Datasheet > ZOPT2201

ZOPT2201

更新时间： 2024-11-26 01:14:15

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
44页	1568K
描述
Digital Ambient Light and UVB Energy Sensor

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ZOPT2201 数据手册

Digital Ambient Light and

UVB Energy Sensor

ZOPT2201

Datasheet

Brief Description

The ZOPT2201 Sensor integrates an ambient light sensor (ALS)

and ultraviolet energy sensor (UVBS). The device can be

connected via an I²C interface to an external microcontroller.

Other I²C or SMBus devices can be connected to the same

interface. The device has a programmable interrupt with hys-

teresis 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 brightness control of display panels

(ALS) and diverse health care applications or contextual

awareness algorithms (UVBS).

UVBS Features

Linear UV index measurement (1 to >11)

Tailored temperature compensation

Features

High ambient light and UVB energy sensitivity

Superior infrared energy suppression

Very stable spectral response over angle of light incidence

Wide dynamic range

Physical Characteristics

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

Wide supply voltage: 1.7V to 3.6V

Excellent temperature compensation

Lowest conversion repeat noise

Minimum active current at maximum duty cycle:

—

ALS: 110µA typical

UVBS: 100µA typical

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

(400kHz) communication; 1.8V logic compatible

Programmable interrupt function for ALS and UVBS with

upper and lower thresholds

Note: Average current is proportionally lower with lower

measurement rates.

Low standby current: 1µA typical

Packages:

ALS Features

—

LGA6 (2.0  2.2  0.7 mm)

TSV (1.1  1.2  0.26 mm)

Integrated ALS closely matches human eye response for high

lux accuracy over different light sources

Absolute sensitivity: 0.008 lux to 157000 lux

Configurable output resolution: 13 to 20 bits

Configurable analog gain: x1 to x18

Linear output code

ZOPT2201 Application Circuit

VDD1

VDD1: 1.7 to 3.6 V

VDD2: 1.7 to 3.6 V

VDD2

50Hz/60Hz light flicker immunity

Fluorescent light flicker immunity

VDD

ZOPT2201

SCL

SDA

INT

SCL

SDA

INT

µC

GND

September 2, 2016

12 3 4 5 6 7...44

中文翻译

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