ZSSC3131 Datasheet

© 2016 Integrated Device Technology, Inc.

3

January 25, 2016

Contents

1

Electrical Characteristics ...............................................................................................................................5

1.1.

Absolute Maximum Ratings....................................................................................................................5

1.2.

Operating Conditions ..............................................................................................................................5

1.3.

Electrical Parameters .............................................................................................................................6

1.3.1.

Supply Current and System Operation Conditions ..........................................................................6

1.3.2.

Analog Front-End (AFE) Characteristics .........................................................................................6

1.3.3.

Temperature Measurement .............................................................................................................6

1.3.4.

A/D Conversion ................................................................................................................................6

1.3.5.

DAC and Analog Output ..................................................................................................................7

1.3.6.

System Response ............................................................................................................................7

1.4.

Interface Characteristics and EEPROM .................................................................................................9

1.4.1.

I²C

TM Interface ..................................................................................................................................9

1.4.2.

ZACwire™ One-Wire Interface (OWI) .............................................................................................9

1.4.3.

EEPROM..........................................................................................................................................9

2

Circuit Description .......................................................................................................................................10

2.1.

Signal Flow ...........................................................................................................................................10

2.2.

Application Modes ................................................................................................................................11

2.3.

Analog Front-End (AFE) .......................................................................................................................11

2.3.1.

Programmable Gain Amplifier (PGA).............................................................................................11

2.3.2.

Offset Compensation .....................................................................................................................12

2.3.3.

Measurement Cycle .......................................................................................................................12

2.3.4.

Analog-to-Digital Converter............................................................................................................13

2.4.

Temperature Measurement ..................................................................................................................14

2.5.

System Control and Conditioning Calculation ......................................................................................14

2.5.1.

General Working Modes ................................................................................................................14

2.5.2.

Startup Phase ...............................................................................................................................14

2.5.3.

Conditioning Calculation ................................................................................................................15

2.6.

Analog or Digital Output .......................................................................................................................15

2.7.

Serial Digital Interface ..........................................................................................................................16

2.8.

Failsafe Features ..................................................................................................................................16

2.9.

High Voltage, Reverse Polarity, and Short Circuit Protection ..............................................................16

3

Application Circuit Examples.......................................................................................................................17

4

Pin Configuration and Package...................................................................................................................18

5

ESD Protection ............................................................................................................................................19

6

Quality and Reliability..................................................................................................................................19

7

Customization..............................................................................................................................................19

8

Ordering Information ...................................................................................................................................20

9

Related Documents.....................................................................................................................................21

10 Glossary ......................................................................................................................................................21

11 Document Revision History .........................................................................................................................23