DRV425RTJT

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The DRV425RTJT is a Linear Magnetic Sensor that is designed to measure the magnetic fields in three spatial axes. This sensor has three main advantages: It has a small form factor, wide operating voltage range, and is optimized for high performance in small magnetic field sensing applications. It is commonly used in industrial, automotive, and consumer applications.

The DRV425RTJT is a 3-axis linear Hall Effect Magnetic Sensor combined with a CMOS transistor for enhanced dynamic range. The sensor is capable of measuring a wide range of low to medium bias magnet field strengths in three X, Y, and Z axes. The Linear Hall effect sensor consists of two offset proportional outputs, X and Y, which are amplified/sensed simultaneously. The sensor IC is programmed to measure the time-correlated position of two poles passing through the sensing area for accurate detection of magnetic fields and rotation position up to 12 bits of resolution – i.e. 4192 steps.

The DRV425RTJT can accurately detect and measure magnetic field strength, direction, and position because it is equipped with a selectable gain amplifier that enables both low-current measurements and large external gains up to +20dB. The sensor also has a +/-5V input voltage range, fast output settling time, and a single-wire serial output for easy communication.

The DRV425RTJT is a fully programmable Hall Effect Magnetic Sensor that has optimized detection performance in low magnetic field components. It has a low quiescent current of 2.7mA and wide voltage range of 1.6-5.5V. The power down mode suitability also makes the DRV425RTJT extremely energy efficient with very low power consumption. The device has an intuitive graphical user interface (GUI) for easy configuration and control.

The DRV425RTJT is a great choice for a range of linear magnetic sensor applications. It can be used in industrial, automotive, and consumer applications that require high accuracy magnetic field sensing. Examples include brushless DC motors, actuators, and other linear motion sensing. It is also widely used in compass and navigation applications that require reliable and accurate linear magnetic readings. The features and advantages of the DRV425RTJT device make it well-suited for these applications.

The DRV425RTJT linear magnetic sensor works on the principle of Hall Effect. The Hall Effect principle states that when an electric current passes through a metal conductor in the presence of a magnetic field, a perpendicular voltage is induced. This voltage depends on the strength of the magnetic field and the direction of its vector. When an electric current passes through the metal conductor, a perpendicular hall voltage is induced, which is proportional to the magnet field strength along with the directional vector.

The DRV425RTJT sensor has a Hall Effect transducer and a biasing magnet. The excess electrons located in the Hall Effect transducer under the influence of the magnetic field form a voltage signal. The Hall Effect transducer converts the magnetic field into a voltage or current output which is then amplified by the built-in amplifier and output as a signal, depending on the input and gain settings.

The DRV425RTJT combines the Hall Effect transducer and advanced amplifier technology to provide a low cost, high performance linear magnetic sensing solution. Its optimized performance and wide range of features makes it an attractive choice for cost-sensitive applications with low magnetic field strength requirements. It is a great choice for brushless motors, linear actuators, and navigation applications.

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