AH174-WA-B datasheet, PDF - EEWORLD Datasheet

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AH174-WA-B: DescriptionSensor/Transducer, Open-collector, Bipolar, 3 Pin, Plastic/epoxy,; CategoryThe sensor Sensor/transducer; File Size177KB，6 Pages; ManufacturerDiodes; Websitehttp://www.diodes.com/

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AH174-WA-B Overview

Sensor/Transducer, Open-collector, Bipolar, 3 Pin, Plastic/epoxy,

AH174-WA-B Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
package instruction	TO-236
Reach Compliance Code	compli
JESD-609 code	e0
Maximum magnetic field range	8 mT
Minimum magnetic field range	-8 mT
Installation features	SURFACE MOUNT
Number of terminals	3
Maximum working current	6 mA
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
output	OPEN-COLLECTOR
Output polarity	INVERTING
Package body material	PLASTIC/EPOXY
Encapsulate equivalent code	TO-236
power supply	12 V
surface mount	YES
technology	BIPOLAR
Terminal surface	Tin/Lead (Sn/Pb)
Base Number Matches	1

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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

AH174-WA-B Related Products

	AH174-WA-B	AH174-WA-A	AH174-W-A	AH174-W-B	AH174-WLA-A	AH174-WLA-B	AH174-PL-B	AH174-PL-A	AH174-P-B
Description	Sensor/Transducer, Open-collector, Bipolar, 3 Pin, Plastic/epoxy,	Sensor/Transducer, Open-collector, Bipolar, 3 Pin, Plastic/epoxy,	Sensor/Transducer, Open-collector, Bipolar, 3 Pin, Plastic/epoxy,	Sensor/Transducer, Open-collector, Bipolar, 3 Pin, Plastic/epoxy,	Sensor/Transducer, Open-collector, Bipolar, 3 Pin, Plastic/epoxy,	Sensor/Transducer, Open-collector, Bipolar, 3 Pin, Plastic/epoxy,	Sensor/Transducer, Open-collector, Bipolar, 3 Pin, Plastic/epoxy,	Sensor/Transducer, Open-collector, Bipolar, 3 Pin, Plastic/epoxy,	Sensor/Transducer, Open-collector, Bipolar, 3 Pin, Plastic/epoxy,
Is it Rohs certified?	incompatible	incompatible	incompatible	incompatible	conform to	conform to	conform to	conform to	incompatible
package instruction	TO-236	TO-236	TO-236	TO-236	TO-236	TO-236	SIP3,.03,50	SIP3,.03,50	SIP3,.03,50
Reach Compliance Code	compli	compli	compli	compli	compliant	compliant	compliant	compliant	compliant
Maximum magnetic field range	8 mT	6 mT	6 mT	8 mT	6 mT	8 mT	8 mT	6 mT	8 mT
Minimum magnetic field range	-8 mT	-6 mT	-6 mT	-8 mT	-6 mT	-8 mT	-8 mT	-6 mT	-8 mT
Installation features	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	THROUGH HOLE MOUNT	THROUGH HOLE MOUNT	THROUGH HOLE MOUNT
Number of terminals	3	3	3	3	3	3	3	3	3
Maximum working current	6 mA	6 mA	6 mA	6 mA	6 mA	6 mA	6 mA	6 mA	6 mA
Maximum operating temperature	125 °C	125 °C	125 °C	125 °C	125 °C	125 °C	125 °C	125 °C	125 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
output	OPEN-COLLECTOR	OPEN-COLLECTOR	OPEN-COLLECTOR	OPEN-COLLECTOR	OPEN-COLLECTOR	OPEN-COLLECTOR	OPEN-COLLECTOR	OPEN-COLLECTOR	OPEN-COLLECTOR
Output polarity	INVERTING	INVERTING	INVERTING	INVERTING	INVERTING	INVERTING	INVERTING	INVERTING	INVERTING
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
Encapsulate equivalent code	TO-236	TO-236	TO-236	TO-236	TO-236	TO-236	SIP3,.03,50	SIP3,.03,50	SIP3,.03,50
power supply	12 V	12 V	12 V	12 V	12 V	12 V	12 V	12 V	12 V
surface mount	YES	YES	YES	YES	YES	YES	NO	NO	NO
technology	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR
Base Number Matches	1	1	1	1	1	1	1	1	1
JESD-609 code	e0	e0	e0	e0	-	-	-	-	e0
Terminal surface	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	-	-	-	-	Tin/Lead (Sn/Pb)
Maker	-	-	-	-	Diodes	Diodes	Diodes	Diodes	Diodes
Is Samacsys	-	-	-	-	N	N	N	N	N

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