rej03f0152_r2s15902fp| Datasheet

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R2S15902FP
6ch Electronic Volume with 4 Input Selector
REJ03F0152-0100 Rev.1.0 Nov.22.2005

Description
R2S15902FP is an audio signal processor for home audio. This IC contains 6 channels electronic volume, gain control, input selector and 2 band tone control.

Features
6 channels independent electronic volume (0 to 99dB/1dBstep, dB) 6 channels independent gain control (0 to +14dB/ 2dB step) L/R channel 4 input selector (Input gain: 0 to +14dB/ 2dB step) Multi channel input: 6 channels input Tone control Bass: 14 to + 14dB(2dB step), Treble: 14 to + 14dB(2dB step) Can use 1 input for REC output (REC output gain: 0, +2, +4, +6dB) Built-in ADC output (Input Att: 0/ 6/ 12/ 18dB) Built-in L+R/ L R block Built-in digital power supply

Recommended Operating Condition
Supply voltage range VCC = 8.0V to 10.0V: 9.0V(typ)

Application
Receiver, AV amp, Home theater, Mini stereo etc.

System Block Diagram
REC OUT (4) Multi Multi Rin Lin Lch Tone Rch Tone DGND CLOCK DATA MCU I/F

Input Selector

Tone Input Gain Volume Bass& Treble REC Gain Input Gain Volume Bass& Treble Gain Control Rout Gain Control Lout

1 Lch 2 3

LoSL Input ATT

+ -

Lch (L-R)

SLin MSLin SRin MSRin Cin MCin SWin MSWin

Volume

Gain Control SLout

ADCL (L-R)

Volume

Gain Control SRout

1 Rch 2 3

Input Selector

REC Gain Input ATT

LoSR

+ -

Rch (L+R)

Volume

Gain Control

Cout

ADCR (L+R)

Volume

Gain Control

SWout

(4) REC OUT

AGND

Vref VCC

Rev.1.0 Nov 22, 2005 page 1 of 15

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