Quality Standards and Environmental Certifications

APS12205, APS12215, and APS12235: High-Temperature Hall-Effect Latches for Low Voltage Applications

APS12205/15/35 Datasheet

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The APS12205, APS12215, and APS12235* Hall-effect sensor ICs are extremely temperature-stable and stress-resistant devices especially suited for operation over extended junction temperature ranges up to 175°C. Superior high-temperature performance is made possible through dynamic offset cancellation, which reduces the residual offset voltage normally caused by device overmolding, temperature dependencies, and thermal stress.

The single silicon chip includes: a Hall plate, small signal amplifier, chopper stabilization, Schmitt trigger, and a shortcircuit-protected open-drain output to sink up to 10 mA. A south pole of sufficient strength turns the output on; a north pole of sufficient strength is necessary to turn the output off. For applications requiring operation from greater than 5.5 V or operation directly from a battery, refer to the A1220, A1221, or A1223.

Two package styles provide a choice of through-hole or surface mounting. Package type LH is a modified 3-pin SOT23W surface-mount package, while UA is a three-pin ultramini SIP for through-hole mounting. Both packages are lead (Pb) free, with 100% matte-tin-plated leadframes.

*Contact Allegro for availability

Optimized for applications with regulated power rails
- Operation from 2.8 to 5.5 V
AEC-Q100 automotive qualified
Operation up to 175°C junction temperature
Dynamic offset cancellation
- Resistant to physical stress
- Superior temperature stability
Symmetrical latch switchpoints
Output short-circuit protection
Solid-state reliability
Industry-standard packages and pinouts

LH Package Documentation

UA Package Documentation

Part Number Specifications and Availability

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Part Number	Output	Sensor Type	Supply Voltage Min (V)	Supply Voltage Max (V)	Temp Ranges	AEC-Q100 Qualified	ASIL Rated	Package	Typical BOP (mT/G)	Typical BRP (mT/G)	Part Composition / RoHS Data	Check Stock
APS12205ELHALT	Voltage	1D Planar	2.8	5.5	-40°C to 85°C	-	-	3-Pin SOT23W	2.2/22	-2.2/-22	View Data	Check Distributor Stock
APS12205ELHALX	Voltage	1D Planar	2.8	5.5	-40°C to 85°C	-	-	3-Pin SOT23W	2.2/22	-2.2/-22	View Data	Check Distributor Stock
APS12205LLHALT	Voltage	1D Planar	2.8	5.5	-40°C to 150°C	-	-	3-Pin SOT23W	2.2/22	-2.2/-22	View Data	Check Distributor Stock
APS12205LLHALX	Voltage	1D Planar	2.8	5.5	-40°C to 150°C	-	-	3-Pin SOT23W	2.2/22	-2.2/-22	View Data	Check Distributor Stock
APS12205LUAA	Voltage	1D Planar	2.8	5.5	-40°C to 150°C	-	-	3-Pin SIP	2.2/22	-2.2/-22	View Data	Check Distributor Stock
APS12215LLHALT	Voltage	1D Planar	2.8	5.5	-40°C to 150°C	-	-	3-Pin SOT23W	5/50	-5/-50	View Data	Check Distributor Stock
APS12215LLHALX	Voltage	1D Planar	2.8	5.5	-40°C to 150°C	-	-	3-Pin SOT23W	5/50	-5/-50	View Data	Check Distributor Stock
APS12215LUAA	Voltage	1D Planar	2.8	5.5	-40°C to 150°C	-	-	3-Pin SIP	5/50	-5/-50	View Data	Check Distributor Stock
APS12235LLHALT	Voltage	1D Planar	2.8	5.5	-40°C to 150°C	-	-	3-Pin SOT23W	15/150	-15/-150	View Data	Check Distributor Stock
APS12235LLHALX	Voltage	1D Planar	2.8	5.5	-40°C to 150°C	-	-	3-Pin SOT23W	15/150	-15/-150	View Data	Check Distributor Stock
APS12235LUAA	Voltage	1D Planar	2.8	5.5	-40°C to 150°C	-	-	3-Pin SIP	15/150	-15/-150	View Data	Check Distributor Stock

Part Number	Output	Sensor Type	Supply Voltage Min (V)	Supply Voltage Max (V)	Temp Ranges	Package	Typical BOP (mT/G)	Typical BRP (mT/G)
APS12205ELHALT	Voltage	1D Planar	2.8	5.5	-40°C to 85°C	3-Pin SOT23W	2.2/22	-2.2/-22
APS12205ELHALX	Voltage	1D Planar	2.8	5.5	-40°C to 85°C	3-Pin SOT23W	2.2/22	-2.2/-22
APS12205LLHALT	Voltage	1D Planar	2.8	5.5	-40°C to 150°C	3-Pin SOT23W	2.2/22	-2.2/-22
APS12205LLHALX	Voltage	1D Planar	2.8	5.5	-40°C to 150°C	3-Pin SOT23W	2.2/22	-2.2/-22
APS12205LUAA	Voltage	1D Planar	2.8	5.5	-40°C to 150°C	3-Pin SIP	2.2/22	-2.2/-22
APS12215LLHALT	Voltage	1D Planar	2.8	5.5	-40°C to 150°C	3-Pin SOT23W	5/50	-5/-50
APS12215LLHALX	Voltage	1D Planar	2.8	5.5	-40°C to 150°C	3-Pin SOT23W	5/50	-5/-50
APS12215LUAA	Voltage	1D Planar	2.8	5.5	-40°C to 150°C	3-Pin SIP	5/50	-5/-50
APS12235LLHALT	Voltage	1D Planar	2.8	5.5	-40°C to 150°C	3-Pin SOT23W	15/150	-15/-150
APS12235LLHALX	Voltage	1D Planar	2.8	5.5	-40°C to 150°C	3-Pin SOT23W	15/150	-15/-150
APS12235LUAA	Voltage	1D Planar	2.8	5.5	-40°C to 150°C	3-Pin SIP	15/150	-15/-150

Documentation and Resources

Documentation

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Documents Found: 8

Document Type	Document Name
Application Note	Allegro Microsystems - Chemical Exposure of Devices
Application Note	Handling, Storage, and Shelf Life of Semiconductor Devices
Application Note	Allegro Hall-Effect Sensor ICs
Application Note	Latching Switch Hall-Effect IC Basics
Application Note	Vehicle Safety Systems
Selection Guide	Allegro Product Selection Guide
User Guide	Guidelines for Designing Subassemblies Using Hall-Effect Devices
User Guide	Hall-Effect IC Applications Guide