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器件描述：6-Channel Volume Controller Gain and Attenuation 16-79dB Low voltage, High Channel Separation
器件厂商：MOSA [MOSA ELECTRONICS]
厂商主页：http://www.mosanalog.com/
文件大小：441.22KB
文件页数：11
PDF阅读：MS6266SSU.pdf (点击阅读器件资料)
摘要：
MOSA
MS6266
6-Channel Electronic Volume Controller
REV1 1 www.mosanalog.com.tw
6-Channel Volume Controller
Gain and Attenuation 16~-79dB
Low voltage, High Channel Separation
FEATURES
?Operation range: 2.7V~5.5V
?Low power consumption
?Gain/Attenuation: 16dB to –79dB at 1dB/step
?Good PSRR
?I
2
C interface
?Pop noise free
?Housed in SSOP20, SOP20
APPLICATIONS
?Multimedia system
?Hi-Fi audio system
?Car audio
?Portable audio equipment
DESCRIPTION
The MS6266 is a 6-channel volume controller IC with gain and attenuation. It uses CMOS technology specially for the
low voltage application with low noise, rail-to-rail output. The MS6266 provide an I
2
C control interface with gain /
attenuation range of 16dB to -79dB, 1dB/step. The initial condition is set to be maximum attenuation –79dB and mute
on mode when the power is on.
PIN CONFIGURATION
Symbol Pin Description
IN1 1 1
st
channel input
IN2 2 2
nd
channel input
IN3 3 3
rd
channel input
AC2 4 Address code 2
DGND 5 Digital Ground
SCL 6 I
2
C clock input
SDA 7 I
2
C data input
IN4 8 4
th
channel input
IN5 9 5
th
channel input
IN6 10 6
th
channel input
OUT6 11 6
th
channel output
OUT5 12 5
th
channel output
OUT4 13 4
th
channel output
GND 14 Analog ground
V
REF
15 Reference voltage = 1/2V
DD
V
DD
16 Positive supply voltage
AC1 17 Address code 1
OUT3 18 3
rd
channel output
OUT2 19 2
nd
channel output
OUT1 20 1
st
channel output
19
18
17
20
2
3
4
1 OUT1
OUT2
OUT3
AC1
IN1
IN2
IN3
AC2
15
14
13
16
12
11
6
7
8
5
9
10
MS6266
V
DD
V
REF
GND
OUT4
OUT5
OUT6IN6
IN5
IN4
SDA
SCL
DGND
Note: 1. The address codes have four types, selected by AC1and AC2.
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