Datasheet > MAX44000

MAX44000

更新时间： 2024-11-28 11:17:07

品牌	Logo	应用领域
美信 - MAXIM		传感器接近传感器
页数	文件大小	规格书
24页	1545K
描述
Ambient and Infrared Proximity Sensor

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数据手册

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MAX44000 数据手册

19-5859; Rev 0; 10/11

Ambient and Infrared Proximity Sensor

General Description

The MAX44000 combines a wide-dynamic range ambient

light sensor with an integrated infrared proximity sensor. The

IC is a perfect solution for touch-screen portable devices.

Features

S Tiny, 2mm x 2mm x 0.6mm UTDFN-Opto Package

S V

= 1.7V to 3.6V

S Low-Power Operation

The IC can consume as low as 11µA (time averaged) in

ambient light sensing plus proximity sensing, including

external IR LED current.

5µA in Ambient Mode

7µA in Ambient Plus Proximity Mode

70µA in Ambient Plus Proximity Mode,

Including 100mA LED Current

The on-chip ambient sensor has the ability to make wide

dynamic range 0.03 lux to 65,535 lux measurements. An

on-chip IR proximity detector is matched with an inte-

grated IR LED driver. All readings are available on an

I²C communication bus. A programmable interrupt pin

minimizes the need to poll the device for data, freeing

up microcontroller resources, reducing system software

overhead, and ultimately, reducing power consumption.

S Excellent Light Source Matching

Programmable Green and IR Channel Gains

S Integrated Single-Pulse IR LED Driver

10mA to 110mA Programmable Range

Internal Ambient Cancellation

S -40NC to +105NC Temperature Range

The IC is designed to drive an external IR LED and can

Ordering Information

operate from a V

of 1.7V to 3.6V. It consumes just 5µA

operating current when only the ambient light sensor is

enabled and 7µA when the proximity receiver and driver

are enabled.

PART

TEMP RANGE

PIN-PACKAGE

MAX44000GDT+

-40NC to +105NC

6 OTDFN-EP*

+Denotes a lead(Pb)-free/RoHS-compliant package.

*EP = Exposed pad.

Applications

Smartphones

Accessories

Typical Application Circuit appears at end of data sheet.

Industrial Sensors

Presence Detection

Simplified Block Diagram

LED

MICROCONTROLLER

ALS

PGA

14-BIT

VIS + IR

(ALS)

SDA

SCL

INT

MAX44000

IR LED

ALS

PGA

IR (ALS)

IR (PRX)

I C

14-/8-BIT

GND

AMBIENT

CANCELLATION

PRX

PGA

DRV

GND

_______________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...24

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与MAX44000相关器件

型号	品牌	获取价格	描述	数据表
MAX44000PMB1	MAXIM	获取价格	MAX44000PMB1 Peripheral Module
MAX44004	MAXIM	获取价格	Digital Ambient Light Sensor
MAX44004GDT+	MAXIM	获取价格	Digital Ambient Light Sensor
MAX44005	MAXIM	获取价格	RGB Color, Temperature,and Infrared Proximity Sensor
MAX44005EDT	MAXIM	获取价格	RGB Color, Temperature,and Infrared Proximity Sensor
MAX44005EDT+	MAXIM	获取价格	RGB Color, Temperature,and Infrared Proximity Sensor
MAX44005EDT+T	MAXIM	获取价格	Analog Circuit, 1 Func, PDSO6, 2 X 2 MM, 0.60 MM HEIGHT, ROHS COMPLIANT, OTDFN-6
MAX44006	MAXIM	获取价格	RGB Color, Infrared, and Temperature Sensors
MAX44006EDT+	MAXIM	获取价格	Analog Circuit, 1 Func, PDSO6, 2 X 2 MM, ROHS COMPLIANT, OTDFN-6
MAX44007	MAXIM	获取价格	Low-Power Digital Ambient Light Sensor with Enhanced Sensitivity

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