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Allegro Microsystems Surface Mount Omnipolar Hall Effect Sensor Digital SOT-23 3-Pin 3V-24V A1126LLHLT-T
Specifications
| Country of Origin | Philippines |
|---|---|
| Brand | Allegro Microsystems |
| Response time | 25μs |
| Height | 950μm |
| Length | 2.98mm |
| Model | A1126LLHLT-T |
| Technology | Digital |
| Sensor Type | Hall Effect Sensors |
| Width | 1.91mm |
| Mount Type | Surface |
| Series | A1126 |
| Maximum Operating Temperature | 150°C |
| Package Type | SOT-23 |
| Minimum Operating Temperature | -40°C |
| Standards/Approvals | RoHS |
| Pin Count | 3 |
| Automotive Standard | AEC-Q100 |
| Maximum Supply Voltage | 24V |
| Minimum Supply Voltage | 3V |
| Supply Current | 4mA |
| Magnetic Type | Omnipolar |
Key Features
- This sensor operates from 3 V to 24 V supply voltage range.
- Designed in a compact SOT-23 3-pin package suitable for surface mounting.
- Omnipolar magnetic sensing allows activation by either north or south magnetic polarity.
- Suitable for automotive and industrial applications with AEC-Q100 qualification.
- Wide operating temperature from -40°C to 150°C ensures reliability in harsh environments.
- Integrated voltage regulator and chopper stabilization provide stable and low-drift magnetic sensing.
- Short circuit protected open-drain digital output ensures robust interface with circuits.
- Response time is rapid at 25 microseconds for effective real-time sensing.
Product Description
Allegro Microsystems A1126LLHLT-T is an omnipolar Hall Effect sensor designed for sensitive and stable magnetic field detection in a compact surface mount SOT-23 package. Operating from 3 V to 24 V supply voltage, this digital sensor integrates a voltage regulator, Hall voltage generator, amplifier, chopper stabilization, Schmitt trigger and open-drain output with short circuit protection.
The omnipolar sensing capability enables activation by either magnetic polarity (north or south), making it an excellent alternative to reed switches without magnet orientation constraints. This feature simplifies manufacturing and ensures consistent operation in diverse environments.
The sensor is AEC-Q100 automotive qualified and operates reliably over an extended temperature range of -40°C to 150°C. Its rugged design provides robust electrostatic discharge (ESD) and electromagnetic compatibility (EMC) protection, enhancing reliability in industrial, automotive, HVAC, and commercial applications.
With a fast 25 microseconds response time and low supply current of 4mA, the A1126LLHLT-T sensor is ideal for real-time magnetic sensing and switching. Its small dimensions (2.98mm × 1.91mm × 0.95mm) allow integration into compact PCB layouts in electronic control units, motor controls, and position sensing systems.
This sensor is suited for applications in automotive safety and control systems, industrial automation, HVAC monitoring, and other electronic devices requiring stable magnetic switching.
This device supports stable omnipolar magnetic sensing through chopper stabilization technology. Integrated regulator allows operation up to 24 V supply voltage for compatibility with automotive power systems. Robust open-drain output stage provides short circuit protection and ensures safe interfacing.
Compact and lightweight package accommodates dense PCB designs for space-saving solutions. Extensive temperature range and automotive certification enable use in demanding environments. Explore the Allegro Microsystems Hall Effect Sensor range and other sensor ICs on EnvMart for your industrial and automotive electronics projects.
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Frequently Asked Questions
This model operates within a supply voltage range of 3 V to 24 V.
The response time of the A1126LLHLT-T is 25 microseconds, allowing for effective real-time sensing.
It has dimensions of 2.98 mm in length, 1.91 mm in width, and a height of 0.95 mm.
The sensor features an open-drain output with short circuit protection, ensuring robust interfacing with circuits.
The A1126LLHLT-T operates reliably within a temperature range of -40°C to 150°C.
Yes, it is AEC-Q100 qualified, making it suitable for automotive applications.
It employs omnipolar magnetic sensing, allowing activation by either north or south magnetic polarity.
The supply current for this sensor is 4 mA.
This sensor is packaged in a compact SOT-23 surface mount package.
It complies with RoHS standards, ensuring it meets environmental regulations.
It includes robust electrostatic discharge (ESD) and electromagnetic compatibility (EMC) protection.
This model has a total of 3 pins.
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