ZSSC3224 Datasheet

© 2016 Integrated Device Technology, Inc

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October 24, 2016

3.7.3.

Calibration Step 3a) – Coefficient Calculations ..................................................................................................................41

3.7.4.

Calibration Step 3b) – Post-Calibration Offset Correction ..................................................................................................41

3.7.5.

SSC Measurements ...........................................................................................................................................................41

3.8. The Calibration Math .........................................................................................................................................................................42

3.8.1.

Bridge Signal Compensation ..............................................................................................................................................42

3.8.2.

Temperature Signal Compensation....................................................................................................................................44

3.8.3.

Measurement Output Data Format.....................................................................................................................................45

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Package Information and Pad Assignments...............................................................................................................................................46

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Quality and Reliability .................................................................................................................................................................................49

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Ordering Sales Codes ................................................................................................................................................................................49

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Related Documents....................................................................................................................................................................................50

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Glossary .....................................................................................................................................................................................................50

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Document Revision History ........................................................................................................................................................................51

Table of Figures

Figure 2.1 ZSSC3224 Functional Block Diagram with Resistive-Bridge Sensor .............................................................................................10

Figure 2.2 ZSSC3224 Functional Block Diagram with Voltage-Source Sensor...............................................................................................11

Figure 2.3 ADC Gain and Offset Setup ...........................................................................................................................................................16

Figure 3.1 Interrupt Functionality .....................................................................................................................................................................20

Figure 3.2 Operational Flow Chart: Power Up.................................................................................................................................................22

Figure 3.3 Operational Flow Chart: Command Mode and Normal Mode (Sleep and Cyclic) ..........................................................................23

Figure 3.4 SPI Configuration CPHA=0 ............................................................................................................................................................28

Figure 3.5 SPI Configuration CPHA=1 ............................................................................................................................................................28

Figure 3.6 SPI Command Request..................................................................................................................................................................29

Figure 3.7 SPI Read Status.............................................................................................................................................................................29

Figure 3.8 SPI Read Data................................................................................................................................................................................29

Figure 3.9 I2C Command Request...................................................................................................................................................................30

Figure 3.10 I2C Read Status..............................................................................................................................................................................30

Figure 3.11 I2C Read Data ................................................................................................................................................................................30

Figure 4.1 ZSSC3224 Pad Placement.............................................................................................................................................................46

Figure 4.2 General PQFN24 Package Dimensions .........................................................................................................................................48