AH3376
HIGH VOLTAGE LOW SENSITIVITY
HALL EFFECT UNIPOLAR SWITCH
Description
Pin Assignments
The AH3376 is a high voltage low sensitivity Hall Effect Unipolar
switch IC designed for proximity, position and level sensing in
(Top View)
industrial and consumer home appliances and personal care
applications. To support wide range of demanding applications, the
3 OUTPUT
design has been optimized to operate over the supply range of 3.0V
GND 2
NEW PRODUCT
to 28V. With chopper stabilized architecture and an internal bandgap
1 VDD
regulator to provide temperature compensated supply for internal
circuits, the AH3376 provides a reliable solution over the whole
SC59 and SOT23
operating range. For robustness and protection, the device has a
reverse blocking diode with a Zener clamp on the supply. The output
has an over current limit and a Zener clamp.
The single open drain output can be switched on with South pole of
sufficient strength. When the magnetic flux density (B) perpendicular
(Top View)
to the package is larger than the operate point (BOP) the output is
switched on (pulled low) and is held on until magnetic flux density B
3. OUTPUT
is lower than the release point (BRP). The output remains switched off
2. GND
for North pole fields to or no magnetic fields.
1. VDD
SIP-3 (Bulk Pack)
The magnetic operating and release polarity is opposite for SOT23
and SC59 packages. The SOT23 and SIP-3 (Ammo Pack), SIP-3
(Bulk Pack) packages will require south pole to the part marking side
to operate while the SC59 will require south pole to the non-part
Applications
marking side.
•
Features
Position and Proximity Sensing in Consumer Home Appliances,
Building Automation, Office Equipments and Industrial Applications
Unipolar Operation
•
Open and Close Detect
•
Low Sensitivity: BOP and BRP of +100G and +85G Typical
•
Position Detect
•
Single Open Drain Output with Over Current Limit
•
Level Detect
•
3.0V to 28V Operating Voltage Range
•
Flow Meters
Chopper Stabilized Design Provides
•
Contact-less Switches
•
•
o
Superior Temperature Stability
o
Minimal Switch Point Drift
o
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
•
ESD: HBM > 6kV
•
Industry Standard SC59, SOT23 and SIP-3 (Ammo Pack), SIP-3
(Bulk Pack) Packages
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.
2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and
Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain
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