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AH1804 - MICROPOWER OMNIPOLAR HALL EFFECT SENSORSWITCH

General Description

The AH1804 is a micropower Omnipolar Hall effect switch IC with a single output driver with 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 12µA at 3.3V.

Key Features

  • Omnipolar operation (North or South pole).
  • Low supply voltage 2.5V to 3.6V.
  • Micropower operation.
  • No external pull up resistors required.
  • Chopper stabilized design o Superior temperature stability o Extremely Low Switch-Point Drift o Insensitive to Physical Stress.
  • Good RF noise immunity.
  • -40°C to 85°C operating temperature.
  • Small low profile DFN1216-4 and SC59 packages.
  • ESD (HBM) ＞ 5KV.
  • “Green” Molding Co.

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Other Datasheets by Diodes Incorporated

Part Number Description
AH1801 ULTRA-SENSITIVE HALL EFFECT SWITCH
AH1802 ULTRA-SENSITIVE OMNIPOLAR HALL-EFFECT SENSOR SWITCH
AH1803 ULTRA-SENSITIVE HALL EFFECT SWITCH
AH1806 HIGH SENSIVITY MICROPOWER OMNIPOLAR HALL-EFFECT SWITCH
AH1807 MEDIUM SENSITIVITY MICROPOWER OMNIPLOAR HALL-EFFECT SWITCH

Full PDF Text Transcription (Reference)

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NEW PRODUCT AH1804 MICROPOWER OMNIPOLAR HALL EFFECT SENSORSWITCH Description The AH1804 is a micropower Omnipolar Hall effect switch IC with a single output driver with 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 12µA at 3.3V. To support battery powered equipment the AH1804 can operate over the supply range of 2.5V to 3.6V and uses a hibernating clocking system to minimize the power consumption. Pin Assignments ( Top View ) GND NC 4 3 1 2 VDD Output DFN1216-4 The output is activated with either a north or south pole of sufficient strength.