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UGN3187

Allegro MicroSystems
Part Number UGN3187
Manufacturer Allegro MicroSystems
Description (UGN3185 - UGN3189) HALL-EFFECT LATCHES FOR HIGH-TEMPERATURE OPERATION
Published Nov 14, 2005
Detailed Description 3185 THRU 3189 HALL-EFFECT LATCHES FOR HIGH-TEMPERATURE OPERATION These Hall-effect latches are extremely temperature-s...
Datasheet PDF File UGN3187 PDF File

UGN3187
UGN3187

Overview
3185 THRU 3189 HALL-EFFECT LATCHES FOR HIGH-TEMPERATURE OPERATION These Hall-effect latches are extremely temperature-stable and stressresistant sensors especially suited for operation over extended temperature ranges to +150°C.
Superior high-temperature performance is made possible through a novel Schmitt trigger circuit that maintains operate and release point symmetry by compensating for temperature changes in the Hall element.
Additionally, internal compensation provides magnetic switch points that become more sensitive with temperature, hence offsetting the usual degradation of the magnetic field with temperature.
The symmetry capability makes these devices ideal for use in pulse-counting applications where duty cycle is an important parameter.
The four basic devices (3185, 3187, 3188, and 3189) are identical except for magnetic switch points.
Each device includes on a single silicon chip a voltage regulator, quadratic Hall-voltage generator, temperature compensation circuit, sig...


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