Cirrus Logic CRD5381 User Manual
Crd5381, Features analog performance, Digital filter characteristics
Copyright
© Cirrus Logic, Inc. 2005
(All Rights Reserved)
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
Document Outline
- 1. System Overview
- 2. Operation
- 3. Block Diagram
- 4. Schematics
- 5. Layout
- 6. References
- 7. Revision History