© 2016 Integrated Device Technology, Inc

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November 14, 2016

ZSC31015 Datasheet

3.1.

General Working Mode ............................................................................................................. 23

3.2.

ZACwire™ Communication Interface........................................................................................ 25

3.2.1. Properties and Parameters ................................................................................................. 25

3.2.2. Bit Encoding ........................................................................................................................ 25

3.2.3. Write Operation from Master to ZSC31015......................................................................... 26

3.2.4. ZSC31015 Read Operations ............................................................................................... 26

3.2.5. High Level Protocol ............................................................................................................. 29

3.3.

Command/Data Bytes Encoding ............................................................................................... 30

3.4.

Calibration Sequence................................................................................................................ 31

3.5.

EEPROM Bits............................................................................................................................ 33

3.6.

Calibration Math ........................................................................................................................ 37

3.6.1. Correction Coefficients ........................................................................................................ 37

3.6.2. Interpretation of Binary Numbers for Correction Coefficients.............................................. 37

3.7.

Reading EEPROM Contents..................................................................................................... 41

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Application Circuit Examples........................................................................................................... 42

4.1.

Three-Wire Rail-to-Rail Ratiometric Output .............................................................................. 42

4.2.

Absolute Analog Voltage Output ............................................................................................... 43

4.3.

Three-Wire Ratiometric Output with Over-Voltage Protection .................................................. 44

4.4.

Digital Output ............................................................................................................................ 44

4.5.

Output Resistor/Capacitor Limits .............................................................................................. 44

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EEPROM Restoration ..................................................................................................................... 45

5.1.

Default EEPROM Contents....................................................................................................... 45

5.1.1. Osc_Trim............................................................................................................................. 45

5.1.2. 1V_Trim/JFET_Trim ............................................................................................................ 45

5.2.

EEPROM Restoration Procedure.............................................................................................. 45

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Pin Configuration and Package....................................................................................................... 47

7

ESD/Latch-Up-Protection ................................................................................................................ 48

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Test ................................................................................................................................................. 48

9

Quality and Reliability...................................................................................................................... 48

10 Customization ................................................................................................................................. 48

11 Part Ordering Codes ....................................................................................................................... 49

12 Related Documents......................................................................................................................... 49

13 Definitions of Acronyms................................................................................................................... 50

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