Datasheet > ZOPT2202

ZOPT2202

更新时间： 2022-02-26 12:24:15

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
41页	1075K
描述
Digital UVA / UVB Energy Sensor

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ZOPT2202 数据手册

ZOPT2202

Digital UVA / UVB Energy Sensor

Datasheet

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.

Physical Characteristics

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

Wide supply voltage: 1.7V to 3.6V

Minimum active current at maximum duty cycle:

Features

—

Single channel: 110µA typical

Dual channel: 130µA typical

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

Note: Average current is proportionally lower with lower

measurement rates.

Low standby current: 1µA typical

Packages:

Excellent temperature compensation

Lowest conversion repeat noise

—

LGA6 (2.0  2.2  0.7 mm)

TSV (1.1  1.2  0.26 mm)

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

ZOPT2202 Application Circuit

VDD1

VDD1: 1.7 to 3.6 V

VDD2: 1.7 to 3.6 V

VDD2

Sensor Features

VDD

UVA/UVB sensor in a matrix array arrangement

Configurable output resolution: 13 to 20 bits

Configurable analog gain: 1 to 18

Linear output code

VDD

ZOPT2202

SCL

SDA

INT

SCL

SDA

INT

µC

Fluorescent light flicker immunity

GND

September 21, 2016

12 3 4 5 6 7...41

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