Renesas R2A15908SP#U1

Overview

R2A15908SP 5 Input Selector 2ch Electronic Volume with Tone & Surround REJ03F0270-0100 Rev.1.00 Jan 25, 2008 Description The R2A15908SP is an optimum audio signal processor IC for TV. It has a 5ch input selector with mono switch, surround, tone control (2band), input gain control and 2ch master volume. It can control all of these functions with I2C bus. 

R2A15908SP Application Example 1μF 4.7μF INR5 1μF + + + 1μF 1 Mode Selector + + – 28 + 4.7μF 47kΩ ROUT INR4 1μF 2 3 27 + 8200pF 47kΩ LOUT INR3 26 Rch Bass/ Treble Tone Control INR2 + Input Selector Surround 4 5 Mute 25 24 23 22 21 0.068μF 8.2kΩ 0.068uF 1μF INR1 + 1μF 1μF INL2 1μF + + + 1μF 7 8 Input Selector Tone Control Mono /Stereo Lch Bass/ Treble INL1 + 6 0.068μF 8.2kΩ 0.068μF 8200pF INL3 1μF INL4 9 10 Input Gain Control 20 19 SDA MCU I/F Mute Volume INL5 + 11 2.2μF + 12 13 + 0 to +20dB /2dB step 18 SCL 17 10μF REF 0 to -87dB, -∞ 2.2μF + 14 + – 0 to +20dB /2dB step + – 16 15 + Volume 0 to -87dB, -∞ VCC=9V REJ03F0270-0100 Rev.1.00 Jan 25, 2008 Page 3 of 13 R2A15908SP Equivalent Circuit of Pin Interface Block Pin 1 2 3 4 5 6 7 8 9 10 Pin Name INR5 INR4 INR3 INR2 INR1 INL1 INL2 INL3 INL4 INL5 Equivalent Circuit 50k ref 11 13 27 28 IGOUTL IGOUTR LOUT ROUT 12 14 VOLINL VOLINR R1 R2 ref R1+R2=50kΩ 18 SCL 19 SDA Ack 50k 16 REFIN 50k 15 17 20 VCC AGND DGND REJ03F0270-0100

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