Diodes AH1751 Manuel d'utilisateur télécharger pdf

AH1751

HALL EFFECT LATCH

AH1751 Rev. 4 1 of 9 OCTOBER 2009

DS31436 www.diodes.com © Diodes Incorporated

• Bipolar Hall Effect Latch Sensor

• 3.5V to 20V DC Operation Voltage

• Open Collector Pre-Driver

• 50mA Output Sink Current

• Chip Power Reverse-Connection Protection

• Operating Temperature: -40

C~125

• SIP3, SC59 and SC59R (Commonly known as SOT23

in Asia): Available in “Green” Molding Compound

(No Br, Sb)

• Lead Free Finish/ RoHS Compliant (Note 1)

AH1751 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 band-gap 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.

• Rotor Position Sensing

• Current Switch

• Encoder

• RPM Detection

Ordering Information

AH1751 - X G - X - A

Packing

P : SIP3

Package

Green

Magnetic

Characteristics

B : Bulk (Note 4)

A : Ammo (Note 3)

G : Green

W : SC59

R : SC59R

7 : Tape & Reel

Device

Package

Code

Packaging

(Note 2)

Tube/Bulk 7” Tape and Reel Ammo Box

Magnetic

Characteristics

Quantity

Part Number

Suffix

Quantity

Part

Number

Suffix

Quantity

Part

Number

Suffix

AH1751-PG-A-A P SIP3 NA NA NA NA 4000/Box -A A

AH1751-PG-B-A P SIP3 1000 -B NA NA NA NA A

AH1751-WG-7-A

W SC59 NA NA 3000/Tape & Reel -7 NA NA A

AH1751-RG-7-A

R SC59R NA NA 3000/Tape & Reel -7 NA NA A

Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at

http://www.diodes.com/products/lead_free.html

2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at

http://www.diodes.com/datasheets/ap02001.pdf.

3. Ammo Box is for SIP3 Spread Lead.

4. Bulk is for SIP3 Straight Lead.

Features

General Description

Applications

1 2 3 4 5 6 7 8 9

Résumé du contenu

Page 1 - AH1751

AH1751HALL EFFECT LATCH AH1751 Rev. 4 1 of 9 O

Page 2 - Pin Descriptions

AH1751HALL EFFECT LATCH AH1751 Rev. 4 2 of 9 OCT

Page 3 - Block Diagram

AH1751HALL EFFECT LATCH AH1751 Rev. 4 3 of 9 OCT

Page 4 - Operating Characteristics

AH1751HALL EFFECT LATCH AH1751 Rev. 4 4 of 9 OCT

AH1751HALL EFFECT LATCH AH1751 Rev. 4 5 of 9 OCT

Page 6

AH1751HALL EFFECT LATCH AH1751 Rev. 4 6 of 9 OCT

Page 7

AH1751HALL EFFECT LATCH AH1751 Rev. 4 7 of 9 OCT

Page 8

AH1751HALL EFFECT LATCH AH1751 Rev. 4 8 of 9 OCT

Page 9

AH1751HALL EFFECT LATCH AH1751 Rev. 4 9 of 9 OCT

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