Datasheet > CDB4390

CDB4390

更新时间： 2024-01-24 11:48:59

品牌	Logo	应用领域
凌云 - CIRRUS		转换器
页数	文件大小	规格书
22页	617K
描述
24-Bit, Stereo D/A Converter for Digital Audio

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CDB4390 数据手册

CS4390

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

Features

Description

The CS4390 is a complete stereo digital-to-analog out-

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

CS4390 includes a digital interpolation filter followed by

an 128X oversampled delta-sigma modulator. The mod-

ulator output controls the reference voltage input to an

ultra-linear analog low-pass filter. This architecture al-

lows for infinite adjustment of sample rate between 1 and

50 kHz while maintaining linear phase response simply

by changing the master clock frequency.

24-Bit Conversion

115 dB Signal-to-Noise-Ratio (EIAJ)

Complete Stereo DAC System

— 128X Interpolation Filter

— Delta-Sigma DAC

— Analog Post Filter

106 dB Dynamic Range

Low Clock Jitter Sensitivity

Filtered Line-Level Outputs

— Linear Phase Filtering

The CS4390 also includes an extremely flexible serial

port utilizing mode select pins to support multiple inter-

face formats.

— Zero Phase Error Between Channels

Adjustable System Sampling Rates

— including 32 kHz, 44.1 kHz & 48 kHz

The master clock can be either 256, 384, or 512 times

the input sample rate, supporting various audio

environments.

Digital De-emphasis for 32 kHz, 44.1 kHz, &

48 kHz

Pin-compatible with the CS4329

ORDERING INFORMATION

CS4390-KP -10° to 70° C 20-pin Plastic DIP

CS4390-KS -10° to 70° C 20-pin Plastic SSOP

CDB4390

Evaluation Board

DIF0 DIF1 DIF2

20 19 12

DEM0 DEM1

LRCK

SCLK

Serial Input

Interface

De-emphasis

Voltage Reference

MUTE_L

SDATA

AOUTL+

Analog

Low-Pass

Filter

Delta-Sigma

Modulator

Interpolator

DAC

AOUTL-

AOUTR+

AUTO_MUTE

Analog

Low-Pass

Filter

Delta-Sigma

Modulator

Interpolator

AOUTR-

DGND

MCLK

AGND

MUTE_R

Cirrus Logic, Inc.

Crystal Semiconductor Products Division

P.O. Box 17847, Austin, Texas 78760

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

http://www.crystal.com

JUN ‘98

DS264F1

12 3 4 5 6 7...22

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