AH175A-WL-B datasheet, PDF - EEWORLD Datasheet

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AH175A-WL-B: DescriptionHall Effect Latch For High Temperature; File Size160KB，6 Pages; ManufacturerAnachip; Websitehttp://www.anachip.com/

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AH175A-WL-B Overview

Hall Effect Latch For High Temperature

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AH175

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

AH175 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 on (low). If B

removed toward Brp, the OUT pin is latched “on”

state prior to B < Brp. When B < Brp, the OUT pin

go into “ off ” state.

Applications

- Rotor position sensing

- Current switch

- Encoder

- RPM detection

Pin Assignment

(Top view)

Pin Descriptions

Name

OUT

2. GND

1. VCC

Description

VCC

GND

OUT

Input power

Ground

Output stage

(SIP3 package)

OUT

GND 2.

1. VCC

( SOT23 package)

Ordering Information

AH175 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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Shortcut: A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF AG AH AI AJ AK AL AM AN AO AP AQ AR AS AT AU AV AW AX AY AZ B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF BG BH BI BJ BK BL BM BN BO BP BQ BR BS BT BU BV BW BX BY BZ C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF CG CH CI CJ CK CL CM CN CO CP CQ CR CS CT CU CV CW CX CY CZ D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF DG DH DI DJ DK DL DM DN DO DP DQ DR DS DT DU DV DW DX DZ

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