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Diodes Semiconductor Electronic Components Datasheet


AH175

HALL EFFECT LATCH


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AH175 pdf
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: -40oC~150oC
Lead Free Finish/RoHS Compliant for Lead Free
products (Note 1)
Lead Free Packages: SIP-3L, SC59-3L
Green Package: SC59-3L
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 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
goes into “off ” state.
Applications
Rotor Position Sensing
Current Switch
Encoder
RPM Detection
Ordering Information
AH175 - X X X - X
Package
P: SIP-3L
W: SC59-3L
Lead-Free
L : Lead Free
G :Green (Note 3)
Packing
Magnetic
Characteristics
-7 : Taping
A or B
-B : Bulk (Note 4)
-A : Ammo Box (Note 5)
Note: 1. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see EU Directive Annex Notes 5 and 7.
Tube/Bulk
7” Tape and Reel
Ammo Box
Device
Package Packaging Quantity Part
Code (Note 2)
Number
Quantity
Part Quantity Part
Number
Number
Suffix
Suffix
Suffix
AH175-P
Lead-free
P
SIP-3L
1000
-B
NA
NA
4000/Box
-A
AH175-W
W
SC59-3L
NA
NA 3000/Tape & Reel
-7
NA NA
Note: 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. Green is only available for SC59-3L
4. Bulk is for SIP-3 Straight Lead.
5. Ammo Box is for SIP-3 Spread Lead.
AH175 Rev. 4
1 of 8
www.diodes.com
FEBRUARY 2007
© Diodes Incorporated



No Preview Available !

AH175 pdf
AH175
HALL EFFECT LATCH FOR HIGH TEMPERATURE
Pin Assignment
(Top View)
(SIP-3L package)
3. OUT
2. GND
1. VCC
Pin Description
Name
VCC
GND
OUT
Description
Input Power
Ground
Output Stage
GND 2.
3. OUT
1. VCC
(SC59-3L Package)
Block Diagram
VCC
1
REG.
AMP
3 OUT
2 GND
AH175 Rev. 4
2 of 8
www.diodes.com
FEBRUARY 2007
© Diodes Incorporated



Part Number AH175
Description HALL EFFECT LATCH
Maker Diodes Incorporated - Diodes Incorporated
Total Page 8 Pages
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