MS6258SSGU(REV6) 데이터 시트보기 (PDF) - MOSA ELECTRONICS

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MS6258SSGU
(Rev.:REV6)

Gain and Attenuation Volume Controller IC 4 Sets of Stereo Input, Low voltage Gain and Attenuation 15~-79dB

MOSA ELECTRONICS 

MOSA

MS6258

Gain And Attenuation Volume Controller IC

Gain and Attenuation Volume Controller IC

4 Sets of Stereo Input, Low voltage

Gain and Attenuation 15~-79dB

FEATURES

‧ Operation range: 2.7V~6.5V.

‧ Low power consumption.

‧ Gain/Attenuation: 15dB to –79dB.

‧ +1dB/step, -1dB/step and -10dB/step are controlled

independently.

‧ Good PSRR and low pop noise.

‧ I2C interface.

‧ Housed in 16 pin SOP, SSOP package.

APPLICATIONS

‧ Multimedia system.

‧ Hi-Fi audio system.

‧ MP3，PDA.

DESCRIPTION

The MS6258 is a stereo audio volume controller IC with 4 sets of stereo input. It uses CMOS technology specially

for the low voltage application with low noise, rail-to-rail output. The MS6258 provide an I2C control interface with

gain / attenuation range of 15dB to -79dB. The gain and attenuation, +1dB/step, -1dB/step and -10dB/step are

controlled independently. The initial condition is set to be maximum attenuation –79dB (-70dB + -9dB), gain 0dB and

mute on mode when the power is up.

BLOCK DIAGRAM

L-IN1

L-IN2

L-IN3

L-IN4

R-IN1

R-IN2

R-IN3

R-IN4

Gain 0~15dB

1dB/Step

Attenuation 0~-79dB

-1dB/Step

-10dB/Step

Serial Bus Decoder and Latches

Mute

Control

1dB/Step

Gain 0~15dB

-1dB/Step

-10dB/Step

Attenuation 0~-79dB

REF

I2C Interface

Reference

Circuit

SDA

SCL

VREF

L-OUT

R-OUT

REV 6

1

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