MS6258SSGU 데이터 시트보기 (PDF) - MOSA ELECTRONICS
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MS6258SSGU Datasheet PDF : 12 Pages
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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~5.5V
‧Low power consumption
‧Gain/Attenuation: 15dB to –79dB at 1dB/step
‧Good PSRR and low pop noise
‧I2C interface
‧Housed in 16 pin SOP, SSOP package
APPLICATIONS
‧Multimedia system
‧Hi-Fi audio system
‧MP3, PDA
‧LCD Monitor
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, 1dB/step. The initial condition is set to be maximum attenuation –79dB and mute
on mode when the power on.
PIN CONFIGURATION
Symbol
A.O.
L-IN4
L-IN3
L-IN2
L-IN1
L-OUT
VSS
SDA
SCL
VDD
R-OUT
R-IN1
R-IN2
R-IN3
R-IN4
VREF
Pin
Description
1 Address option *
2 4th left channel input
3 3rdleft channel input
4 2nd left channel input
5 1st left channel input
6 Left channel output
7 Ground
8 I2C data input
9 I2C clock input
10 Positive supply voltage
11 Right channel output
12 1st right channel input
13 2nd right channel input
14 3rd right channel input
15 4th right channel input
16 Reference voltage = 1/2VDD
A.O. 1
L-IN4 2
L-IN3 3
L-IN2 4
L-IN1 5
L-OUT 6
VSS 7
SDA 8
Note: 1. Pin 1 is set to Lo or open , the address code is 88H (10001000B).
2. Pin 1 is set to Hi , the address code is 8CH (10001100B).
3. The VREF connects a capacitor to Vss.
REV 1
1
16 VREF
15 R-IN4
14 R-IN3
MS6258
MS6258
13 R-IN2
12 R-IN1
11 R-OUT
10 VDD
9 SCL
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