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PDF AH174 Data sheet ( Hoja de datos )

Número de pieza AH174
Descripción Inverted Output Hall Effect Latch
Fabricantes Anachip 
Logotipo Anachip Logotipo



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Inverted Output Hall Effect Latch For High Temperature
AH174
„ 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: 40°C ~ +125°C
- Package: SIP3, SOT23
„ Applications
- Rotor position sensing
- Current switch
- Encoder
- RPM detection
„ 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.
„ Pin Assignment
(Top view)
www.DataSheet4U.com
(SIP3 package)
3. OUT
2. GND
1. VCC
GND 2.
3. OUT
1. VCC
( SOT23 package)
„ Pin Descriptions
Name
VCC
GND
OUT
Description
Input power
Ground
Inverted output stage
„ 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

1 page




AH174 pdf
Inverted Output Hall Effect Latch For High Temperature
AH174
„ Package Information
(1) Package Type: SIP-3L
0.51mm
NOM
2.10mm
1.55mm
BRANDED
SURFACE
Active Area Depth
Package Dimension
1 23
Sensor Location
45º
0.38mm
0.7mm
www.DataSheet4U.com
1.57mm
1.47mm
4.17mm
4.04mm
45º
3.10mm
2.97mm
0.41mm
3
2
1
1.82
mm
15.50mm
13.00mm
0.41mm
1.27mm
Anachip Corp.
www.anachip.com.tw
Rev 0.7 May 7, 2004
5/6

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