ZSSC3154BE2R datasheet, PDF - EEWORLD Datasheet

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ZSSC3154BE2R: DescriptionSensor Interface Sensor Signl Condtnr w/ Dual Analog Out; Categorysemiconductor Analog mixed-signal IC; File Size783KB，29 Pages; ManufacturerIDT (Integrated Device Technology, Inc.); Websitehttp://www.idt.com/

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Sensor Interface Sensor Signl Condtnr w/ Dual Analog Out

ZSSC3154BE2R Parametric

Parameter Name	Attribute value
Product Attribute	Attribute Value
Manufacturer	IDT (Integrated Device Technology, Inc.)
Product Category	Sensor Interface
RoHS	Details
Mounting Style	SMD/SMT
Package / Case	TSSOP-14
Packaging	Reel
Moisture Sensitive	Yes
NumOfPackaging	1
Factory Pack Quantity	5000
Unit Weight	0.004949 oz

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Data Sheet

Rev. 1.41 / August 2014

ZSSC3154

Automotive Sensor Signal Conditioner

with

Dual Analog Output

Multi-Market Sensing Platforms

Precise and Deliberate

ZSSC3154

Automotive Sensor Signal Conditioner with Dual Analog Output

Contents

Electrical Characteristics .................................................................................................................................. 6

1.1

1.2

1.3

Absolute Maximum Ratings ....................................................................................................................... 6

Operating Conditions ................................................................................................................................. 6

Electrical Parameters ................................................................................................................................ 7

Supply Current and System Operation Conditions ............................................................................. 7

Analog Front-End Characteristics ....................................................................................................... 7

Temperature Measurement ................................................................................................................ 8

Sensor Diagnostic Tasks .................................................................................................................... 8

A/D Conversion ................................................................................................................................... 9

D/A Conversion and Analog Outputs (Pins AOUT1 and AOUT2) ...................................................... 9

System Response ............................................................................................................................. 10

I2C

1.3.1

1.3.2

1.3.3

1.3.4

1.3.5

1.3.6

1.3.7

1.4

1.4.1

1.4.2

1.4.3

2.1

2.2

2.3

Interface Characteristics and EEPROM .................................................................................................. 11

Interface .................................................................................................................................. 11

ZACwire

One Wire Interface .......................................................................................................... 11

EEPROM ........................................................................................................................................... 11

Circuit Description .......................................................................................................................................... 12

Signal Flow .............................................................................................................................................. 12

Application Modes ................................................................................................................................... 13

System Control ........................................................................................................................................ 14

Main System Tasks ........................................................................................................................... 14

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

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

Measurement Cycle .......................................................................................................................... 15

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

2.3.1

2.3.2

2.4

2.4.1

2.4.2

2.4.3

2.5

2.6

2.7

2.8

Normal Operation Mode .......................................................................................................................... 14

Bridge Sensor Measurement ................................................................................................................... 16

Temperature Measurement ..................................................................................................................... 16

Half-Bridge Sensor Measurement ........................................................................................................... 16

Analog Front End ..................................................................................................................................... 17

Programmable Gain Amplifier ........................................................................................................... 17

Offset Compensation ........................................................................................................................ 18

Analog-to-Digital Converter ............................................................................................................... 19

2.8.1

2.8.2

2.8.3

Data Sheet

August 27, 2014

the prior written consent of the copyright owner. The information furnished in this publication is subject to changes without notice.

4 of 29

ZSSC3154

Automotive Sensor Signal Conditioner with Dual Analog Output

2.9

Signal Outputs ......................................................................................................................................... 19

Analog Output ................................................................................................................................... 19

Sequential Analog Output ................................................................................................................. 20

Digital Output .................................................................................................................................... 20

2.9.1

2.9.2

2.9.3

2.10 Serial Digital Interfaces ............................................................................................................................ 20

2.11 Failsafe Features ..................................................................................................................................... 21

2.12 Overvoltage and Short Circuit Protection ................................................................................................ 21

Application Circuits and External Components .............................................................................................. 22

3.1

3.2

Application Circuit Examples ................................................................................................................... 22

External Components .............................................................................................................................. 23

ESD Protection and EMC Specification ......................................................................................................... 23

Pin Configuration and Package ...................................................................................................................... 24

Reliability and RoHS Conformity .................................................................................................................... 26

Ordering Information ...................................................................................................................................... 26

Related Documents ........................................................................................................................................ 26

Glossary ......................................................................................................................................................... 27

10 Document Revision History ............................................................................................................................ 28

List of Figures

Figure 2.1

Figure 2.2

Figure 2.3

Figure 3.1

Figure 3.2

Figure 5.1

Block Diagram of the ZSSC3154 ...................................................................................................... 12

Example of Measurement Cycle with Bridge Sensor Signal and Temperature Measurement ........ 15

Sequential Analog Output—Example Sequence if the DFBH Pin is Unconnected .......................... 20

Application Circuit with Two Analog Outputs and Diagnostic Fault Band Level Low ....................... 22

Application Circuit with Two Analog Outputs and Diagnostic Fault Band Level High ...................... 22

Pin Map and Pad Position of the ZSSC3154 .................................................................................... 25

List of Tables

Table 1.1

Table 1.2

Table 1.3

Table 1.4

Table 2.1

Table 2.2

Table 2.3

Table 3.1

Table 5.1

Absolute Maximum Ratings ................................................................................................................ 6

Operating Conditions .......................................................................................................................... 6

Electrical Parameters .......................................................................................................................... 7

Interface Characteristics and EEPROM ........................................................................................... 11

Adjustable Gains and Resulting Sensor Signal Spans and Common Mode Ranges ...................... 17

Extended Analog Offset Compensation Ranges (XZC) ................................................................... 18

ADC Resolution versus Output Resolution and Sample Rate .......................................................... 19

Dimensioning of External Components for the Application Examples ............................................. 23

Pin Configuration .............................................................................................................................. 24

Data Sheet

August 27, 2014

the prior written consent of the copyright owner. The information furnished in this publication is subject to changes without notice.

5 of 29

ZSSC3154BE2R Related Products

	ZSSC3154BE2R	ZSSC3154EA2-T
Description	Sensor Interface Sensor Signl Condtnr w/ Dual Analog Out	Sensor Interface Sensor Signal Conditoner
Product Attribute	Attribute Value	Attribute Value
Manufacturer	IDT (Integrated Device Technology, Inc.)	IDT (Integrated Device Technology, Inc.)
Product Category	Sensor Interface	Sensor Interface
RoHS	Details	Details
Mounting Style	SMD/SMT	SMD/SMT
Package / Case	TSSOP-14	TSSOP-14
Packaging	Reel	Tube
Moisture Sensitive	Yes	Yes
Factory Pack Quantity	5000	77
Unit Weight	0.004949 oz	0.004949 oz

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