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Allegro Microsystems Surface Mount Digital Omnipolar Hall Effect Sensor 2.4 V to 5.5 V 3-Pin SOT-23 Package A3213ELHLT-T
Specifications
| Country of Origin | India |
|---|---|
| Brand | Allegro Microsystems |
| Response time | 60μs |
| Height | 950μm |
| Length | 2.98mm |
| Model | A3213ELHLT-T |
| Technology | Digital |
| Sensor Type | Hall Effect Sensors |
| Width | 1.91mm |
| Mount Type | Surface |
| Series | A3213 |
| Maximum Operating Temperature | 85°C |
| Package Type | SOT-23 |
| Minimum Operating Temperature | -40°C |
| Standards/Approvals | Lead (Pb) Free100% |
| Pin Count | 3 |
| Automotive Standard | AEC-Q100 |
| Maximum Supply Voltage | 5.5V |
| Minimum Supply Voltage | 2.4V |
| Supply Current | 2mA |
| Magnetic Type | Omnipolar |
| Maximum Frequency Response | 340kHz |
Key Features
- Operates with a minimum supply voltage of 2.4 V and maximum of 5.5 V.
- Compact SOT-23 3-pin package measuring approximately 2.98 mm by 1.91 mm by 950 μm high.
- Features micropower operation with a supply current of 2 mA and fast response time of 60 μs.
- Wide operating temperature range from -40°C to 85°C with high temperature stability and low switchpoint drift.
- Automotive AEC-Q100 qualification ensures robust performance under harsh conditions.
- Omnipolar sensing detects magnetic fields from either north or south poles.
- Lead (Pb) free and RoHS compliant for environmental safety.
- Maximum frequency response of 340 kHz suitable for motion sensing and switching applications.
Product Description
Allegro Microsystems A3213ELHLT-T is an ultra-sensitive, digital Hall Effect switch designed for surface mounting in a small SOT-23 3-pin package. It operates on a supply voltage range from 2.4 V to 5.5 V, making it ideal for battery-powered and portable equipment requiring micropower consumption.
This sensor offers omnipolar magnetic sensing, enabling detection of magnetic fields from both north and south poles for flexible application. The chip integrates a Hall voltage generator, a small signal amplifier, chopper stabilization, a latch, and a MOSFET output stage.
The device features a fast response time of 60 microseconds and a maximum frequency response of 340 kHz, suitable for high-speed motion detection tasks in automotive, industrial, and consumer electronics markets.
Its operating temperature range spans from -40°C to 85°C with excellent temperature stability and low switchpoint drift, ensuring reliable switching performance in diverse environments. The sensor is fully automotive qualified under AEC-Q100 standards and is lead-free to comply with environmental regulations.
The compact package with a length of 2.98 mm, width of 1.91 mm, and height of 950 μm supports integration into space-constrained PCBs. Supply current is only 2 mA, providing energy-efficient operation suited for portable and battery-powered applications.
Typical use cases include position sensing, current sensing, speed detection, and proximity sensing in industrial automation, automotive systems, consumer electronics, and instrumentation.
This product is supplied in reels, ready for automated placement in high-volume manufacturing processes, facilitating improved production efficiency.
Explore the Allegro Microsystems catalog on EnvMart for further Hall Effect Sensors and other high-quality sensor ICs suitable for demanding industrial and automotive applications.
Operates between 2.4 V and 5.5 V supply voltage. Omnipolar magnet sensing with latched digital output. Micropower consumption with 2 mA typical supply current. Compact SOT-23 3-pin surface mount package. Automotive-grade AEC-Q100 certification.
Operating temperature range -40°C to 85°C. Fast 60 microseconds response time and 340 kHz maximum frequency response. Lead-free and RoHS compliant.
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Frequently Asked Questions
This model operates with a supply voltage range from 2.4 V to 5.5 V.
It features a fast response time of 60 microseconds.
The compact SOT-23 package measures approximately 2.98 mm in length, 1.91 mm in width, and 950 μm in height.
The maximum frequency response is 340 kHz, making it suitable for high-speed motion detection applications.
This sensor operates within a temperature range of -40°C to 85°C.
It has a typical supply current of 2 mA, allowing for energy-efficient operation.
It supports omnipolar magnetic sensing, detecting magnetic fields from both north and south poles.
Yes, it is automotive-grade and qualified under AEC-Q100 standards.
The sensor provides a latched digital output for its magnetic sensing capabilities.
The A3213ELHLT-T is manufactured in India.
Yes, it is lead (Pb) free and RoHS compliant for environmental safety.
Typical applications include position sensing, current sensing, speed detection, and proximity sensing in various sectors such as automotive and industrial automation.
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