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AH920

Diodes
Part Number AH920
Manufacturer Diodes
Description HIGH SENSITIVITY CMOS HALL-EFFECT LATCH
Published Apr 12, 2015
Detailed Description NOT RECOMMENDED FOR NEW DESIGN USE AH3772 AH920 HIGH SENSITIVITY CMOS HALL-EFFECT LATCH Description The AH920 is a Ha...
Datasheet PDF File AH920 PDF File

AH920
AH920

Overview
NOT RECOMMENDED FOR NEW DESIGN USE AH3772 AH920 HIGH SENSITIVITY CMOS HALL-EFFECT LATCH Description The AH920 is a Hall-effect latch designed in mixed signal CMOS technology.
It is quite suitable for use in automotive, industrial and consumer applications.
Superior high-temperature performance is made possible through dynamic offset cancellation, which reduces the residual offset voltage normally caused by device over-molding, temperature dependencies, and thermal stress.
The device integrates a voltage regulator, Hallvoltage generator, small-signal amplifier, chopper stabilization, schmitt trigger, and open-drain output.
An on-board regulator permits operation with supply voltage from 3.
5V to 20V.
The AH920 is available in TO-92S-3 and SOT-23-3 packages, which are optimized for most applications.
Pin Assignments (Front View) 3 2 1 TO-92S-3 (Top View) GND 3 OUT GND VCC Features  Wide Operating Voltage Range from 3.
5V to 20V  Symmetrical Switch Points  Chopper-Stabilized Amplifier Stage  Superior Temperature Stability  Open-Drain Output  Wide Operating Temperature Range: -40ºC to +125ºC  ESD Rating: 6000V (Human Body Model)  Totally Lead-free & Fully RoHS Compliant (Notes 1 & 2)  Halogen and Antimony Free.
“Green” Device (Note 3 1 VCC 2 OUT SOT-23-3 Applications  Brushless DC Motor Commutation  Brushless DC Fan  Solid-State Switch  Revolution Counting  Speed Detection  High Sensitivity and Unconnected Switch Notes: 1.
No purposely added lead.
Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2.
See http://www.
diodes.
com/quality/lead_free.
html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.
3.
Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds.
Typical Applications Circuit VCC1 OUT RL Output CL 0.
1mF GND AH920 VCC OUT Output RL VCC ...


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