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CS42438-DMZ Datasheet(PDF) 1 Page - Cirrus Logic

Part # CS42438-DMZ
Description  108 dB, 192 kHz 6-in, 8-out TDM CODEC
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS42438-DMZ Datasheet(HTML) 1 Page - Cirrus Logic

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Copyright
© Cirrus Logic, Inc. 2006
(All Rights Reserved)
http://www.cirrus.com
AUGUST '06
DS646F1
108 dB, 192 kHz 6-In, 8-Out TDM CODEC
FEATURES
Six 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 CS42438 CODEC provides six 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.
Six fully differential, or single-ended, inputs are avail-
able on stereo ADC1, ADC2,
and ADC3. When
operating in Single-ended Mode, an internal MUX be-
fore ADC3 allows selection from up to four single-ended
inputs. Digital volume control is provided for each ADC
channel, with selectable overflow detection.
All eight 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 CS42438 is available in a 52-pin MQFP package in
Commercial (-10° to +70°) and Automotive (-40° to
+105°) grades. The CDB42438 Customer Demonstra-
tion board is also available for device evaluation and
implementation suggestions. Please refer to “Ordering
Information”
on
page 61
for
complete
ordering
information.
The CS42438 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
I2C/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&2
High Pass
Filter
Differential or
Single-Ended
Analog Inputs
4
Digital
Filters
4
*Optional MUX allows selection from up to 4 single-ended inputs.
Multibit
Oversampling
ADC3
High Pass
Filter
2
Digital
Filters
2
Auxilliary Serial
Audio Input
Volume
Controls
Digital
Filters
Multibit
DAC1-4 and
Analog Filters
∆Σ
Modulators
CS42438


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