Cirrus Logic CRD5381 - Manual

Copyright © Cirrus Logic, Inc. 2005
(All Rights Reserved) http://www.cirrus.com
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
CS5381 A
Quad Speed
Slave Mode
CS5381 B
Quad Speed
Slave Mode
CS8421 A
Master Input
Slave Ouput
CS8421 B
Master Input
Slave Output
Differential Analog
Inputs 1-4
TDM ENABLE
TDM/SDOUT B
SDOUT A
2 2
2 2
LEFT
RIGHT
RIGHT
LEFT
PCM Data Ouput/
Serial Clock Input
Header, J4
TDM IN
LRCK INPUT SCLK INPUT
SDOUT
SDOUT SDIN
SDIN
SDOUT
SDOUT
MAY ‘05
DS563RD1
CRD5381