOL Rch VOL Output Lch mute gain Surround level 0 D0 Rch mute Mode selector 0 0 3. Data Table Master Volume Control (Sub Address: 00H, 01H) VOL ATT (dB) 0 –10 –20 –30 –40 –50 –60 –70 –80 VOL D7 0 0 0 0 0 0 0 0 1 D6 0 0 0 0 1 1 1 1 0 D5 0 0 1 1 0 0 1 1 0 D4 0 1 0 1 0 1 0 1 0 VOL ATT (dB) 0 –1 –2 –3 –4 –5 –6 –7 –8 –9 VOL D3 0 0 0 0 0 0 0 0 1 1 D2 0 0 0 0 1 1 1 1 0 0 D1 0 0 1 1 0 0 1 1 0 0 D0 0 1 0 1 0 1 0 1 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 D5 1 D4 0 D3 1 D2 0 D1 0 D0 0 Rev.1.3 May 30, 2005 page 7 of 8 R2S15900SP Input Selector (Sub Address: 02H) Input All OFF IN1 IN2 IN3 IN4 Input selector D7 0 0 0 0 1 D6 0 0 1 1 0 D5 0 1 0 1 0 REC1 D4 A A A A 1 A REC2 D3 A A 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. Output Gain (Sub Address: 02H) Gain 0dB +4.5dB Output gain D2 0 1 Surround Mode (Sub Address: 03H) Surround level Low level High level Surround level D2 0 1 Mute Function (Sub Address: 02H) Mute Mute ON Mute OFF Lch D1 0 1 Rch D0 0 1 Mode Selector (Sub Address: 03H) Mode Bypass Tone Tone & Pseudo stereo Tone & Surround Mode selector D1 D0 0 0 1 1 0 1 0 1 Tone Control (Sub Address: 03H Bass, 04H Treble) Gain (dB) 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 D7 D6 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 Bass/ Treble D5 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 D4 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 D3 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 A If A=0 means Tone control gain CUT(–), then A=1 means Tone control gain BOOST(+). Rev.1.3 May 30, 2005 page 8 of 8 Sales Strategic Planning Div. Keep safety first in your circuit designs! Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan 1. 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