ZSSC3170EA2-R datasheet, PDF - EEWORLD Datasheet

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ZSSC3170EA2-R: DescriptionSensor Interface Sensor Signal Conditoner; Categorysemiconductor Analog mixed-signal IC; File Size924KB，32 Pages; ManufacturerIDT (Integrated Device Technology); Environmental Compliance

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ZSSC3170EA2-R Overview

Sensor Interface Sensor Signal Conditoner

ZSSC3170EA2-R Parametric

Parameter Name	Attribute value
Product Attribute	Attribute Value
Manufacturer	IDT (Integrated Device Technology)
Product Category	Sensor Interface
RoHS	Details
Mounting Style	SMD/SMT
Package / Case	SSOP-20
Packaging	Cut Tape
Packaging	MouseReel
Packaging	Reel
Moisture Sensitive	Yes
Factory Pack Quantity	2000
Unit Weight	0.016000 oz

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Data Sheet

Rev. 2.50 / December 2014

ZSSC3170

Automotive Sensor Signal Conditioner

with LIN and PWM Interface

Automotive ICs

Adaptable and Rugged

ZSSC3170

Automotive Sensor Signal Conditioner with LIN & PWM Interface

Contents

ZSSC3170 Characteristics ............................................................................................................ 6

1.1

1.2

1.3

1.4

1.5

2.1

2.2

2.3

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

Operating Conditions............................................................................................................... 7

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

Interface Characteristics ........................................................................................................ 12

EEPROM .............................................................................................................................. 12

Signal Flow and Block Diagram ............................................................................................. 13

Application Modes ................................................................................................................. 14

Analog Front End (AFE) ........................................................................................................ 15

Programmable Gain Amplifier (PGA) ............................................................................... 15

Offset Compensation ....................................................................................................... 15

Analog-to-Digital Converter ............................................................................................. 16

Circuit Description ....................................................................................................................... 13

2.3.1

2.3.2

2.3.3

2.4

2.5

Temperature Measurement ................................................................................................... 18

System Control and Conditioning Calculation ........................................................................ 19

Operating Modes ............................................................................................................. 19

Start-Up Phase ................................................................................................................ 19

Measurement Cycle ......................................................................................................... 20

Conditioning Calculation .................................................................................................. 21

PWM Outputs HOUT and LOUT ...................................................................................... 21

LIN Output ....................................................................................................................... 22

2.5.1

2.5.2

2.5.3

2.5.4

2.6

2.6.1

2.6.2

2.7

2.8

2.9

3.1

3.2

4.1

4.2

4.3

Signal Outputs....................................................................................................................... 21

Digital Test and Calibration Interface ..................................................................................... 22

Diagnostic and Failsafe Features, Watchdog, and Error Detection ........................................ 22

High Voltage, Reverse Polarity, and Short Circuit Protection ................................................. 22

Application Circuit Examples ................................................................................................. 23

Dimensioning of External Components.................................................................................. 24

Die Pad Definitions and Configuration ................................................................................... 25

SSOP20 Package ................................................................................................................. 26

DFN20 Package .................................................................................................................... 28

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

Application Circuit Examples and External Components ............................................................. 23

Pinout and Package Options ....................................................................................................... 25

Data Sheet

December 10, 2014

4 of 32

ZSSC3170

Automotive Sensor Signal Conditioner with LIN & PWM Interface

ESD Protection and EMC Specification ....................................................................................... 29

Reliability and RoHS Conformity ................................................................................................. 29

Ordering Information ................................................................................................................... 29

Related Documents ..................................................................................................................... 30

Glossary ...................................................................................................................................... 30

10 Document Revision History ......................................................................................................... 32

List of Figures

Figure 2.1 Block Diagram of ZSSC3170 .......................................................................................... 13

Figure 2.2 Measurement Cycle ........................................................................................................ 20

Figure 3.1 Application Circuit in PWM Mode with Low-Side Switch .................................................. 23

Figure 3.2 Application Circuit in PWM Mode with High-Side Switch ................................................. 23

Figure 3.3 Application Circuit in LIN Mode........................................................................................ 24

Figure 4.1 Die Pad Configuration ..................................................................................................... 25

Figure 4.2 SSOP20 Package Drawing ............................................................................................. 27

Figure 4.3 DFN20 Package Drawing ................................................................................................ 28

List of Tables

Table 1.1

Table 1.2

Table 1.3

Table 1.4

Table 1.5

Table 2.1

Table 2.2

Table 2.3

Table 2.4

Table 2.5

Table 3.1

Table 4.1

Table 4.2

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

Operating Conditions......................................................................................................... 7

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

Interface Characteristics .................................................................................................. 12

EEPROM ........................................................................................................................ 12

Configuration for Application Modes ................................................................................ 14

Adjustable Gain Stages, Corresponding Sensor Signal Spans, and Common Mode Ranges

........................................................................................................................................ 15

Bridge Sensor Offset Shift Ranges .................................................................................. 16

A/D Resolution and Conversion Time in PWM Modes ..................................................... 17

A/D Resolution and Conversion Time in LIN Modes ........................................................ 17

Dimensioning of External Components for Application Examples .................................... 24

Die Pad Definitions for ZSSC3170 .................................................................................. 25

Pin Definition of SSOP20 Package .................................................................................. 26

Data Sheet

December 10, 2014

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

5 of 32

ZSSC3170EA2-R Related Products

	ZSSC3170EA2-R	ZSSC3170DA2-R
Description	Sensor Interface Sensor Signal Conditoner	Sensor Interface Sensor Signal Conditoner
Product Attribute	Attribute Value	Attribute Value
Manufacturer	IDT (Integrated Device Technology)	IDT (Integrated Device Technology)
Product Category	Sensor Interface	Sensor Interface
RoHS	Details	Details
Mounting Style	SMD/SMT	SMD/SMT
Package / Case	SSOP-20	SSOP-20
Moisture Sensitive	Yes	Yes
Unit Weight	0.016000 oz	0.016000 oz
Packaging	Reel	Reel

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