Datasheet > AH172-WL-B

AH172-WL-B

更新时间： 2024-01-24 00:25:12

品牌	Logo	应用领域
美台 - DIODES		/
页数	文件大小	规格书
6页	190K
描述
Sensor/Transducer, Passive Pull-up, Bipolar, 3 Pin, Plastic/epoxy,

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AH172-WL-B 数据手册

AH172

Internal Pull-up Hall Effect Latch

Features

General Description

- Bipolar Hall effect latch sensor

- 3.0V to 20V DC operation voltage

- Built-in pull-up resistor

AH172 is a single digital output Hall-effect sensor

with pull-up resistor for high temperature operation.

The device includes an on-chip Hall voltage

generator for magnetic sensing, an amplifier to

amplify Hall voltage, and a comparator to provide

switching hysteresis for noise rejection, and an

output driver with a pull-up resistor (Rpu). An

internal bandgap regulator is used to provide

temperature compensated supply voltage for

internal circuits and allows a wide operating supply

range. While the magnetic flux density (B) is larger

than operate point (Bop), the OUT pin turns on

(low). If B removed toward release point (Brp), the

OUT pin is latched “on” state prior to B < Brp. When

B < Brp, the OUT pin go into “ off ” state.

- 25mA output sink current

- Operating temperature: -20°C to 85°C

- Package: SIP3, SOT23

Applications

- Rotor position sensing

- Current switch

- Encoder

- RPM detection

Pin Descriptions

Pin Assignments

(Top view)

Name

VCC

GND

OUT

Description

Positive power supply

Ground

OUT

2. GND

1. VCC

Output stage

(SIP3 package)

OUT

GND 2.

1. VCC

( SOT23 package)

Ordering Information

AH172 X - X X X - X

Magnetic

Packing

Wafer Body

Package

P: SIP3

W: SOT23

Lead

Characteristics

Blank or

L :Lead Free

Blank :Bulk

A or B

A~Z : if necessary

to specify

: Tape & Reel

(for SOT23 Only)

This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of

this product. No rights under any patent accompany the sale of the product.

Rev. 1.0 Oct 6, 2005

1/6

12 3 4 5 6

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