ADPD4001 datasheet(2/82 Pages) AD

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ADPD4000/ADPD4001

Data Sheet

Rev. A | Page 2 of 82

TABLE OF CONTENTS

Features .............................................................................................. 1

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

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

Functional Block Diagram .............................................................. 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

Temperature and Power Specifications ..................................... 3

Performance Specifications......................................................... 3

Digital Specifications ................................................................... 5

Timing Specifications .................................................................. 6

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

Thermal Resistance ...................................................................... 8

Recommended Soldering Profile ............................................... 8

ESD Caution.................................................................................. 8

Pin Configurations and Function Descriptions ........................... 9

Typical Performance Characteristics ........................................... 13

Theory of Operation ...................................................................... 15

Introduction ................................................................................ 15

Analog Signal Path ..................................................................... 15

LED Drivers ................................................................................ 16

Determining CVLED...................................................................... 17

Datapath, Decimation, and FIFO............................................. 17

Clocking....................................................................................... 19

Time Stamp Operation .............................................................. 19

Low Frequency Oscillator Calibration .................................... 20

High Frequency Oscillator Calibration ................................... 20

Time Slot Operation .................................................................. 20

Execution Modes........................................................................ 21

Host Interface.............................................................................. 22

Applications Information .............................................................. 25

Operating Mode Overview ....................................................... 25

Single Integration Mode............................................................ 25

Multiple Integration Mode........................................................ 33

Digital Integration Mode........................................................... 34

TIA ADC Mode.......................................................................... 36

Global Configuration Registers................................................ 57

Interrupt Status and Control Registers.................................... 59

Threshold Setup and Control Registers .................................. 66

Clock and Timestamp Setup and Control Registers.............. 67

System Registers ......................................................................... 68

I/O Setup and Control Registers .............................................. 69

Time Slot Configuration Registers........................................... 72

AFE Timing Setup Registers..................................................... 76

LED Control and Timing Registers ......................................... 78

ADC Offset Registers................................................................. 79

Output Data Registers ............................................................... 79

Outline Dimensions....................................................................... 82

Ordering Guide .......................................................................... 82

REVISION HISTORY

6/2019—Revision A: Initial Version

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