Volume Controller. MS6274 Datasheet

MS6274 Controller. Datasheet pdf. Equivalent


Part MS6274
Description Stereo Audio Volume Controller
Feature MOSA MS6274 Volume Controller with soft step IC Stereo Audio Volume Controller With Soft Steps, 4 .
Manufacture MOSA
Datasheet
Download MS6274 Datasheet


MOSA MS6274 Volume Controller with soft step IC Stereo Aud MS6274 Datasheet
Recommendation Recommendation Datasheet MS6274 Datasheet




MS6274
MOSA
MS6274
Volume Controller with soft step IC
Stereo Audio Volume Controller With Soft Steps,
4 Stereo(1 quasi-differential) Inputs,
Low voltage, Gain/Loss, Low power consumption.
FEATURES
Operation range: 2.5V~6.5V.
One quasi-differential input.
Input Gain: 0dB ~ +15dB.
Soft step volume control-79dB ~ +15dB.
Low power consumption.
Good PSRR and low pop noise.
I2C interface.
Housed in 16 pin SSOP packages.
APPLICATIONS
Multimedia system
Hi-Fi audio system.
Bluetooth.
DAB
DESCRIPTION
The MS6274 is a stereo audio volume controller IC with 4 sets of stereo inputs(1 quasi-differential Input). It has
Input gain(0 ~ +15dB), Soft step volume control(-79dB ~ +15dB) with programmable blend times. It uses CMOS
technology specially for the low voltage application with low noise, rail-to-rail output.
BLOCK DIAGRAM
MS6274
L-IN1
L-IN2
L-IN3
L-IN4/DiffL
NC/DiffG
R-IN4/DiffR
R-IN3
R-IN2
R-IN1
INPUT
Mux
Gain 0dB ~ 15dB
Input Gain
-79dB ~ +15dB
Volume/Mute
(With Soft step)
Input Gain
Gain 0dB ~ 15dB
Volume/Mute
(With Soft step)
-79dB ~ +15dB
L-OUT
R-OUT
Supply
I2C Interface
VDD GND VREF
SDA
SCL
V1.5
1/19 www.mosanalog.com



MS6274
MOSA
MS6274
Volume Controller with soft step IC
PIN CONFIGURATION
Symbol
Pin
Description
NC/DIFFG
1 No Connected /Differential Stereo Input Common
L-IN4/DIFFL 2 4th Left Channel Input / Left Differential Stereo Input
L-IN3
3 3rd Left Channel Input
L-IN2
4 2nd Left Channel Input
L-IN1
5 1st Left Channel Input
L-OUT
6 Left Channel Output
VSS
SDA
7 Ground
8 I2C Data Input
SCL 9 I2C Clock Input
VDD
R-OUT
10 Positive Supply Voltage
11 Right Channel Output
R-IN1
12 1st Right Channel Input
R-IN2
13 2nd Right Channel Input
R-IN3
14 3rd Right Channel Input
R-IN4/DIFFR 15 4th Right Channel Input / Right Differential Stereo Input
VREF
16 Reference Voltage = 1/2VDD
NC/DIFFG 1
L-IN4/DIFFL 2
16 VREF
15 R-IN4/DIFFR
L-IN3 3
14 R-IN3
L-IN2 4
L-IN1 5
MS6258
MS6274
13 R-IN2
12 R-IN1
L-OUT 6
11 R-OUT
VSS 7
SDA 8
10 VDD
9 SCL
V1.5
2/19 www.mosanalog.com







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