CS42432
108 dB, 192 kHz 4-in, 6-out TDM CODEC
FEATURES
Four 24-bit A/D, Six 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
Control Port & Serial
Audio Port Supply =
1.8 V to 5 V
GENERAL DESCRIPTION
The CS42432 CODEC provides
four
multi-bit analog-to-dig-
ital and
six
multi-bit digital-to-analog Delta-sigma
converters. The CODEC is capable of operation with either
differential or single-ended inputs and outputs, in a
52
-pin
M
QFP package.
Four
fully differential, or single-ended, inputs are available
on stereo ADC1and ADC
2
. Digital volume control is provid-
ed for each ADC channel, with selectable overflow
detection.
All
six
DAC channels provide digital volume control and can
operate with differential or single-ended outputs.
An auxiliary serial input is available for an additional two
channels of PCM data.
The CS42432 is ideal for audio systems requiring wide dy-
namic range, negligible distortion and low noise, such as
A/V receivers, DVD receivers, and automotive audio
systems.
ORDERING INFORMATION
.
Digital Supply =
3.3 V
Analog Supply =
3.3 V to 5 V
Level Translator
Hardware Mode or
I
2
C/SPI Software Mode
Control Data
Register
Configuration
Internal Voltage
Reference
Reset
Level Translator
TDM Serial Audio
Input
Auxilliary Serial
Audio Input
Input Master
Clock
TDM Serial Audio
Output
Volume
Controls
TDM Serial
Interface
Digital
Filters
∆Σ
Modulators
Multibit
DAC1-3 and
Analog Filters
6
6
Differential or
Single-Ended
Outputs
High Pass
Filter
High Pass
Filter
Digital
Filters
Digital
Filters
Multibit
Oversampling
ADC1
Multibit
Oversampling
ADC2
2
2
Differential or
Single-Ended
Analog Inputs
2
2
Preliminary Product Information
Cirrus Logic, Inc.
http://www.cirrus.com
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
Copyright
©
Cirrus Logic, Inc. 2005
(All Rights Reserved)
FEB ‘05
DS673PP2
CIRRUS [ CIRRUS LOGIC ]
