R2S15903SP Просмотр технического описания (PDF) - Renesas Electronics

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R2S15903SP

Sound Controller with Surround & AGC

Renesas Electronics 

Preliminary

R2S15903SP

Sound Controller with Surround & AGC

REJ03F0159-0140

Rev.1.4

Dec 06, 2005

Description

The R2S15903SP is an optimum audio signal processor IC for TV. It has a 5ch input selector, AGC, surround/pseudo

stereo, tone control(2band), output gain control and 2ch master volume. It can control all of these functions with I2C

bus.

Features

• Volume: 0 to –89dB, –∞/ 1dB step. Each channel is independence control.

• 5 input selector + MUTE

• 2 Rec output (0/–2dB)

• Auto gain control (AGC level 4step)

• Tone control Bass: –15dB to +15dB/ 1dB step

Treble: –15dB to +15dB/ 1dB step

• Surround <Low/ High>/ Pseudo stereo

• Mode selector: Bypass/ Tone / Tone & Pseudo Stereo or Surround

• Output gain control: 0dB/ +4.5dB

• I2C-BUS control

Recommended Operating Condition

Supply voltage: VCC = 9.0V(typ)

Application

TV, Mini Stereo, etc.

System Configuration

REC L1 REC L2

(IN L4) (IN L5)

R2S15903SP

VCC=9V

IN L1

IN L2

IN L3

AGC

IN R1

IN R2

IN R3

REC R1 REC R2

(IN R4) (IN R5)

Volume L

Volume R

Tone Control

(Bass / Treble)

Pseudo Stereo

and

Surround

I 2C-BUS I/F

Mode selector

LOUT

Output Gain

Control

Mode Selector

ROUT

Output Gain

Control

SCL SDA

Rev.1.4 Dec 06, 2005 page 1 of 11

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