ZOPT2202AC6R datasheet, PDF - EEWORLD Datasheet

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ZOPT2202AC6R: DescriptionPLGA / 6 / 2X2,2X0,7MM / G1 - T&; Categoryunclassified; File Size1MB，41 Pages; ManufacturerIDT (Integrated Device Technology, Inc.); Websitehttp://www.idt.com/

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PLGA / 6 / 2X2,2X0,7MM / G1 - T&

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Digital UVA / UVB Energy Sensor

Description

The ZOPT2202 Sensor integrates two types of ultra-violet optical

sensors: one that is primarily sensitive in the UVA spectral range

and one that is sensitive in the UVB spectral range.

The device is connected via an I²C interface to a microcontroller.

Other I²C or SMBus devices can be connected to the same inter-

face. The device has a programmable interrupt with hysteresis to

respond to events and reduce the microcontroller tasks.

A major application of the device is in smart phones or other

mobile devices to enable UVA and UVB energy level measure-

ments in support of diverse health care applications or contextual

awareness algorithms.

ZOPT2202

Datasheet

Physical Characteristics



Features



Very high sensitivity for UVA and UVB energy levels

Superior visible light and infrared energy suppression

Very stable spectral response over angle of light incidence

Large dynamic range

Excellent temperature compensation

Lowest conversion repeat noise

Parallel operation of UVA and UVB sensor

I²C interface capable of standard mode (100kHz) or fast mode

(400kHz) communication; 1.8V logic compatible

Programmable interrupt function for UVA or UVB sensor with

upper and lower thresholds



Wide operation temperature: - 40°C to +90°C

Wide supply voltage: 1.7V to 3.6V

Minimum active current at maximum duty cycle:

— Single channel: 110µA typical

— Dual channel: 130µA typical

Note: Average current is proportionally lower with lower

measurement rates.

Low standby current: 1µA typical

Packages:

— LGA6 (2.0



2.2



0.7 mm)

— TSV (1.1



1.2



0.26 mm)

ZOPT2202 Application Circuit

VDD1

VDD1: 1.7 to 3.6 V

VDD2: 1.7 to 3.6 V

Sensor Features

UVA/UVB sensor in a matrix array arrangement



Configurable output resolution: 13 to 20 bits



VDD2

VDD

VDD2

VDD

ZOPT2202

µC

SCL

SDA

INT

SCL

SDA

INT

Configurable analog gain:

1

18



Linear output code



Fluorescent light flicker immunity

GND

September 21, 2016

ZOPT2202 Datasheet

Contents

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

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

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

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

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

Detailed Description ...................................................................................................................................................................................12

3.1 Block Diagram of ZOPT2202 .............................................................................................................................................................12

3.2 Application Circuit ..............................................................................................................................................................................13

3.3 Pin Description ..................................................................................................................................................................................14

3.4 Device Operation Modes ...................................................................................................................................................................15

3.5 Conversion Control State Machine ....................................................................................................................................................17

3.5.1

3.6.1

Start Up after Power-On or Software Reset .......................................................................................................................17

Analog Gain Modes, Resolution, and Measurement Time .................................................................................................18

3.6 UV Sensor Sensitivity Configuration ..................................................................................................................................................18

3.7 Interrupt Features ..............................................................................................................................................................................19

3.8 I²C Interface .......................................................................................................................................................................................20

3.8.1

3.8.2

3.8.3

3.8.4

I²C Address Decoding ........................................................................................................................................................20

I²C Register Read ...............................................................................................................................................................20

Register Write .....................................................................................................................................................................21

I²C Interface—Bus Timing ..................................................................................................................................................22

3.9 Summary of Internal Registers ..........................................................................................................................................................23

3.10 Detailed Description of Registers ......................................................................................................................................................24

3.10.1

3.10.2

3.10.3

3.10.4

3.10.5

3.10.6

3.10.7

3.10.8

3.10.9

MAIN_CTRL .......................................................................................................................................................................24

LS_MEAS_RATE ...............................................................................................................................................................25

LS_GAIN ............................................................................................................................................................................26

PART_ID ............................................................................................................................................................................27

MAIN_STATUS ..................................................................................................................................................................27

UVB2_DATA.......................................................................................................................................................................28

