CS5521-AP Ver la hoja de datos (PDF) - Cirrus Logic

Número de pieza

componentes Descripción

Lista de partido

CS5521-AP

16-Bit or 24-Bit, 2/4/8-Channel ADCs with PGIA

Cirrus Logic 

CS5521/22/23/24/28

LIST OF FIGURES

Figure 1. Continuous Running SCLK Timing (Not to Scale) ......................................................... 12

Figure 2. SDI Write Timing (Not to Scale) ..................................................................................... 12

Figure 3. SDO Read Timing (Not to Scale) ................................................................................... 12

Figure 4. Multiplexer Configurations.............................................................................................. 13

Figure 5. Input Models for AIN+ and AIN- pins, £(100 mV Input Ranges...................................... 14

Figure 6. Input Models for AIN+ and AIN- pins, >100 mV input ranges ........................................ 14

Figure 7. Input Ranges Greater than 5 V ...................................................................................... 16

Figure 8. Input Model for VREF+ and VREF- Pins........................................................................ 16

Figure 9. CS5523/24 Register Diagram ........................................................................................ 17

Figure 10. Command and Data Word Timing................................................................................ 25

Figure 11. Self Calibration of Offset (Low Ranges)....................................................................... 32

Figure 12. Self Calibration of Offset (High Ranges) ...................................................................... 32

Figure 13. Self Calibration of Gain (All Ranges) ........................................................................... 32

Figure 14. System Calibration of Offset (Low Ranges) ................................................................. 32

Figure 15. System Calibration of Offset (High Ranges) ................................................................ 33

Figure 16. System Calibration of Gain (Low Ranges) ................................................................... 33

Figure 17. System Calibration of Gain (High Ranges) .................................................................. 33

Figure 18. Filter Response (Normalized to Output Word Rate = 1) .............................................. 42

Figure 19. Typical Linearity Error for CS5521/23 .......................................................................... 42

Figure 20. Typical Linearity Error for CS5522/24/28 ..................................................................... 42

Figure 21. CS5522 Configured to use on-chip charge pump to supply NBV ................................ 43

Figure 22. CS5522 Configured for ground-referenced Unipolar Signals....................................... 44

Figure 23. CS5522 Configured for Single Supply Bridge Measurement ....................................... 44

Figure 24. Charge Pump Drive Circuit for VD+ = 3 V.................................................................... 45

Figure 25. Alternate NBV Circuits ................................................................................................. 45

LIST OF TABLES

Table 1. Relationship between Full Scale Input, Gain Factors, and Internal Analog

Signal Limitations ............................................................................................................. 15

Table 2. Command Register Quick Reference.............................................................................. 19

Table 3. Channel-Setup Registers ................................................................................................ 27

Table 4. Configuration Register..................................................................................................... 30

Table 5. Offset and Gain Registers ............................................................................................... 31

Table 6. Output Coding for 16-bit CS5521/23 and 24-bit CS5522/24/28 ...................................... 40

4

DS317F2

Share Link: