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AH1897 - HIGH SENSITIVITY MICROPOWER OMNIPLOAR HALL-EFFECT SWITCH

Datasheet Summary

Description

The AH1897 is a high sensitivity micropower Omnipolar Hall effect switch IC with an internal pull up and pull down capability.

Designed for portable and battery powered equipment such as cellular phones and portable PCs, the average supply current is only 4.3µA at 1.85V.

Features

  • Omnipolar Operation (North or South Pole).
  • Supply Voltage of 1.6V to 3.6V.
  • Micropower Operation.
  • Chopper Stabilized Design Provides:.
  • Superior Temperature Stability.
  • Minimal Switch Point Drift.
  • Enhanced Immunity to Physical Stress.
  • No External Pull-up Resistors Required.
  • Good RF Noise Immunity.
  • -40°C to +85°C Operating Temperature.
  • Small Low Profile X1-DFN1216-4 (Type D) Package.
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2).

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Datasheet preview – AH1897

Datasheet Details

Part number AH1897
Manufacturer DIODES
File Size 479.06 KB
Description HIGH SENSITIVITY MICROPOWER OMNIPLOAR HALL-EFFECT SWITCH
Datasheet download datasheet AH1897 Datasheet
Additional preview pages of the AH1897 datasheet.

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Full PDF Text Transcription

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NEW PRODUCT AH1897 HIGH SENSITIVITY MICROPOWER OMNIPLOAR HALL-EFFECT SWITCH Description The AH1897 is a high sensitivity micropower Omnipolar Hall effect switch IC with an internal pull up and pull down capability. Designed for portable and battery powered equipment such as cellular phones and portable PCs, the average supply current is only 4.3µA at 1.85V. To support portable equipment, the AH1897 can operate over the supply range of 1.6V to 3.6V and use a hibernating clocking system to minimize the power consumption. To minimize PCB space, the AH1897 is available in a small low profile X1-DFN1216-4 (Type D) package. The output is activated with either a North or South pole of sufficient magnetic field strength.
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