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Version 1.3 | 25 Sep 2017 | 31007AEN

PixArt Imaging Inc. http://www.pixart.com

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PAH8002EP-2P Product Datasheet

Low Power Optical Heart Rate Detection Chip

PixArt Imaging Inc.

Contents

PAH8002EP: Low Power Optical Heart Rate Detection Chip..................................................................................................... 1

General Description ............................................................................................................................................................ 1

Key Features ....................................................................................................................................................................... 1

Applications ........................................................................................................................................................................ 1

Key Parameters ................................................................................................................................................................... 1

Ordering Information.......................................................................................................................................................... 1

List of Figures........................................................................................................................................................................... 3

List of Tables ............................................................................................................................................................................ 3

Introduction................................................................................................................................................................. 5

1.1

Overview ................................................................................................................................................................. 5

1.2

Terminology ............................................................................................................................................................ 5

1.3

Signal Description .................................................................................................................................................... 6

Operating Specifications .............................................................................................................................................. 8

2.1

Absolute Maximum Ratings..................................................................................................................................... 8

2.2

Recommended Operating Conditions ..................................................................................................................... 8

2.3

Thermal Specifications ............................................................................................................................................ 9

2.4

DC Characteristics.................................................................................................................................................... 9

2.5

AC Characteristics.................................................................................................................................................. 10

Mechanical Specifications .......................................................................................................................................... 11

3.1

Mechanical Dimension .......................................................................................................................................... 11

3.2

Package Marking ................................................................................................................................................... 12

System Level Description ........................................................................................................................................... 13

4.1

System Overview ................................................................................................................................................... 13

4.2

Heart Rate Detection............................................................................................................................................. 14

4.3

Reference Schematic............................................................................................................................................. 16

4.4

Design Guidelines .................................................................................................................................................. 17

4.5

Recommend Guideline for PCB Assembly ............................................................................................................. 20

4.6

Package Information ............................................................................................................................................. 21

4.7

IR Touch Detection ................................................................................................................................................ 23

Registers .................................................................................................................................................................... 23

5.1

Registers List.......................................................................................................................................................... 23

Document Revision History .................................................................................................................................................... 25