A3144 Hall Effect Sensor
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The device includes an on-chip Hall voltage generator for magnetic sensing, a comparator that amplifies the Hall voltage, and a Schmitt trigger to provide switching hysteresis for noise rejection, and open-collector output. An internal bandgap regulator is used to provide temperature compensated supply voltage for internal circuits and allows a wide operating supply range.
If a magnetic flux density is larger than threshold Bop, DO is turned on (low). The output state is held until a magnetic flux density reversal falls below Brp causing DO to be turned off (high).
-34%
A3144 Hall Effect Sensor
Available:In Stock
- Product SKU: KG1070
₹ 19
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Warehouse Details
Specification
Description
A3144 Hall Effect Sensor
The A3144E(US1881) is an integrated Hall effect latched sensor. That’s nice but what does it do? Holding a magnet near the sensor will cause the output pin to toggle. This makes for a robust presence sensor. A reed sensor also works nicely, but can be limited by the glass encapsulation and size. A hall effect sensor is much smaller, but can handle less current than a reed switch.The device includes an on-chip Hall voltage generator for magnetic sensing, a comparator that amplifies the Hall voltage, and a Schmitt trigger to provide switching hysteresis for noise rejection, and open-collector output. An internal bandgap regulator is used to provide temperature compensated supply voltage for internal circuits and allows a wide operating supply range.
If a magnetic flux density is larger than threshold Bop, DO is turned on (low). The output state is held until a magnetic flux density reversal falls below Brp causing DO to be turned off (high).
Technical Details
- Operating Voltage: 3.5V – 24V DC
- Current Consumption: Low power usage
- Output Type: Open-collector
- Maximum Sinking Output Current: 50mA
- Response Time: Fast switching
- Temperature Compensation: Built-in for stability
- Reverse Polarity Protection: Yes
- Package Type: TO-92
Features
- 3.5V – 24V DC operation
- Low power consumption
- Temperature compensated
- Wide voltage range
- Open-collector pre-driver
- 50mA max sinking output
- Reverse polarity protection
- Lead-free TO-92 package
Applications :
- Proximity sensing – Detects nearby magnetic fields
- Speed measurement – Used in motor and fan speed monitoring
- Position detection – Determines the position of rotating objects
- Current sensing – Measures electrical current in circuits
- Security systems – Magnetic door and window sensors
Physical Attributes
- Dimension: 21.7mm x 8.7mm
- Weight: 0.3 g
Package Includes
- 1 x A3144 Hall Effect Sensor
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