CS5531 Просмотр технического описания (PDF) - Cirrus Logic

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CS5531

16-Bit and 24-Bit ADCs with Ultra Low Noise PGIA

Cirrus Logic 

CS5531/32/33/34

2.3.8. Filter Rate Select .................................................................................. 27

2.3.9. Configuration Register Descriptions ..................................................... 28

2.4. Setting up the CSRs for a Measurement ......................................................... 29

2.4.1. Channel-Setup Register Descriptions ................................................. 30

2.5. Calibration ....................................................................................................... 32

2.5.1. Calibration Registers ............................................................................ 32

2.5.2. Gain Register ...................................................................................... 32

2.5.3. Offset Register .................................................................................... 32

2.5.4. Performing Calibrations ........................................................................ 33

2.5.5. Self Calibration ..................................................................................... 33

2.5.6. System Calibration ............................................................................... 34

2.5.7. Calibration Tips .................................................................................... 34

2.5.8. Limitations in Calibration Range ........................................................... 35

2.6. Performing Conversions .................................................................................. 35

2.6.1. Single Conversion Mode ...................................................................... 35

2.6.2. Continuous Conversion Mode .............................................................. 36

2.6.3. Examples of Using CSRs to Perform Conversions and Calibrations ... 37

2.7. Using Multiple ADCs Synchronously ............................................................... 38

2.8. Conversion Output Coding .............................................................................. 38

2.8.1. Conversion Data Output Descriptions .................................................. 39

2.9. Digital Filter ..................................................................................................... 40

2.10. Clock Generator .............................................................................................. 41

2.11. Power Supply Arrangements ........................................................................... 41

2.12. Getting Started ................................................................................................ 45

2.13. PCB Layout ..................................................................................................... 45

3. PIN DESCRIPTIONS ............................................................................................... 46

Clock Generator .............................................................................................. 46

Control Pins and Serial Data I/O ..................................................................... 46

Measurement and Reference Inputs ............................................................... 47

Power Supply Connections ............................................................................. 47

4. SPECIFICATION DEFINITIONS ............................................................................... 48

5. ORDERING GUIDE .................................................................................................. 48

6. PACKAGE DRAWINGS ........................................................................................... 49

DS289PP5

3

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