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Allegro Microsystems Surface Hall Effect Sensor, 2.5V to 3.5V, SOT-23 3-Pin A3212ELHLT-T
Specifications
| Country of Origin | India |
|---|---|
| Brand | Allegro Microsystems |
| Response time | 45μs |
| Height | 950μm |
| Length | 2.98mm |
| Model | A3212ELHLT-T |
| Technology | CMOS, Chopper Stabilised |
| Sensor Type | Hall Effect Sensors |
| Width | 1.91mm |
| Mount Type | Surface |
| Series | A3211A3212 |
| Maximum Operating Temperature | 85°C |
| Package Type | SOT-23 |
| Minimum Operating Temperature | -40°C |
| Standards/Approvals | AEC-Q100 |
| Pin Count | 3 |
| Automotive Standard | AEC-Q100 |
| Maximum Supply Voltage | 3.5V |
| Minimum Supply Voltage | 2.5V |
| Supply Current | 2mA |
| Magnetic Type | Omnipolar |
| Maximum Frequency Response | 340kHz |
Key Features
- Operates over a voltage range of 2.5 V to 3.5 V ensuring flexible integration.
- Omnipolar magnetic sensitivity allows switching with either magnetic pole.
- Compact SOT-23 surface mount package with a 3-pin configuration for easy PCB integration.
- Chopper stabilized CMOS technology enhances sensor stability by reducing offset voltages.
- Supports frequencies up to 340 kHz with a fast 45 µs response time.
- Wide operating temperature range from -40°C to 85°C suits automotive and industrial applications.
- Low supply current of 2 mA reduces power consumption for embedded systems.
- Complies with AEC-Q100 automotive standard for quality and reliability.
Product Description
Allegro Microsystems A3212ELHLT-T is an ultra-sensitive surface mount Hall Effect Sensor designed for accurate magnetic field detection in compact electronic assemblies. It operates seamlessly between a minimum supply voltage of 2.5 V and a maximum of 3.5 V, housed in a standard SOT-23 package with 3 pins, making it ideal for PCB surface mounting.
Employing CMOS chopper-stabilized technology, this sensor reduces residual offset voltage caused by temperature variations and packaging stresses, thereby ensuring signal precision and long-term stability. Its omnipolar magnetic sensor design means it can respond to either magnetic pole, allowing easy integration in omnidirectional magnetic field sensing applications.
The device offers a maximum frequency response of 340 kHz and a rapid response time of 45 µs, making it suitable for detecting quick changes in magnetic fields in applications such as motion detection, position sensing, and speed measurement in automotive, industrial controls, and consumer electronics.
Designed to meet the automotive AEC-Q100 qualification standard, it provides robust performance over a broad temperature range of -40°C to 85°C, suitable for harsh environments. The sensor draws a modest supply current of 2 mA, beneficial for power-conscious embedded systems.
With a physical dimension of 2.98 mm in length, 1.91 mm in width, and 950 µm in height, this compact component fits easily within small electronic modules. The 3-pin configuration facilitates straightforward PCB layout and soldering.
Operates over 2.5 V to 3.5 V supply voltage. Omnipolar magnetic sensing for flexible magnetic field detection. Surface mount SOT-23 3-pin package. CMOS chopper-stabilized technology for high stability. High frequency response up to 340 kHz and 45 µs response time.
Wide operating temperature range (-40°C to 85°C) compliant with AEC-Q100. Low supply current of 2 mA for energy-efficient operation. Compact dimensions enabling use in space-constrained designs.
This Hall Effect Sensor is ideal for industrial, automotive, consumer electronics, and instrumentation applications requiring precise, rapid, and reliable magnetic field sensing. Explore more sensors and electronic components to complement your designs at EnvMart.
Explore more products in our Hall Effect Sensors category.
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Frequently Asked Questions
The sensor operates over a supply voltage range of 2.5 V to 3.5 V, allowing for flexible integration into various applications.
This model supports a maximum frequency response of 340 kHz, making it suitable for applications that require rapid detection of changes in magnetic fields.
The response time of the A3212ELHLT-T is 45 µs, enabling quick reaction to magnetic field variations.
It is housed in a compact SOT-23 surface mount package with a 3-pin configuration, facilitating easy PCB integration.
The sensor operates within a temperature range of -40°C to 85°C, making it suitable for both automotive and industrial applications.
It employs CMOS chopper-stabilized technology, which enhances stability by reducing offset voltages caused by temperature variations and packaging stresses.
The A3212ELHLT-T has a low supply current of 2 mA, which is beneficial for energy-efficient embedded systems.
It features omnipolar magnetic sensitivity, allowing it to switch with either magnetic pole, which enhances its versatility in applications.
This model measures 2.98 mm in length, 1.91 mm in width, and 950 µm in height, making it compact for space-constrained designs.
Yes, it complies with the AEC-Q100 automotive standard, ensuring quality and reliability for automotive applications.
It is ideal for applications such as motion detection, position sensing, and speed measurement in automotive, industrial controls, and consumer electronics.
The chopper-stabilized technology reduces residual offset voltage caused by temperature variations, ensuring signal precision and long-term stability.
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