ALLEGRO MICROSYSTEMS A1222LUA-T Hall Effect Sensor, Latching, 25 mA, SIP, 3 Pins, 3 V, 24 V
The A1222 is a Hall-Effect sensor. And this article will unlock more detailed information about A1222.
A1222 Sensor: Datasheet, Application, Function
ALLEGRO MICROSYSTEMS A1222LUA-T Hall Effect Sensor, Latching, 25 mA, SIP, 3 Pins, 3 V, 24 V The A1222 is a Hall-Effect sensor. And this article will unlock more detailed information about A1222.
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Aug 19, 2021
Ralap Larkin
A1222LUA-T
7464In Stock
Min.: 1 Mult.: 1
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.59244 | $1.59 |
| 10+ | $1.50231 | $15.02 |
| 100+ | $1.41727 | $141.73 |
| 500+ | $1.33705 | $668.53 |
| 1000+ | $1.26137 | $1261.37 |
Unit Price:$1.59244
Subtotal: $1.59
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A1222 Pinout
A1222 Description
The A1222 Hall-effect sensor IC is extremely temperature-stable and stress-resistant devices especially suited for operation over extended temperature ranges to 150°C.
Specifications
Allegro MicroSystems A1222LUA-T technical specifications, attributes, parameters and parts with similar specifications to Allegro MicroSystems A1222LUA-T.
A1222LUA-T Tech Specifications
A1222LUA-T Tech Specifications
Allegro MicroSystems A1222LUA-T technical specifications, attributes, parameters and parts with similar specifications to Allegro MicroSystems A1222LUA-T.
| Product Attribute | Attribute Value | |
|---|---|---|
| Factory Lead Time | 8 Weeks | |
| Mount | Through Hole | |
| Mounting Type | Through Hole | |
| Package / Case | 3-SSIP | |
| Number of Pins | 3Pins | |
| Test Conditions | -40°C ~ 150°C | |
| Operating Temperature | -40°C~150°C TA | |
| Packaging | Bulk | |
| Series | Automotive, AEC-Q100 | |
| Published | 2009 | |
| JESD-609 Code | e3 | |
| Pbfree Code | yes | |
| Part Status | Active |
| Product Attribute | Attribute Value | |
|---|---|---|
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
| Number of Terminations | 3Terminations | |
| Terminal Finish | Matte Tin (Sn) | |
| Additional Feature | REVERSE BATTERY PROTECTION, SHORT-CIRCUIT PROTECTION | |
| Voltage - Supply | 3V~24V | |
| Function | Latch | |
| Output Type | Open Drain | |
| Max Output Current | 25mA | |
| Termination Type | SOLDER | |
| Operating Supply Current | 4mA | |
| Polarization | South Pole | |
| Output Current | 25mA | |
| Max Supply Current | 4mA |
| Product Attribute | Attribute Value | |
|---|---|---|
| Sensing Range | 15mT Trip, -15mT Release | |
| Hysteresis | 22 mT | |
| Output Circuit Type | SINGLE-ENDED | |
| Magnetic Field Range-Min | -15 mT | |
| Magnetic Field Range-Max | 15 mT | |
| Height | 3.02mm | |
| Length | 4.09mm | |
| Width | 1.52mm | |
| REACH SVHC | No SVHC | |
| Radiation Hardening | No | |
| RoHS Status | ROHS3 Compliant |
A1222 Features
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AEC-Q100 automotive qualified
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Quality Managed (QM), ISO 26262:2011 compliant
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Symmetrical latch switch points
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Resistant to physical stress
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Superior temperature stability
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Output short-circuit protection
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Operation from unregulated supply down to 3 V
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Reverse-battery protection
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Solid-state reliability
-
Small package sizes
A1222 Application
Extensive applications information for Hall-effect devices is available in:
• Hall-Effect IC Applications Guide, Application Note 27701
• Guidelines for Designing Subassemblies Using Hall-Effect Devices, Application Note 27703.1
• Soldering Methods for Allegro’s Products – SMT and ThroughHole, Application Note 26009
A1222 Functional Block Diagram
The output of these devices switches low (turns on) when a magnetic field perpendicular to the Hall element exceeds the operate point threshold, BOP (see panel A of figure 1). After turn-on, the output voltage is VOUT(SAT).
The functional block diagram is given below:
A1222 Package
A1222 Manufacturer
As a leading company in the development, manufacture and market of high-performance semiconductors, Allegro MicroSystems, LLC provides high-growth applications for the automotive market and also stays focus on consumer/communications, automation and industrial solutions. Headquartered in Worcester, Massachusetts (USA) Allegro locates its design, applications and sales support centres worldwide.
Datasheet PDF
Download datasheets and manufacturer documentation for Allegro MicroSystems A1222LUA-T.
A1222LUA-T Documents
A1222LUA-T Documents
Download datasheets and manufacturer documentation for A1222LUA-T
Datasheets
A1220-23
Frequently Asked Questions
What is the A1222 family?
The A1222 family of Hall-effect sensor ICs is extremely temperature-stable and stress-resistant devices especially suited for operation over extended temperature ranges to 150°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. Each device includes on a single silicon chip a voltage regulator, Hall voltage generator, small-signal amplifier, chopper stabilization, Schmitt trigger, and a short-circuit protected open-drain output to sink up to 25 mA.
What about the functional safety of A1222?
The A1222 complies with the international standard for automotive functional safety, ISO 26262:2011, as Quality Managed (QM) products. This device is each classified as a SEooC (Safety Element out of Context) and can be easily integrated into safety-critical systems requiring higher ASIL ratings that incorporate external diagnostics or use measures such as redundancy. Safety documentation will be provided to support and guide the integration process. For further information, contact your local Allegro field applications engineer or sales representative.
FAQ
What is the A1222 family?
The A1222 family of Hall-effect sensor ICs is extremely temperature-stable and stress-resistant devices especially suited for operation over extended temperature ranges to 150°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. Each device includes on a single silicon chip a voltage regulator, Hall voltage generator, small-signal amplifier, chopper stabilization, Schmitt trigger, and a short-circuit protected open-drain output to sink up to 25 mA.
What about the functional safety of A1222?
The A1222 complies with the international standard for automotive functional safety, ISO 26262:2011, as Quality Managed (QM) products. This device is each classified as a SEooC (Safety Element out of Context) and can be easily integrated into safety-critical systems requiring higher ASIL ratings that incorporate external diagnostics or use measures such as redundancy. Safety documentation will be provided to support and guide the integration process. For further information, contact your local Allegro field applications engineer or sales representative.
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