ZOPT2201 Datasheet

© 2016 Integrated Device Technology, Inc

3

September 2, 2016

Contents

1.

Characteristics..............................................................................................................................................................................................6

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

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

1.3 Electrical and Optical Parameters .......................................................................................................................................................7

2.

Typical Device Parameters...........................................................................................................................................................................9

3.

Detailed Description ...................................................................................................................................................................................13

3.1 Block Diagram of the ZOPT2201.......................................................................................................................................................13

3.2 Application Circuit..............................................................................................................................................................................14

3.3 Pin Description ..................................................................................................................................................................................15

3.4 Device Operation Modes ...................................................................................................................................................................16

3.5 Conversion Control State Machine....................................................................................................................................................18

3.5.1

Start Up after Power-On or Software Reset .......................................................................................................................18

3.6 Light Sensor Sensitivity Configuration...............................................................................................................................................19

3.6.1

Gain Modes, Resolution, and Measurement Time .............................................................................................................19

3.7 UVB Sensor Match to UVI .................................................................................................................................................................21

3.8 Interrupt Features..............................................................................................................................................................................22

3.9 I²C Interface.......................................................................................................................................................................................23

3.9.1

I²C Address Decoding ........................................................................................................................................................23

3.9.2

I²C Register Read...............................................................................................................................................................23

3.9.3

Register Write.....................................................................................................................................................................24

3.9.4

I2C Interface—Bus Timing ..................................................................................................................................................25

3.10 Summary of Internal Registers ..........................................................................................................................................................26

3.11 Detailed Description of Registers ......................................................................................................................................................27

3.11.1 MAIN_CTRL .......................................................................................................................................................................27

3.11.2 LS_MEAS_RATE ...............................................................................................................................................................28

3.11.3 LS_GAIN ............................................................................................................................................................................29

3.11.4 PART_ID ............................................................................................................................................................................30

3.11.5 MAIN_STATUS ..................................................................................................................................................................30

3.11.6 ALS_DATA .........................................................................................................................................................................31

3.11.7 UVB_DATA.........................................................................................................................................................................32

3.11.8 UV_COMP_DATA ..............................................................................................................................................................33

3.11.9 COMP_DATA .....................................................................................................................................................................34

3.11.10 INT_CFG ............................................................................................................................................................................35

3.11.11 INT_PST.............................................................................................................................................................................35

3.11.12 LS_THRES_UP..................................................................................................................................................................36

3.11.13 LS_THRES_LOW...............................................................................................................................................................36

3.11.14 LS_THRES_VAR................................................................................................................................................................37

3.11.15 DEVICE_CONFIG ..............................................................................................................................................................38