Datasheet > MAX25405

MAX25405

更新时间： 2023-12-20 18:45:21

品牌	Logo	应用领域
亚德诺 - ADI		传感器
页数	文件大小	规格书
39页	286K
描述
带有透镜的汽车级IR手势识别传感器

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MAX25405 数据手册

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MAX25405

IR Gesture Sensor with Lens for Automotive

Applications

General Description

Benefits and Features

The MAX25405 is a low-cost, data-acquisition system for

gesture and proximity sensing. Detection distance is im-

proved by integrating a complete optical system consisting

of lens, aperture, visible light filter, and a 6x10 photode-

tector array. The MAX25405 recognizes the following in-

dependent gestures:

● Low-Cost, Flexible Gesture-Sensing Solution for

Automotive Applications

● Low-Power, Low-Cost External CPU Processes

Sensor Output

● Supports Swipe, Rotation, and Proximity Gestures

● Highly Integrated

• Integrated Lens, Aperture, and Filter

• 60-Pixel IR Photodiode Array

• Integrated LED Driver

● Hand swipe gestures (left, right, up, down, wave)

● Air click

● Flicks

● Finger and hand rotation (clockwise and counter

clockwise)

● Multizone proximity detection

● Linger to click

• 400kHz I C and 6MHz SPI Serial Interfaces

● Operates in 120k Lux Ambient Light

● AEC-Q100 Qualified

• -40°C to +85°C Operation

• MSL1

The proximity, hand detection, and gesture recognition

functions of the MAX25405 operate by detecting the light

reflected from the controlled IR-LED light source with an

integrated 6x10-element optical sensor array. The

MAX25405 can detect these gestures even when exposed

to bright ambient light. A low-power, low-cost CPU, such

as the MAX32630, is required to process the data from the

sensor.

● Ultra-Low-Power Operation

• 1mA at 3.3V

● Compact 4mm x 4mm x 1.35mm, 20-Pin, Side-

Wettable QFN Package

Ordering Information appears at the end of the data sheet.

This discrete light source is created externally with one or

more FETs driven directly from the MA25405. The light

source’s PWM duty cycle is programmable from 1/16 to

16/16. The LEDs are pulsed on one or more times in a

programmable sequence repeated for every sample.

For flexibility, the MAX25405 supports two different serial

communication protocols: I C (400kHz) and SPI (6MHz).

The MAX25405 is available in a 4mm x 4mm, 20-pin, opti-

cal QFN package.

Applications

● Central Information Display Control

● Rear-Seat Entertainment Systems

● Door, Moon Roof, and Trunk Control

● Mechanical Switch Replacement

● Occupant Detection

19-101120; Rev 0; 5/21

12 3 4 5 6 7...39

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