AH174L-WL-B datasheet, PDF - EEWORLD Datasheet

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AH174L-WL-B: DescriptionInverted Output Hall Effect Latch For High Temperature; File Size177KB，6 Pages; ManufacturerAnachip; Websitehttp://www.anachip.com/

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AH174L-WL-B Overview

Inverted Output Hall Effect Latch For High Temperature

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AH174

Inverted Output Hall Effect Latch For High Temperature

Features

- Bipolar Hall effect latch sensor

- 3.5V to 20V DC operation voltage

- Open collector pre-driver

- 25mA output sink current

- Chip power reverse-connection protection

- Operating temperature:

−

C ~

125

- Package: SIP3, SOT23

General Description

AH174 is a single-digital-output Hall-effect sensor

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 open-collector output pre-driver.

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 threshold Bop, the

OUT

pin turns off (High).

If B removed toward Brp, the

OUT

pin is latched

“off” state prior to B < Brp. When B < Brp, the

OUT

pin go into “ on ” state.

Applications

- Rotor position sensing

- Current switch

- Encoder

- RPM detection

Pin Assignment

(Top view)

OUT

2. GND

1. VCC

(SIP3 package)

Pin Descriptions

Name

Description

VCC

GND

OUT

Input power

Ground

Inverted output stage

OUT

GND 2.

1. VCC

( SOT23 package)

Ordering Information

AH174 X - X X X - X

Wafer Body

Blank or

A~Z : if necessary

to specify

Package

P: SIP3

W: SOT23

Lead

L : Lead Free

Blank: Normal

Packing

Blank : Tube

A : Taping

Magnetic

Characteristics

A or B

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. 0.7 May 7, 2004

1/6

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