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AH920

BCD
Part Number AH920
Manufacturer BCD
Description HIGH SENSITIVITY CMOS HALL-EFFECT LATCH
Published Apr 12, 2015
Detailed Description Data Sheet HIGH SENSITIVITY CMOS HALL-EFFECT LATCH AH920 General Description The AH920 is a Hall-effect latch designe...
Datasheet PDF File AH920 PDF File

AH920
AH920

Overview
Data Sheet HIGH SENSITIVITY CMOS HALL-EFFECT LATCH AH920 General 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, Hall-voltage 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.
Features • Wide Operating Voltage Range from 3.
5 to 20V • Symmetrical Switch Points • Chopper-stabilized Amplifier Stage • Superior Temperature Stability • Open-drain Output • Compact Size • ESD Rating: 6000V (Human Body Model) Applications • Brushless DC Motor Commutation • Brushless DC Fan • Solid-state Switch • Revolution Counting • Speed Detection • High Sensitivity and Unconnected Switch TO-92S-3 SOT-23-3 Figure 1.
Package Types of AH920 Nov.
2010 Rev.
1.
3 BCD Semiconductor Manufacturing Limited 1 HIGH SENSITIVITY CMOS HALL-EFFECT LATCH Pin Configuration Data Sheet AH920 Z3 Package (TO-92S-3) N Package (SOT-23-3) 3 3 2 12 1 (Front View) (Top View) Figure 2.
Pin Configuration of AH920 Pin Description Pin Number TO-92S-3 SOT-23-3 11 23 32 Pin Name VCC GND OUT Supply voltage Ground pin Output Pin Function Nov.
2010 Rev.
1.
3 BCD Semiconductor Manufacturing Limited 2 HIGH SENSITIVITY CMOS HALL-EFFECT LATCH Functional Block Diagram Data Sheet AH920 Figure 3.
Functional Block Diagram of AH920 Ordering Information AH920W5 23 - Package TO-92S-3 SOT-23-3 Circuit Type Package Z3: TO-92S-3 5 N: SOT-23-3 Temperature Range -40 to 125°C -40 to 125°C Part Number AH920Z3-G1...


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