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MAS - Stereo Digital Volume Control

Numéro de référence MAS9116
Description Stereo Digital Volume Control
Fabricant MAS 
Logo MAS 





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MAS9116 fiche technique
www.DataSheet4U.com
DA9116.005
22 November, 2005
MAS9116
Stereo Digital Volume Control
Signal Voltage up to ± 18V
Two Independent Channels
Use of Differential DACs Possible
Serial Control Registers
DESCRIPTION
MAS9116 is a stereo volume control for audio
systems, which require high output voltages (AC3).
It has a 16-bit serial interface, which controls two
audio channels. Simple serial interface allows
microcontroller to control many MAS9116 chips on
FEATURES
Zero Detection for Gain Changes
Gain Range +15.5db…-111.5dB
0.5 dB Step Size
Mute Pin and Register
Power On/Off Transient Suppression
Signal Peak Level Comparator with Adjustable
Reference
BLOCK DIAGRAM
the same PCB board. “Clicking” between gain
changes is eliminated by changing gain only when
zero crossing has been detected from the signal.
The use of external operational amplifier provides
flexibility for the operating voltage, signal swing,
noise floor and cost optimization.
APPLICATION
High End Audio Systems
Multichannel Audio Systems
RIN RFO
R2 R1
RMO
R3
VIN
RGND
DATA
CCLK
XCS
XMUTE
LIN
VIN
ZERO
CROSSING
CONTROL
ZERO
CROSSING
R2
R3
PEAK
DETECTOR
8
DAC
PEAK
DETECTOR
R1
LFO
LMO
LGND
AGND
AVCC
DVCC
DGND
MAS9116
VOUT
VOUT
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