Diodes Incorporated AH352x Hall-Effect Omnipolar Switches

Diodes Incorporated AH352x Hall-Effect Omnipolar Switches are designed for proximity, position, and level sensing in various applications, from consumer home appliances to industrial settings. The Diodes Incorporated AH352x operates between 3.0V and 28V, making the device ideal for demanding applications. The chopper stabilized architecture, internal bandgap regulator, and reverse blocking diode with Zener clamp ensure reliable performance across the entire operating range. The output includes overcurrent limit and a Zener clamp for added protection.

Features

Omnipolar operation
BOP and BRP of ±20G to ±40G and ±10G to ±25G typical high sensitivity
Single open-drain output with overcurrent limit
Resistant to physical stress
3.0V to 28V operating voltage range
Chopper stabilized design provides superior temperature stability, minimal switch point drift, and enhanced immunity to stress

Good RF noise immunity
Reverse blocking diode
Zener clamp on supply and output pins
-40°C to +125°C operating temperature
8kV high ESD HBM
Industry-standard SOT23 (type S), SIP-3 (ammo pack), and SIP-3 (bulk pack) packages
Totally lead-free and fully RoHS compliant
Halogen and antimony-free, green device

Applications

Position and proximity sensing in home appliances, building automation, office equipment, and industrial applications
Open and close detection
Position detection

Level detection
Flow meters
Contactless switches

Diodes Incorporated AH352x Hall-Effect Omnipolar Switches

Features

Applications

Typical Applications Circuit

Block Diagram

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