CDB4398 Cirrus Logic Inc, CDB4398 Datasheet - Page 4

• Manufacturer Part Number: CDB4398
• Description: BOARD EVAL FOR CS4398 DAC
• Manufacturer: Cirrus Logic Inc

Specifications of CDB4398

• Number Of Dac's: 2
• Number Of Bits: 24
• Outputs And Type: 2, Differential
• Sampling Rate (per Second): 192k
• Data Interface: I²C, SPI™
• Dac Type: Voltage
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -10°C ~ 70°C
• Utilized Ic / Part: CS4398
• Description/function: Audio D/A
• Operating Supply Voltage: 5 V
• Product: Audio Modules
• For Use With/related Products: CS4398
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1155

4
LIST OF FIGURES
Figure 1. Pinout Drawing................................................................................................................. 6
Figure 2. Serial Mode Input Timing ............................................................................................... 12
Figure 3. Format 0 - Left-Justified up to 24-bit Data ..................................................................... 13
Figure 4. Format 1 - I²S up to 24-bit Data ..................................................................................... 13
Figure 5. Format 2, Right-Justified 16-Bit Data.
Figure 6. Direct Stream Digital - Serial Audio Input Timing........................................................... 14
Figure 7. Direct Stream Digital - Serial Audio Input Timing for Phase Modulation Mode.............. 14
Figure 8. Control Port Timing - I²C Format.................................................................................... 15
Figure 9. Control Port Timing - SPI Format (Read/Write) ............................................................. 16
Figure 10. Typical Connection Diagram........................................................................................ 19
Figure 11. Recommended Output Filter........................................................................................ 20
Figure 12. Recommended Mute Circuitry ..................................................................................... 21
Figure 13. DSD Phase Modulation Mode Diagram ....................................................................... 24
Figure 14. Control Port Timing, I²C Format................................................................................... 26
Figure 15. Control Port Timing, SPI Format (Write) ...................................................................... 27
Figure 16. Control Port Timing, SPI Format (Read)...................................................................... 27
Figure 17. De-Emphasis Curve..................................................................................................... 30
Figure 18. ATAPI Block Diagram .................................................................................................. 31
Figure 19. 28L TSSOP (4.4 mm Body) Package Drawing ............................................................ 40
Figure 20. Single-Speed (fast) Stopband Rejection...................................................................... 41
Figure 21. Single-Speed (fast) Transition Band ............................................................................ 41
Figure 22. Single-Speed (fast) Transition Band (detail) ................................................................ 41
Figure 23. Single-Speed (fast) Passband Ripple .......................................................................... 41
Figure 24. Single-Speed (slow) Stopband Rejection .................................................................... 41
Figure 25. Single-Speed (slow) Transition Band........................................................................... 41
Figure 26. Single-Speed (slow) Transition Band (detail)............................................................... 42
Figure 27. Single-Speed (slow) Passband Ripple......................................................................... 42
Figure 28. Double-Speed (fast) Stopband Rejection .................................................................... 42
Figure 29. Double-Speed (fast) Transition Band........................................................................... 42
Figure 30. Double-Speed (fast) Transition Band (detail)............................................................... 42
Figure 31. Double-Speed (fast) Passband Ripple......................................................................... 42
Figure 32. Double-Speed (slow) Stopband Rejection ................................................................... 43
Figure 33. Double-Speed (slow) Transition Band ......................................................................... 43
Figure 34. Double-Speed (slow) Transition Band (detail) ............................................................. 43
Figure 35. Double-Speed (slow) Passband Ripple ....................................................................... 43
Figure 36. Quad-Speed (fast) Stopband Rejection ....................................................................... 43
Figure 37. Quad-Speed (fast) Transition Band ............................................................................. 43
Figure 38. Quad-Speed (fast) Transition Band (detail) ................................................................. 44
Figure 39. Quad-Speed (fast) Passband Ripple ........................................................................... 44
Figure 40. Quad-Speed (slow) Stopband Rejection...................................................................... 44
Figure 41. Quad-Speed (slow) Transition Band............................................................................ 44
Figure 42. Quad-Speed (slow) Transition Band (detail)................................................................ 44
Figure 43. Quad-Speed (slow) Passband Ripple.......................................................................... 44
Format 3, Right-Justified 24-Bit Data.
Format 4, Right-Justified 20-Bit Data. (Available in Control Port Mode only)
Format 5, Right-Justified 18-Bit Data. (Available in Control Port Mode only) ................ 13
CS4398
DS568F1