CRD5381 Datasheet, PDF (1/24 Pages) Cirrus Logic – Audio A/D Converter w/ Asynchronous Decimation Filter Reference Design

CRD5381
Audio A/D Converter w/ Asynchronous Decimation Filter
Reference Design
Features
Analog Performance
 Advanced Multi-bit Delta-sigma Architecture
 24-bit Conversion
 120 dB Dynamic Range
 -110 dB THD+N
 Performance insensitivity to Input Clock Jitter
Digital Filter Characteristics
 125 dB Stop-band Rejection
 Phase-Matched Outputs
System Features
 Output Sample Rate Determined by Input
Word, Left/Right, or Fsync Clock
 No External Master Clock Required
 Easily Scalable for Additional Channels
 Sample Rates from 27 kHz to 192 kHz
 Four-Channel Time-Division Multiplexed
Output
 Two Independent Stereo, Left-Justified
Outputs
LEFT
RIGHT
CS5381 A
Quad Speed SDOUT
Slave Mode
CS8421 A
SDIN Master Input SDOUT
Slave Ouput
22
Differential Analog
Inputs 1-4
22
LEFT
RIGHT
CS5381 B
Quad Speed SDOUT
Slave Mode
TDM ENABLE
SDOUT A
TDM/SDOUT B
PCM Data Ouput/
Serial Clock Input
Header, J4
LRCK INPUT SCLK INPUT
TDM IN
CS8421 B
SDIN Master Input SDOUT
Slave Output
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Copyright © Cirrus Logic, Inc. 2005
(All Rights Reserved)
MAY ‘05
DS563RD1