Datasheet > MS6257U

MS6257U

更新时间： 2024-11-15 03:48:19

品牌	Logo	应用领域
茂升 - MOSA		/
页数	文件大小	规格书
15页	615K
描述
Gain and Attenuation Volume Controller IC One Set of Stereo Input, Low voltage Gain and Attenuation 15~-79dB

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MS6257U 数据手册

MS6257

MOSA

GAIN AND ATTENUATION VOLUME CONTROLLER IC

Gain and Attenuation Volume Controller IC

One Set of Stereo Input, Low voltage

Gain and Attenuation 15~-79dB

FEATURES

APPLICATIONS

‧Operation range: 2.7V~5.5V

‧Low power consumption

‧Gain/Attenuation: 15dB to –79dB at 1dB/step

‧Housed in 8 pin SOP package

‧I²C interface

‧Multimedia system

‧Hi-Fi audio system

‧MP3, PDA

‧Cross-reference PT2257, PT2259

DESCRIPTION

The MS6257 is the stereo audio volume controller IC. It uses CMOS technology specially for the low voltage

application with low noise, rail-to-rail output. The MS6257 provide an I²C control interface with gain / attenuation

range of 15dB to –79dB, 1dB/step. The initial condition is set to be maximum attenuation –79dB and mute on mode

when the power is up.

PIN CONFIGURATION

Symbol

L-IN

Description

Left channel input

Left channel output

Ground

L-IN 1

8 R-IN

7 R-OUT

6 V_DD

L-OUT

V_SS

L-OUT 2

SDA

SCL

I²C data input

I²C clock input

MS6257

V_SS

V_DD

Positive supply voltage

Right channel output

Right channel input

SDA 4

5 SCL

R-OUT

R-IN

BLOCK DIAGRAM

L-IN

1dB/STEP

-1dB/STEP

-10dB/STEP

L-OUT

R-OUT

Serial Bus Decoder and Latches

R-IN

1dB/STEP

-1dB/STEP

-10dB/STEP

REF

Reference

Circuit

I2C Interface

SDA

SCL

REV 1

www.mosanalog.com

12 3 4 5 6 7...15

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