Product Overview
The A1220, A1221, A1222, and A1223 are extremely temperature-stable and stress-resistant Hall-effect sensor ICs designed for operation over extended temperature ranges up to 150C. Featuring dynamic offset cancellation for superior high-temperature performance, these devices integrate a voltage regulator, Hall-voltage generator, amplifier, chopper stabilization, Schmitt trigger, and a short-circuit protected open-drain output. They operate from supply voltages of 3 to 24 V and are available in SOT23W (LH) and SIP (UA) packages. These sensors are AEC-Q100 automotive qualified and ISO 26262 compliant, making them suitable for demanding applications.
Product Attributes
- Brand: Allegro MicroSystems
- Certifications: AEC-Q100 automotive qualified, Quality Managed (QM), ISO 26262 compliant
- Material: Lead (Pb) free, 100% matte-tin-plated leadframes
- Package Styles: 3-pin SOT23W (LH), 3-pin SIP (UA)
Technical Specifications
| Part Number | Mounting | Ambient Temperature (TA) | BRP (Min) | BOP (Max) | Operating Supply Voltage | Output Current | Output Saturation Voltage (Typ.) | Supply Current (Typ.) |
| A1220ELHLX-T | 3-pin SOT23W surface mount | 40C to 85C | 40 G | 40 G | 3 24 V | 25 mA | 185 mV | 4 mA |
| A1220LLHLX-T | 3-pin SOT23W surface mount | 40C to 150C | 40 G | 40 G | 3 24 V | 25 mA | 185 mV | 4 mA |
| A1220EUA-T | 3-pin SIP through hole | 40C to 85C | 40 G | 40 G | 3 24 V | 25 mA | 185 mV | 4 mA |
| A1220LUA-T | 3-pin SIP through hole | 40C to 150C | 40 G | 40 G | 3 24 V | 25 mA | 185 mV | 4 mA |
| A1221ELHLX-T | 3-pin SOT23W surface mount | 40C to 85C | 90 G | 90 G | 3 24 V | 25 mA | 185 mV | 4 mA |
| A1221LLHLX-T | 3-pin SOT23W surface mount | 40C to 150C | 90 G | 90 G | 3 24 V | 25 mA | 185 mV | 4 mA |
| A1221EUA-T | 3-pin SIP through hole | 40C to 85C | 90 G | 90 G | 3 24 V | 25 mA | 185 mV | 4 mA |
| A1221LUA-T | 3-pin SIP through hole | 40C to 150C | 90 G | 90 G | 3 24 V | 25 mA | 185 mV | 4 mA |
| A1222ELHLT-T | 3-pin SOT23W surface mount | 40C to 85C | 150 G | 150 G | 3 24 V | 25 mA | 185 mV | 4 mA |
| A1222LLHLT-T | 3-pin SOT23W surface mount | 40C to 150C | 150 G | 150 G | 3 24 V | 25 mA | 185 mV | 4 mA |
| A1222EUA-T | 3-pin SIP through hole | 40C to 85C | 150 G | 150 G | 3 24 V | 25 mA | 185 mV | 4 mA |
| A1222LUA-T | 3-pin SIP through hole | 40C to 150C | 150 G | 150 G | 3 24 V | 25 mA | 185 mV | 4 mA |
| A1223ELHLT-T | 3-pin SOT23W surface mount | 40C to 85C | 180 G | 180 G | 3 24 V | 25 mA | 185 mV | 4 mA |
| A1223LLHLT-T | 3-pin SOT23W surface mount | 40C to 150C | 180 G | 180 G | 3 24 V | 25 mA | 185 mV | 4 mA |
| A1223EUA-T | 3-pin SIP through hole | 40C to 85C | 180 G | 180 G | 3 24 V | 25 mA | 185 mV | 4 mA |
| A1223LUA-T | 3-pin SIP through hole | 40C to 150C | 180 G | 180 G | 3 24 V | 25 mA | 185 mV | 4 mA |
1811061513_ALLEGRO-A1220LUA-T_C113729.pdf
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