CS5322(2005) View Datasheet(PDF) - Cirrus Logic

Part Name

Description

Manufacturer

CS5322
(Rev.:2005)

24-bit, Variable-bandwidth A/D Converter Chipset

Cirrus Logic 

CS5321/22

LIST OF FIGURES

Figure 1. Rise and Fall Times ..................................................................................... 6

Figure 2. CS5321 Interface Timing, HBR=1 ............................................................... 6

Figure 3. CS5322 Filter Response ............................................................................. 8

Figure 4. CS5322 Digital Filter Passband Ripple, f0 = 62.5 Hz .................................. 8

Figure 5. CS5322 Digital Filter Passband Ripple, f0 = 125 Hz ................................... 8

Figure 6. CS5322 Digital Filter Passband Ripple, f0 = 250 Hz ................................... 8

Figure 7. CS5322 Digital Filter Passband Ripple, f0 = 500 Hz ................................... 9

Figure 8. CS5322 Digital Filter Passband Ripple, f0 = 1000 Hz ................................. 9

Figure 9. CS5322 Digital Filter Passband Ripple, f0 = 2000 Hz ................................. 9

Figure 10. CS5322 Digital Filter Passband Ripple, f0 = 4000 Hz ............................... 9

Figure 11. CS5322 Impulse Response, f0 = 62.5 Hz .................................................. 9

Figure 12. CS5322 Impulse Response, f0 = 1000 Hz ................................................. 9

Figure 13. CS5322 Serial Port Timing ...................................................................... 11

Figure 14. TDATA Setup/Hold Timing ...................................................................... 12

Figure 15. DRDY Timing .......................................................................................... 13

Figure 16. RESET Timing ......................................................................................... 13

Figure 17. CS5321/CS5322 Interface Timing ........................................................... 14

Figure 18. CS5321 Block Diagram ........................................................................... 16

Figure 19. CS5322 Block Diagram ........................................................................... 17

Figure 20. System Connection Diagram ................................................................... 19

Figure 21. 4.5 Voltage Reference with two filter options .......................................... 20

Figure 22. 1024 Point FFT Plot with -20 dB Input,

100 Hz Input, ten averages 22

Figure 23. 1024 Point FFT Plot with Full Scale Input,

100 Hz Input, HBR = 1, ten averages ............................................. 22

Figure 24. 1024 Point FFT Plot with Full Scale Input,

100 Hz Input, HBR = 0, ten averages ............................................. 22

LIST OF TABLES

Table 1.

Table 2.

Table 3.

Table 4.

Output Coding for the CS5321 and CS5322 Combination ....................... 21

Configuration Data Bits ............................................................................ 25

Status Data (from the SOD Pin) ............................................................... 26

Bandwidth Selection: Truth Table ............................................................ 27

DS454F2

3

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