Part number:
3240
Manufacturer:
Allegro MicroSystems
File Size:
204.29 KB
Description:
Chopper-stabilized/ precision hall-effect switch.
Datasheet Details
Part number:
3240
Manufacturer:
Allegro MicroSystems
File Size:
204.29 KB
Description:
Chopper-stabilized/ precision hall-effect switch.
3240, CHOPPER-STABILIZED/ PRECISION HALL-EFFECT SWITCH
Chopper-Stabilized Technique.
The Hall element can be considered as a resistor array similar to a Wheatstone bridge.
A large portion of the offset is a result of the mismatching of these resistors.
These devices use a proprietary dynamic offset cancellation technique, with an internal high-frequency
3240 Suffix ‘ LT’ & ‘ UA’ Pinning CHOPPER-STABILIZED, PRECISION HALL-EFFECT SWITCH The A3240 Hall-effect switch is an extremely temperature-stable and stress-resistant sensor especially suited for operation over extended temperature ranges to +150°C.
Superior high-temperature performance is made possible through dynamic offset cancellation, which reduces the residual offset voltage normally caused by device overmolding, temperature dependencies, and thermal stress.
The
3240 Features
* I I I I I I I Resistant to Physical Stress Superior Temperature Stability Output Short-Circuit Protection Operation From Unregulated Supply Reverse Battery Protection Solid-State Reliability Small Size Always order by complete part number: the prefix ‘A’ + the basic fourdigit part number + a suffix
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