CS42435-CMZ datasheet(1/57 Pages) CIRRUS

Il numero della parte	CS42435-CMZ

Spiegazioni elettronici	108 dB, 192 kHz 4-In, 8-Out TDM CODEC

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Produttore elettronici	CIRRUS [Cirrus Logic]

Homepage	http://www.cirrus.com

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http://www.cirrus.com

DECEMBER '07

DS685F2

108 dB, 192 kHz 4-In, 8-Out TDM CODEC

FEATURES

Four 24-bit A/D, Eight 24-bit D/A Converters

ADC Dynamic Range

–

105 dB Differential

–

102 dB Single-Ended

DAC Dynamic Range

–

108 dB Differential

–

105 dB Single-Ended

ADC/DAC THD+N

–

-98 dB Differential

–

-95 dB Single-Ended

Compatible with Industry-Standard Time

Division Multiplexed (TDM) Serial Interface

DAC Sampling Rates up to 192 kHz

ADC Sampling Rates up to 96 kHz

Programmable ADC High-Pass Filter for DC

Offset Calibration

Logarithmic Digital Volume Control

Hardware Mode or Software I²C® & SPI™

Supports Logic Levels Between 5 V and 1.8 V

GENERAL DESCRIPTION

The CS42435 CODEC provides four multi-bit analog-to-

digital and eight multi-bit digital-to-analog delta-sigma

converters. The CODEC is capable of operation with ei-

ther differential or single-ended inputs and outputs, in a

52-pin MQFP package.

Four

fully differential, or single-ended, inputs are avail-

able on stereo ADC1 and ADC2. Digital volume control

is provided for each ADC channel, with selectable over-

flow detection. An auxiliary serial input is available for

an additional two channels of PCM data.

All eight DAC channels provide digital volume control

and can operate with differential or single-ended

outputs.

The CS42435 is available in a 52-pin MQFP package in

Commercial (-40°C to +85°C) and Automotive (-40°C to

+105°C) grades. The CDB42438 Customer Demonstra-

tion board is also available for device evaluation and

implementation suggestions. Please refer to “Ordering

Information”

on

page 57

for

complete

ordering

information.

The CS42435 is ideal for audio systems requiring wide

dynamic range, negligible distortion and low noise, such

as A/V receivers, DVD receivers, and automotive audio

systems.

Control Port & Serial

Audio Port Supply =

1.8 V to 5 V

Register

Configuration

Internal Voltage

Reference

Reset

TDM Serial Audio

Input

Digital Supply = 3.3 V

Hardware Mode or

I

2C/SPI Software Mode

Control Data

Analog Supply =

3.3 V to 5 V

Differential or

Single-Ended

Outputs

8

Input Master

Clock

8

TDM Serial Audio

Output

Multibit

Oversampling

ADC1

High Pass

Filter

Differential or

Single-Ended

Analog Inputs

2

Digital

Filters

2

Multibit

Oversampling

ADC2

High Pass

Filter

2

Digital

Filters

2

Auxilliary Serial

Audio Input

Volume

Controls

Digital

Filters

Multibit

DAC1-4 and

Analog Filters

ΔΣ

Modulators

CS42435

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