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AH180N (Not Recommended for new design)

NRND = Not Recommended for New Design

High Sensitivity Micropower Omnipolar Hall Effect Switch

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The AH180N is a high sensitivity, micro power Omni-polar Hall Effect switch IC designed for portable and battery powered equipment such as cellular phones, PDA’ s and portable PC’ s. To support portable and battery powered equipment the design has been optimized to operate over the supply range of 2.5V to 5.5V and consumes only 24uW with a supply of 3V. The single open drain output can switched on with either a north or south pole of sufficient strength.


  • Cell phones
  • PDAs
  • Potrable PCs
  • Digital Cameras

Product Specifications

Product Parameters

# Outputs 1
ActiveHigh orLow Low
Compliance (Only Automotive supports PPAP) No
Average Supply Current (µA) 8
Max OperatingPoint ±Bop(Guass) 50
Max ReleasePoint ±Brp(Guass) N/A
Min OperatingPoint ±Bop (Guass) N/A
Min ReleasePoint ±Brp(Guass) 10
Operating Ambient Temperature Range (°C) -40 to 85
Operating Voltage (V) 2.5 to 5.5
Output Type Open Drain
AEC Qualified No
Sensitivity High
Typ OperatingPoint ±Bop(Guass) 35
Typ ReleasePoint ±Brp(Guass) 25

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Technical Documents

Recommended Soldering Techniques




Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2512 2021-04-16 2021-07-16 Qualified Additional Assembly & Test (A/T) Site
PCN-2310 2018-01-24 2018-01-24 Device End of Life (EOL)