CS5530
DS742F3
3
LIST OF FIGURES
Figure 1. SDI Write Timing (Not to Scale)............................................................................... 10
Figure 2. SDO Read Timing (Not to Scale)............................................................................. 10
Figure 3. Front End Configuration........................................................................................... 11
Figure 4. Input Model for AIN+ and AIN- Pins......................................................................... 11
Figure 5. Measured Voltage Noise Density............................................................................. 12
Figure 5. Measured Voltage Noise Density............................................................................. 12
Figure 6. CS5530 Register Diagram ....................................................................................... 13
Figure 7. Command and Data Word Timing ........................................................................... 16
Figure 8. Input Reference Model when VRS = 1 .................................................................... 18
Figure 9. Input Reference Model when VRS = 0 .................................................................... 18
Figure 10. System Calibration of Offset .................................................................................. 22
Figure 11. System Calibration of Gain .................................................................................... 22
Figure 12. Synchronizing Multiple ADCs................................................................................. 25
Figure 13. Digital Filter Response (Word Rate = 60 Sps) ....................................................... 27
Figure 14. 120 Sps Filter Magnitude Plot to 120 Hz ............................................................... 27
Figure 15. 120 Sps Filter Phase Plot to 120 Hz ...................................................................... 27
Figure 16. Z-Transforms of Digital Filters................................................................................ 27
Figure 17. On-chip Oscillator Model........................................................................................ 28
Figure 18. CS5530 Configured with a 5 V Supply ..................................................... 29
Figure 19. CS5530 Configured with ±2.5 V Analog Supplies.................................................. 29
Figure 20. CS5530 Configured with ±3 V Analog Supplies..................................................... 30
LIST OF TABLES
Table 1. Conversion Timing for Single Mode .......................................................................... 24
Table 2. Conversion Timing for Continuous Mode.................................................................. 24
Table 3. Output Coding ........................................................................................................... 25