Datasheet > CDB4328

CDB4328

更新时间： 2024-02-16 22:26:23

品牌	Logo	应用领域
凌云 - CIRRUS		转换器
页数	文件大小	规格书
31页	824K
描述
18-Bit, Stereo D/A Converter for Digital Audio

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CDB4328 数据手册

CS4328

18-Bit, Stereo D/A Converter for Digital Audio

Features

General Description

The CS4328 is a complete stereo digital-to-analog out-

put system. In addition to the traditional D/A function,

the CS4328 includes an 8× digital interpolation filter fol-

lowed by a 64× oversampled delta-sigma modulator.

The modulator output controls the reference voltage in-

put to an ultra-linear analog low-pass filter. This

architecture allows for infinite adjustment of sample

rate between 1 kHz and 50 kHz while maintaining lin-

ear phase response simply by changing the master

clock frequency.

Complete Stereo DAC System

8× Interpolation Filter

64× Delta-Sigma DAC

Analog Post Filter

•

Adjustable System Sampling Rates

including 32kHz, 44.1kHz & 48kHz

•

120 dB Signal-to-Noise Ratio

Low Clock Jitter Sensitivity

•

The CS4328 also includes an extremely flexible serial

port utilizing two select pins to support four different

interface modes.

The master clock can be either 256 or 384 times the

input word rate, supporting various audio environ-

ments.

Completely Filtered Line-Level Outputs

Linear Phase Filtering

Zero Phase Error Between Channels

No External Components Needed

ORDERING INFORMATION:

Flexible Serial Interface for Either 16

or 18 bit Input Data

•

CS4328-KP

CS4328-KS

CS4328-BP

CS4328-BS

CDB4328

0 to 70 °C

-40 to +85 °C

28-pin Plastic DIP

28-pin Plastic SOIC

28-pin Plastic DIP

28-pin Plastic SOIC

CS4328 Evaluation Board

VD+

DGND

DIF0

DIF1

AGND1 VA-

VA+

LRCK

Serial Input

Interface

Voltage Reference

-VREF

BICK

SDATAI

Analog

MOSFET

Output

Stage

Delta-Sigma

DMelotad-uSlaigtomra

Modulator

DAC

Low-Pass

Filter

AOUTL

Interpolator

TST

RST

Analog

Low-Pass

Filter

MOSFET

Output

Stage

Delta-Sigma

DMelotad-uSlaigtomra

Modulator

Interpolator

DAC

AOUTR

Calibration

Microcontroller

Clock Osc/

Divider

AGND2

AGND3

XTI XTO CKS ACKO

14 15

ACKI

CMPO

CALO

CMPI

CALI

Crystal Semiconductor Corporation

P.O. Box 17847, Austin, TX 78760

(512) 445-7222 FAX: (512) 445-7581

http://www.crystal.com

OCT ’93

DS62F3

12 3 4 5 6 7...31

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