Datasheet > CDB42L50

CDB42L50

更新时间： 2024-09-23 22:12:07

品牌	Logo	应用领域
凌云 - CIRRUS		解码器编解码器放大器
页数	文件大小	规格书
48页	1371K
描述
Low Voltage, Stereo CODEC with headphone Amp

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CDB42L50 数据手册

CS42L50

Low Voltage, Stereo CODEC with Headphone Amp

Features

Description

The CS42L50 is a highly integrated, 24-bit, 96 kHz audio

codec.

ꢀ 28-Pin CASON package

ꢀ 1.8 to 3.3 Volt supply

ꢀ 24-Bit conversion / 96 kHz sample rate

ꢀ 96 dB ADC/DAC dynamic range at 3 V supply

ꢀ -88/-85 dB ADC/DAC THD+N

ꢀ 19 mW playback power consumption @ 1.8 V

ꢀ Microphone or Line input amplifier with up to

32dB of gain

This device is based on delta-sigma modulation allowing

infinite adjustment of the sample rate between 8 kHz and

100 kHz simply by changing the master clock frequency.

The CS42L50 contains a 2:1 stereo mux, programmable

analog gain control, and digital attenuation on the analog

inputs. The output D/A converters include digital bass

and treble boost, dynamic range compression, limiting,

mixing, volume control and de-emphasis.

ꢀ 2:1 stereo mux

ꢀ Digital volume control on inputs and outputs

– 96 dB attenuation, 1 dB step size

ꢀ Digital bass and treble boost on outputs

– Selectable corner frequencies

The CS42L50 operates from a +1.8 V to +3.3 V supply.

These features are ideal for portable MP3 and MD re-

corders, CD and DVD recorders, digital camcorders, and

other portable systems that require extremely low power

consumption in a minimal amount of space.

ꢀ Dynamic range compression and limiting

ꢀ De-emphasis for 32 kHz, 44.1 kHz, and 48 kHz

ꢀ Headphone amplifier

– 26 mW power output into 16 W load @ 3.0V

supply

– -80 dB THD+N

ORDERING INFORMATION

– 34 dB analog attenuation and mute

ꢀ ATAPI mixing functions

CS42L50-KN 28-pin CASON, -10 to 70 °C

CDB42L50

Evaluation Board

SCL

SDA

RST

Analog

Volume

Control

Control Port

HP_A

HP_B

Analog

Volume

Control

Digital

Volume

∆Σ

DAC

Analog

Filter

LRCK

Control

Bass/Treble

Boost

AOUT_A

AOUT_B

∆Σ

DAC

Analog

Filter

SCLK

SDIN

Compression

Limiting

AIN_L1

AIN_L2

AIN_R1

AIN_R2

Attenuator

0-96 dB

ADC

Gain

MUX

SDOUT

Digital

Filters

12 dB

Attenuator

0-96 dB

Gain

MUX

12 dB

MCLK

MUTEC

This document contains information for a new product.

Preliminary Product Information

Cirrus Logic reserves the right to modify this product without notice.

AUG ‘01

P.O. Box 17847, Austin, Texas 78760

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

http://www.cirrus.com

DS544PP1

12 3 4 5 6 7...48

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