CS5528-AP Ver la hoja de datos (PDF) - Cirrus Logic

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CS5528-AP

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

Cirrus Logic 

CS5521/22/23/24/28

2.2.8.4 Charge Pump Disable ......................................................................... 29

2.2.8.5 Reset System Control Bits .................................................................. 29

2.2.8.6 Data Conversion Error Flags .............................................................. 29

2.3 Calibration ....................................................................................................................... 31

2.3.1 Self Calibration .................................................................................................... 31

2.3.2 System Calibration .............................................................................................. 32

2.3.3 Calibration Tips ................................................................................................... 34

2.3.4 Limitations in Calibration Range ......................................................................... 34

2.4 Performing Conversions and Reading the Data Conversion FIFO .................................. 34

2.4.1 Conversion Protocol ............................................................................................ 35

2.4.1.1 Single, One-Setup Conversion ........................................................... 35

2.4.1.2 Repeated One-Setup Conversions without Wait ................................ 35

2.4.1.3 Repeated One-Setup Conversions with Wait ..................................... 36

2.4.1.4 Single, Multiple-Setup Conversions .................................................... 36

2.4.1.5 Repeated Multiple-Setup Conversions without Wait ........................... 37

2.4.1.6 Repeated Multiple-Setup Conversions with Wait ................................ 37

2.4.2 Calibration Protocol ............................................................................................. 38

2.4.3 Example of Using the CSRs to Perform Conversions and Calibrations .............. 38

2.5 Conversion Output Coding .............................................................................................. 40

2.5.1 Conversion Data FIFO Descriptions ................................................................... 41

2.6 Digital Filter ..................................................................................................................... 42

2.7 Clock Generator .............................................................................................................. 42

2.8 Power Supply Arrangements ........................................................................................... 43

2.8.1 Charge Pump Drive Circuits ............................................................................... 45

2.9 Digital Gain Scaling ........................................................................................................ 45

2.10 Getting Started .............................................................................................................. 46

2.11 PCB Layout ................................................................................................................... 47

3. PIN DESCRIPTIONS .............................................................................................................. 48

3.1 Clock Generator .............................................................................................................. 49

3.2 Control Pins and Serial Data I/O ..................................................................................... 49

3.3 Measurement and Reference Inputs ............................................................................... 49

3.4 Power Supply Connections ............................................................................................. 50

4. SPECIFICATION DEFINITIONS ............................................................................................. 51

5. ORDERING GUIDE ................................................................................................................ 51

6. PACKAGE DIMENSION DRAWINGS ................................................................................... 52

DS317F2

3

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