CS5532-BS Cirrus Logic Inc, CS5532-BS Datasheet - Page 4

• Manufacturer Part Number: CS5532-BS
• Description: IC, ADC, 24BIT, 3.84KSPS, SSOP-20
• Manufacturer: Cirrus Logic Inc

Specifications of CS5532-BS

• Resolution (bits): 24bit
• Sampling Rate: 3.84kSPS
• Input Channel Type: Differential
• Data Interface: 3-Wire, Serial
• Supply Current: 13mA
• Digital Ic Case Style: SSOP
• No. Of Pins: 20
• Rohs Compliant: No

LIST OF FIGURES
LIST OF TABLES
4
Figure 1. SDI Write Timing (Not to Scale) ...............................................................................13
Figure 2. SDO Read Timing (Not to Scale) .............................................................................13
Figure 3. Multiplexer Configuration .........................................................................................14
Figure 4. Input models for AIN+ and AIN- pins .......................................................................15
Figure 5. Measured Voltage Noise Density .............................................................................15
Figure 6. CS5531/32/33/34 Register Diagram ........................................................................16
Figure 7. Command and Data Word Timing............................................................................24
Figure 8. Guard Signal Shielding Scheme ..............................................................................26
Figure 9. Input Reference Model when VRS = 1.....................................................................27
Figure 10. Input Reference Model when VRS = 0...................................................................27
Figure 11. Self Calibration of Offset ........................................................................................34
Figure 12. Self Calibration of Gain ..........................................................................................34
Figure 13. System Calibration of Offset ..................................................................................34
Figure 14. System Calibration of Gain ....................................................................................34
Figure 15. Synchronizing Multiple ADCs.................................................................................38
Figure 16. Digital Filter Response (Word Rate = 60 Sps) .......................................................40
Figure 17. 120 Sps Filter Magnitude Plot to 120 Hz................................................................40
Figure 18. 120 Sps Filter Phase Plot to 120 Hz ......................................................................40
Figure 19. Z-Transforms of Digital Filters ................................................................................40
Figure 20. On-chip Oscillator Model........................................................................................41
Figure 21. CS5532 Configured with a Single +5 V Supply......................................................42
Figure 22. CS5532 Configured with ±2.5 V Analog Supplies..................................................43
Figure 23. CS5532 Configured with ±3 V Analog Supplies .....................................................43
Figure 24. CS5532 Configured for Thermocouple Measurement ...........................................44
Figure 25. Bridge with Series Resistors ..................................................................................44
Table 1. Conversion Timing for Single Mode ..........................................................................36
Table 2. Conversion Timing for Continuous Mode ..................................................................37
Table 3. Command Byte Pointer .............................................................................................37
Table 4. Output Coding for 16-bit CS5531 and CS5533 .........................................................39
Table 5. Output Coding for 24-bit CS5532 and CS5534 .........................................................39
CS5531/32/33/34
DS289PP5