A1454KLETR-2N-T Sensors, Transducers

Magnetic Sensors - Linear, Compass (ICs)

The A1454KLETR-2N-T is a linear Hall Effect sensor IC from Allegro Microsystems. It is a two channel, low noise, chopper-stabilized Hall effect sensor IC, designed for high-temperature applications. The device provides superior stability over a wide temperature range while enabling precise and reliable sensing of magnetic flux density.

A1454KLETR-2N-T uses Hall effect sensing technology to measure magnetic flux density and detect zero crossings. Its primary application fields include motor control, high temperature monitoring, machine encoding, and high temperature sensing. The device can detect very high magnetic fields that cannot be measured with conventional Hall effect ICs, making it suitable for a wide range of precise and reliable applications.

Working Principle

The A1454KLETR-2N-T features a low noise chopper-stabilized architecture to ensure long-term stability and reliable readings across an extended temperature range. Its two channels are optimized for the rapid measurement of complex magnetic waveforms, ensuring accurate and reliable output. Its dynamic range of 4500μT enables the detection of high magnetic fields.

The device uses Hall-effect technology to sense the magnetic field around it and generates an output voltage in relation to it. The output voltage is a function of the field strength in the range of -3500μT to +3500μT. The device features a low inrush current of 4mA and a fast response time of 150 μs, making it suitable for applications that require high precision and fast response time.

The A1454KLETR-2N-T also features an adjustable turn-off threshold and a logic-level output to enable precise operation in motor control and high temperature monitoring applications. Additionally, the device provides open drain output for sinking current when the device is in the quiescent state, and the output is high impedance when it is detecting a zero crossing.

Advantages

The A1454KLETR-2N-T has several advantages over conventional Hall Effect sensors. It has a low noise chopper-stabilized architecture, which ensures that it is able to provide a reliable and robust output. Additionally, the device can detect high magnetic fields up to 4500μT, and its fast response time allows it to quickly detect changes in magnetic flux density.

The A1454KLETR-2N-T also has adjustable turn-off thresholds, which enables accurate operation in motor control applications, and its logic-level output enables faster and more precise operation. Additionally, the device is designed to maintain its precision and stability even in high temperature environments, which makes it suitable for applications such as high temperature monitoring or machine encoding.

Conclusion

The A1454KLETR-2N-T is a versatile and reliable linear Hall Effect Sensor IC from Allegro Microsystems. It features a low noise, chopper-stabilized architecture and a wide dynamic range, making it suitable for applications that require precise and robust sensing of magnetic flux density. Additionally, the device provides adjustable turn-off thresholds, logic level outputs, and open drain outputs, making it suitable for applications such as motor control and high temperature monitoring.