CS4218 Datasheet, PDF (2/44 Pages) Cirrus Logic – 16-Bit Stereo Audio Codec

CS4218
Contents
Description
Cover . . . . . . . . . . . . . . . . . . . . 1
Contents . . . . . . . . . . . . . . . . . . . 2
Recommended Operating Conditions . . . . . . . . . . . . 3
Analog Input Characteristics . . . . . . . . . . . . . . 3
Analog Output Characteristics . . . . . . . . . . . . . 4
Switching Characteristics . . . . . . . . . . . . . . . 5
Digital Characteristics . . . . . . . . . . . . . . . . 7
A/D Decimation Filter Characteristics . . . . . . . . . . . . 8
D/A Interpolation Characteristics . . . . . . . . . . . . . 8
Absolute Maximum Ratings . . . . . . . . . . . . . . 8
Filter Response Plots . . . . . . . . . . . . . . . . 9
Typical Connection Diagram . . . . . . . . . . . . . . 11
Overview . . . . . . . . . . . . . . . . . . . 12
Functional Description . . . . . . . . . . . . . . . 12
- Analog Inputs and Outputs . . . . . . . . . . . . . 12
- Offset Calibration . . . . . . . . . . . . . . . 13
- Input Gain and Output Level Setting . . . . . . . . . . 13
- Muting and the ADC Valid Counter . . . . . . . . . . . 13
- Parallel Digital I/O Pins . . . . . . . . . . . . . . 13
- Reset and Power Down Modes . . . . . . . . . . . . 13
- Audio Serial Interface . . . . . . . . . . . . . . 14
Serial Interface Modes . . . . . . . . . . . . . . . 15
- Serial Mode 3 . . . . . . . . . . . . . . . . 15
- Serial Mode 4 . . . . . . . . . . . . . . . . 22
- Serial Mode 5 . . . . . . . . . . . . . . . . 25
Power Supply and Grounding . . . . . . . . . . . . . . 26
Pin Diagrams and Descriptions . . . . . . . . . . . . . 29
Package Information . . . . . . . . . . . . . . . . 35
Parameter Definitions . . . . . . . . . . . . . . . . 36
Appendix A: CS4218 Compatibility with the CS4216 . . . . . . . . 38
Appendix B: Applications of Serial Mode 4 (SM4) . . . . . . . . 40
Appendix C: Setting CLKIN/SCLK Ratio for Desired Sample Rate . . . . 43
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DS135F1