UVA_DATA.........................................................................................................................................................................29

UVB_DATA.........................................................................................................................................................................30

UV_COMP_DATA ..............................................................................................................................................................31

3.10.10 COMP_DATA .....................................................................................................................................................................32

3.10.11 INT_CFG ............................................................................................................................................................................33

3.10.12 INT_PST .............................................................................................................................................................................33

3.10.13 LS_THRES_UP ..................................................................................................................................................................34

3.10.14 LS_THRES_LOW ...............................................................................................................................................................34

3.10.15 LS_THRES_VAR................................................................................................................................................................35

3.10.16 DEVICE_CONFIG ..............................................................................................................................................................35

September 21, 2016

ZOPT2202 Datasheet

Packages ....................................................................................................................................................................................................36

4.1 LGA6 Package (2.0



2.2



0.7 mm) ................................................................................................................................................36

4.1.1

4.1.2

4.1.3

4.1.4

4.2.1

Mechanical Dimensions......................................................................................................................................................36

Pin Assignment (Top View) ................................................................................................................................................36

Reflow Profile .....................................................................................................................................................................37

LGA Tape Packaging Information ......................................................................................................................................38

Mechanical Dimensions......................................................................................................................................................39

4.2 TSV Package (1.1



1.2



0.26 mm) ................................................................................................................................................39

Part Order Information ................................................................................................................................................................................40

Glossary .....................................................................................................................................................................................................40

Document Revision History ........................................................................................................................................................................41

List of Figures

Figure 2.1

Figure 2.2

Figure 2.3

Figure 2.4

Figure 2.5

Figure 2.6

Figure 2.7

Figure 2.8

Figure 2.9

UVAS Spectral Response – Linear ...................................................................................................................................................9

UVAS Spectral Response – Logarithmic ..........................................................................................................................................9

UVBS Spectral Response – Linear ...................................................................................................................................................9

UVBS Spectral Response – Logarithmic ..........................................................................................................................................9

UVAS Spectral Response vs. AOI ..................................................................................................................................................10

UVBS Spectral Response vs. AOI ..................................................................................................................................................10

UVAS Field of View (375nm LED) ..................................................................................................................................................10

UVAS Field of View (Polar) (375nm LED) ......................................................................................................................................10

UVBS Field of View (310nm LED) ..................................................................................................................................................10

Figure 2.10 UVBS Field of View (Polar) (310nm LED) ......................................................................................................................................10

Figure 2.11 Conversion Repeat Noise ...............................................................................................................................................................11

Figure 2.12 Active Current vs. Supply Voltage ..................................................................................................................................................11

Figure 2.13 Normalized Active Current vs. Temperature ...................................................................................................................................11

Figure 2.14 Standby Current vs. Temperature ...................................................................................................................................................11

Figure 3.1

Figure 3.2

Figure 3.3

Figure 3.4

Figure 3.5

Figure 3.6

Figure 3.7

Simplified ZOPT2202 Block Diagram .............................................................................................................................................12

Typical Application Circuit ...............................................................................................................................................................13

Main State Machine ........................................................................................................................................................................17

Interrupt Unit ...................................................................................................................................................................................19

I²C Register Read ...........................................................................................................................................................................21

I²C Register Write ...........................................................................................................................................................................21

Bus Timing ......................................................................................................................................................................................22

September 21, 2016

ZOPT2202 Datasheet

List of Tables

Table 3.1

Table 3.2

Table 3.3

Table 3.4

Table 3.5

Table 3.6

Table 3.7

Table 3.8

Table 3.9

Table 4.1

LGA Pin Description........................................................................................................................................................................14

TSV Pin Description ........................................................................................................................................................................14

Mode Descriptions ..........................................................................................................................................................................15

Channel Activation vs. Operation Mode ..........................................................................................................................................16

UVAS Sensitivities ..........................................................................................................................................................................18

UVBS Sensitivities ..........................................................................................................................................................................18

Supported I²C Clock Frequencies ...................................................................................................................................................20

I²C Address .....................................................................................................................................................................................20

Bus Timing Characteristic ...............................................................................................................................................................22

Reflow Profile Specifications...........................................................................................................................................................37

Table 3.10 Register Overview...........................................................................................................................................................................23

September 21, 2016

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