Cirrus Logic CS4245 User Manual
Cs4245, D/a features, A/d features
Table of contents
Document Outline
- 1. Pin Descriptions
- 2. Characteristics and Specifications
- Specified Operating Conditions
- Absolute Maximum Ratings
- DAC Analog Characteristics
- DAC Combined Interpolation & On-Chip Analog FIlter Response
- ADC Analog Characteristics
- ADC Analog Characteristics
- ADC Digital Filter Characteristics
- Auxiliary Output Analog Characteristics
- Auxiliary Output Analog Characteristics
- Auxiliary Output Analog Characteristics
- DC Electrical Characteristics
- Digital Interface Characteristics
- Switching Characteristics - Serial Audio Port 1
- Switching Characteristics - Serial Audio Port 2
- Switching Characteristics - Control Port - I·C Format
- Switching Characteristics - Control Port - SPI Format
- 3. Typical Connection Diagram
- 4. Applications
- 4.1 Recommended Power-Up Sequence
- 4.2 System Clocking
- 4.3 High-Pass Filter and DC Offset Calibration
- 4.4 Analog Input Multiplexer, PGA, and Mic Gain
- 4.5 Input Connections
- 4.6 Output Connections
- 4.7 Output Transient Control
- 4.8 Auxiliary Analog Output
- 4.9 De-Emphasis Filter
- 4.10 Internal Digital Loopback
- 4.11 Mute Control
- 4.12 Control Port Description and Timing
- 4.13 Interrupts and Overflow
- 4.14 Reset
- 4.15 Synchronization of Multiple Devices
- 4.16 Grounding and Power Supply Decoupling
- 5. Register Quick Reference
- 6. Register Description
- 6.1 Chip ID - Register 01h
- 6.2 Power Control - Address 02h
- 6.3 DAC Control - Address 03h
- 6.4 ADC Control - Address 04h
- 6.5 MCLK Frequency - Address 05h
- 6.6 Signal Selection - Address 06h
- 6.7 Channel B PGA Control - Address 07h
- 6.8 Channel A PGA Control - Address 08h
- 6.9 ADC Input Control - Address 09h
- 6.10 DAC Channel A Volume Control - Address 0Ah
- 6.11 DAC Channel B Volume Control - Address 0Bh
- 6.12 DAC Control 2 - Address 0Ch
- 6.13 Interrupt Status - Address 0Dh
- 6.14 Interrupt Mask - Address 0Eh
- 6.15 Interrupt Mode MSB - Address 0Fh
- 6.16 Interrupt Mode LSB - Address 10h
- 7. Parameter Definitions
- 8. DAC Filter Plots
- Figure 21. DAC Single-Speed Stopband Rejection
- Figure 22. DAC Single-Speed Transition Band
- Figure 23. DAC Single-Speed Transition Band
- Figure 24. DAC Single-Speed Passband Ripple
- Figure 25. DAC Double-Speed Stopband Rejection
- Figure 26. DAC Double-Speed Transition Band
- Figure 27. DAC Double-Speed Transition Band
- Figure 28. DAC Double-Speed Passband Ripple
- Figure 29. DAC Quad-Speed Stopband Rejection
- Figure 30. DAC Quad-Speed Transition Band
- Figure 31. DAC Quad-Speed Transition Band
- Figure 32. DAC Quad-Speed Passband Ripple
- 9. ADC Filter Plots
- Figure 33. ADC Single-Speed Stopband Rejection
- Figure 34. ADC Single-Speed Stopband Rejection
- Figure 35. ADC Single-Speed Transition Band (Detail)
- Figure 36. ADC Single-Speed Passband Ripple
- Figure 37. ADC Double-Speed Stopband Rejection
- Figure 38. ADC Double-Speed Stopband Rejection
- Figure 39. ADC Double-Speed Transition Band (Detail)
- Figure 40. ADC Double-Speed Passband Ripple
- Figure 41. ADC Quad-Speed Stopband Rejection
- Figure 42. ADC Quad-Speed Stopband Rejection
- Figure 43. ADC Quad-Speed Transition Band (Detail)
- Figure 44. ADC Quad-Speed Passband Ripple
- 10. Package Dimensions
- 11. Thermal Characteristics and Specifications
- 12. Ordering Information
- 13. Revision History