HAL516 UA-K

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The HAL516 UA-K application field and working principle focuses on the magnetic sensor category which include linear, compass (ICs) and other related topics.

A magnetic sensor is an electronic device used to measure magnetic fields. The measured field can be a static field, such as a permanent magnetic field or an induced field which arises from the interaction of a higher frequency magnetic field and the current flow of an electronic circuit. Magnetic sensors are also used in industry where rotary and linear motion can be measured reliably and accurately for applications such as servo motor speed control.

Linear magnetic sensors are based on the Hall effect, allowing them to measure both static and dynamic magnetic field components. As the name implies, linear magnetic sensors measure linear changes in both the static magnetic components and any dynamic changes that may occur in the magnetic field. These sensors typically provide a voltage signal that is proportional to the magnetic field strength in a given direction.

The HAL516 UA-K is a linear magnetic sensor that incorporates a Hall element and elements of a low-noise amplifier IC into a single package. It has a voltage output range of 0 to 5V and a devices sensitivity of 0.8mV/mT (millitesla). Additionally, the sampling time of the device is less than 0.5ms, and its output is virtually unaffected by temperature changes.

The HAL516 UA-K provides a reliable and accurate measurement of magnetic fields, made possible by the Hall element’s superior stability and sensitivity. Its low-noise amplifier IC features an internal temperature sensor, allowing the sensor to adjust and remain accurate in a wide temperature range (from –40℃ to +125℃). Furthermore, the HAL516 UA-K implements an innovative technology to make it compatible with the Australian magnetics standards, meaning it is suitable for any magnetism application conditions in Australia.

The HAL516 UA-K working principle is based on the Hall Effect principle, which states that when a current through a conductor is perpendicular to a magnetic field, a voltage is created which is proportional to the strength of the magnetic field. This voltage is then amplified and measured, providing a measurement of the current magnetic field in the conductor. The Hall effect integrated into the HAL516 UA-K generates and amplifies the net voltage across the Hall element, allowing the sensor to accurately measure the magnetic field strength in any given direction along the two axes of the device.

The device requires an external power source, which can be provided via a two-wire connection. This is done by connecting the negative lead of a DC power source to the device’s ground and the positive lead of the power source to the device’s VIN pin. The device then uses a programmable gain and reference voltage adjustment feature to accurately measure the net Hall voltage, which is then used to measure the magnetic field strength.

In conclusion, the HAL516 UA-K is a linear magnetic sensor that provides a reliable and accurate method for measuring magnetic fields. It features an innovative technology that makes it compatible with Australian magnetic standards, as well as a low-noise amplifier IC with an internal temperature sensor to adjust and remain accurate in various temperatures. Additionally, it requires an external power source for operation, and utilizes the Hall effect principle for its operation.

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