Datasheet > AV2638

AV2638

更新时间： 2024-02-12 11:15:17

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音频D/A转换。hangbiao gbf

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AV2638 数据手册

AVSTechnology

AV2636

24-bit 192kHz Stereo Audio DAC

DESCRIPTION

FEATURES

The AV2636 is a high performance, low power

stereo audio digital to analog converter (DAC). It

is designed for high performance audio

applications such as CD player, DVD player,

home theater systems, digital TVs and set top

boxes. Based on the state of the art multi-bit

∆−Σ modulator, it also includes the digital

interpolation filters, digital volume control, digital

de-emphasis and analog low pass filters. It has

no linearity drift due to time and temperature. It

also has high tolerance to clock jitter.

•

SNR: 102 dB

THD+N: -90 dB

Input Sample rate: 8kHz – 192kHz

Input data resolution: 16/18/20/24 bits

Digital De-Emphasis for 32k/44.1k/48kHz

Digital Volume Control

Mute Control

Single Power Supply 2.2V – 3.6V

Low Clock Jitter Sensitivity

Small 14-pin SOIC Package

The device has a serial audio interface that

accepts 16/18/20/24 digital data in I²S, Right-

justified or DSP mode. It can work at auto-detect

mode or programmable mode with a two-wire

serial command interface. Audio sample rates

from 8kHz to 192kHz are supported.

APPLICATIONS

•

DVD/CD Player

Home Theatre Systems

Digital TV and Set-Top Boxes

Electronic Music Instrument

CHIP BLOCK DIAGRAM

LOW PASS

AOUTL

AOUTR

DAC

FILTER

SERIAL

AUDIO

INTERPOLATION

DIGITAL

MULTI-LEVEL

∆−Σ

MODULATOR

INTERFACE

FILTERS

LOW PASS

FILTER

CONTROL INTERFACE

VDD

VCM

GND

FMTC

FMTD

MUTE

MODE

MCK

AVS Technology, Inc.

1-16

August 18, 2004

www.avstech.com

12 3 4 5 6 7...16

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