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/ Treb...