Rev.1.3 May 30, 2005 page 1 of 8

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 I

Features

Function

Features

Volume

0 to –84dB, –

∞/ 1dB step

Each channel is independence control.

Input selector

5 input selector + MUTE

Rec output

2 Rec output

Tone control

Bass: –15dB to +15dB/ 1dB step

Treble: –15dB to +15dB/ 1dB step

Surround/ Pseudo stereo

Surround <Low/ High>

Pseudo Stereo

Mode selector

Bypass/ Tone / Tone & Pseudo Stereo or Surround

Output gain control

0dB/ +4.5dB

MCU interface

I

Recommended Operating Condition

Application

TV, Mini Stereo, etc.

System Configuration

ROUT

LOUT

-BUS I/F

IN R2

IN R3

REC R1

(IN R4)

SDA

Pseudo Stereo

and

Surround

Tone Control

(Bass / Treble)

Mode Selector

Mode Selector

SCL

Volume L

Volume R

IN R1

REC R2

(IN R5)

IN L2

IN L1

REC L1

(IN L4)

IN L3

REC L2

(IN L5)

Output Gain

Control

Output Gain

Control

VCC=9V

I C

2