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Copyright
Cirrus Logic, Inc. 2006
(All Rights Reserved)
http://www.cirrus.com
105 dB, 192 kHz, Multi-bit Audio A/D Converter
Features
Advanced Multi-bit Delta-Sigma Architecture
24-bit Conversion
Supports All Audio Sample Rates Including
192 kHz
105 dB Dynamic Range at 5 V
-98 dB THD+N
90 mW Power Consumption
High-Pass Filter to Remove DC Offsets
Analog/Digital Core Supplies from 3.3 V to 5 V
Supports Logic Levels between 2.5 V and 5 V
Low-Latency Digital Filter
Auto-detect Mode Selection in Slave Mode
Auto-Detect MCLK Divider
Supports 384x MCLK/LRCK Ratios
General Description
The CS5342 is a complete analog-to-digital converter
for digital audio systems. It performs sampling, analog-
to-digital conversion and anti-alias filtering, generating
24-bit values for both left and right inputs in serial form
at sample rates up to 200 kHz per channel.
The CS5342 uses a 5th-order, multi-bit Delta-Sigma
modulator followed by digital filtering and decimation,
which removes the need for an external anti-alias filter.
The CS5342 is available in a 16-pin TSSOP package in
Commercial grade (-10° to 70° C). The CDB5342 Cus-
tomer Demonstration board is also available for device
evaluation and implementation suggestions. Please re-
fer to “Ordering Information” on page 21 for complete
ordering information.
The CS5342 is ideal for audio systems requiring wide
dynamic range, negligible distortion and low noise, such
as set-top boxes, DVD-karaoke players, DVD record-
ers, A/V receivers, and automotive applications.
CS5342
APRIL '06
DS608F1
High-Pass
Filter
Low-Latency
Digital Filters
High-Pass
Filter
Se
ri
al
P
o
rt
VA
3.3 V to 5 V
Internal
Reference
Voltages
Switch-Cap
ADC
VD
3.3 V to 5 V
VL
2.5 V to 5 V
Auto-detect
MCLK Divider
Slave Mode
Auto-detect
Master Clock
Reset
Single-Ended
Analog Input
Low-Latency
Digital Filters
Switch-Cap
ADC
Mode
Configuration
Single-Ended
Analog Input
SCLK
LRCK
SDOUT
M0
M1
FILT+
VQ
AINR
AINL
÷1.5
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