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MS6257GTR

Description
Gain and Attenuation Volume Controller IC One Set of Stereo Input, Low voltage Gain and Attenuation 15~-79dB
File Size203KB,11 Pages
ManufacturerETC
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MS6257GTR Overview

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

MOSA
MS6257
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
‧Operation
range: 2.7V~5.5V
‧Low
power consumption
‧Gain/Attenuation:
15dB to –79dB at 1dB/step
‧Housed
in 8 pin SOP package
‧I
2
C interface
APPLICATIONS
‧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 I
2
C 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
L-OUT
V
SS
SDA
SCL
V
DD
R-OUT
R-IN
Pin
1
2
3
4
5
6
7
8
Description
Left channel input
Left channel output
Ground
I C data input
I
2
C clock input
Positive supply voltage
Right channel output
Right channel input
2
L-IN
1
L-OUT
2
V
SS
3
SDA
4
8
R-IN
MS6257
7
R-OUT
6
V
DD
5
SCL
BLOCK DIAGRAM
L-IN
1dB/STEP
-1dB/STEP
-10dB/STEP
L-OUT
Serial Bus Decoder and Latches
R-IN
1dB/STEP
-1dB/STEP
-10dB/STEP
REF
R-OUT
I2C Interface
Reference
Circuit
SDA
REV 1
SCL
1
www.mosanalog.com.tw

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Description Gain and Attenuation Volume Controller IC One Set of Stereo Input, Low voltage Gain and Attenuation 15~-79dB Gain and Attenuation Volume Controller IC One Set of Stereo Input, Low voltage Gain and Attenuation 15~-79dB Gain and Attenuation Volume Controller IC One Set of Stereo Input, Low voltage Gain and Attenuation 15~-79dB Gain and Attenuation Volume Controller IC One Set of Stereo Input, Low voltage Gain and Attenuation 15~-79dB Gain and Attenuation Volume Controller IC One Set of Stereo Input, Low voltage Gain and Attenuation 15~-79dB
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