CS4382 Datasheet, PDF (2/42 Pages) Cirrus Logic – 114 dB, 192 kHz 8-Channel D/A Converter

CS4382
TABLE OF CONTENTS
1. CHARACTERISTICS AND SPECIFICATIONS ........................................................................ 4
ANALOG CHARACTERISTICS ................................................................................................ 4
POWER AND THERMAL CHARACTERISTICS....................................................................... 5
ANALOG FILTER RESPONSE................................................................................................. 6
DIGITAL CHARACTERISTICS ................................................................................................. 7
ABSOLUTE MAXIMUM RATINGS ........................................................................................... 7
RECOMMENDED OPERATING CONDITIONS ....................................................................... 7
SWITCHING CHARACTERISTICS .......................................................................................... 8
DSD - SWITCHING CHARACTERISTICS................................................................................ 9
SWITCHING CHARACTERISTICS - CONTROL PORT - I²C FORMAT ................................ 10
SWITCHING CHARACTERISTICS - CONTROL PORT - SPI™ FORMAT............................ 11
2. REGISTER QUICK REFERENCE .......................................................................................... 14
3. REGISTER DESCRIPTION .................................................................................................... 15
4. PIN DESCRIPTION ................................................................................................................. 24
5. APPLICATIONS ...................................................................................................................... 27
5.1 Grounding and Power Supply Decoupling ....................................................................... 27
5.2 Oversampling Modes ....................................................................................................... 27
5.3 Recommended Power-up Sequence ............................................................................... 27
5.4 Analog Output and Filtering ............................................................................................. 27
5.5 Interpolation Filter ............................................................................................................ 27
5.6 Clock Source Selection .................................................................................................... 28
5.7 Using DSD mode ............................................................................................................. 28
6. CONTROL PORT INTERFACE .............................................................................................. 29
6.1 Enabling the Control Port ................................................................................................. 29
6.2 Format Selection .............................................................................................................. 29
6.3 I²C Format ....................................................................................................................... 29
6.3.1 Writing in I²C Format ........................................................................................... 29
6.3.2 Reading in I²C Format ........................................................................................ 29
6.4 SPI Format ....................................................................................................................... 30
6.4.1 Writing in SPI ...................................................................................................... 30
6.5 Memory Address Pointer (MAP) ................................................................................. 31
7. PARAMETER DEFINITIONS .................................................................................................. 39
8. REFERENCES ........................................................................................................................ 40
9. PACKAGE DIMENSIONS ....................................................................................................... 41
LIST OF FIGURES
Figure 1. Serial Mode Input Timing ................................................................................................. 8
Figure 2. Direct Stream Digital - Serial Audio Input Timing............................................................. 9
Figure 3. Control Port Timing - I²C Format ................................................................................... 10
Figure 4. Control Port Timing - SPI Format................................................................................... 11
Figure 5. Typical Connection Diagram Control Port...................................................................... 12
Figure 6. Typical Connection Diagram Stand-Alone ..................................................................... 13
Figure 7. Control Port Timing, I²C Format..................................................................................... 30
Figure 8. Control Port Timing, SPI Format .................................................................................... 30
Figure 9. Single Speed (fast) Stopband Rejection ........................................................................ 32
Figure 10. Single Speed (fast) Transition Band ............................................................................ 32
Figure 11. Single Speed (fast) Transition Band (detail) ................................................................ 32
Figure 12. Single Speed (fast) Passband Ripple .......................................................................... 32
Figure 13. Single Speed (slow) Stopband Rejection..................................................................... 32
Figure 14. Single Speed (slow) Transition Band ........................................................................... 32
Figure 15. Single Speed (slow) Transition Band (detail) ............................................................... 33
Figure 16. Single Speed (slow) Passband Ripple ......................................................................... 33
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DS514F1