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AH375UWLA Datasheet(PDF) 1 Page - Anachip Corp

Part # AH375UWLA
Description  Single Phase Hall Effect Latch
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Manufacturer  ANACHIP [Anachip Corp]
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AH375UWLA Datasheet(HTML) 1 Page - Anachip Corp

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AH375
Single Phase Hall Effect Latch
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.1.3 Jan. 09, 2006
1/6
Features
- 2.2V to 20V DC operation voltage
- Temperature compensation
- Wide operating voltage range
- Open drain pre-driver
- 25mA maximum sinking output current
- Package: SIP3, SOT23
Applications
- Brush-less DC Motor
- Brush-less DC Fan
- Revolution counting
- Speed measurement
General Description
AH375 is an integrated Hall effect latched sensor
designed for electronic commutation of brush-less
DC motor applications. The device includes an
on-chip Hall voltage generator for magnetic sensing,
a comparator that amplifies the Hall voltage, and a
schmitt trigger to provide switching hysteresis for
noise rejection, and open drain output. An internal
bandgap regulator is used to provide temperature
compensated supply voltage for internal circuits
and allows a wide operating supply range.
If a magnetic flux density larger than threshold Bop,
DO is turned on(low). The output state is held until
a magnetic flux density reversal falls below Brp
causing DO to be turned off (high).
Pin Assignments
375
1
2 : GND
3 : OUT
23
375
1
2
3
1 : Vdd
(Top view)
(SIP package)
(SOT23 package)
Pin Descriptions
Name
P/I/O
Pin #
Description
Vdd
P
1
Positive Power Supply
GND
P
2
Ground
OUT
O
3
Output Pin
Ordering Information
AH375 X - X X X
Packing
Blank : Bulk
A
: Tape & Reel
P: SIP3
W: SOT23
Package
Lead
L : Lead Free
Wafer Body
Blank or
A~Z : if necessary
to specify


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