MAS9116 datasheet(1/18 Pages) MAS

部件名	MAS9116

功能描述	Stereo Digital Volume Control

PDF	18 Pages

Scroll/Zoom	100%

制造商	MAS [Micro Analog systems]

网页	http://www.mas-oy.com

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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

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.

FEATURES

APPLICATION

•

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

•

High End Audio Systems

•

Multichannel Audio Systems

BLOCK DIAGRAM

CONTROL

R1

R2

R3

R1

R2

R3

ZERO

CROSSING

LFO

RFO

AGND

AVCC

VIN

VOUT

ZERO

CROSSING

XCS

XMUTE

PEAK

DETECTOR

DAC

8

PEAK

DETECTOR

DATA

LMO

RMO

CCLK

DVCC

DGND

LIN

RIN

RGND

LGND

MAS9116

类似零件编号 - MAS9116

制造商	部件名	数据表	功能描述
Micro Analog systems	MAS9118	56Kb / 4P	Evaluation Kit

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