Hall Effect Sensor Circuit Symbol

For example some computer printers use them to.

Hall effect sensor circuit symbol.

The hall effect sensor we will use in this circuit is an a1302 hall effect sensor manufactured by allegro. Forms a hall effect sensor. This ic can detect magnetic fields. It is a three lead in line device in a low level transistor size black plastic case.

The current package for the hall effect sensor is very much like a transistor. For example when the ha sensor is under the n pole of the permanent magnet it outputs signal 1 otherwise 0. When the device is placed within a magnetic field the magnetic flux lines exert a force on the semiconductor material which deflects the charge carriers electrons and. Hall effect sensors consist basically of a thin piece of rectangular p type semiconductor material such as gallium arsenide gaas indium antimonide insb or indium arsenide inas passing a continuous current through itself.

Hall effect sensors are used for proximity sensing positioning speed detection and current sensing applications. Analogue hall effect sensor. Valid over operating voltage and temperature ranges unless otherwise noted. The transducers sensors and electrical and electronic detectors are elements activated by the energy delivered by a system and that in turn deliver another type of energy to another different system the transformed energy may be of physical chemical or biological origin.

Frequently a hall sensor is combined with threshold detection so that it acts as and is called a switch commonly seen in industrial applications such as the pictured pneumatic cylinder they are also used in consumer equipment. Also available from some manufacturers is a three pin surface mount package. Hall effect sensor ic dn6848 from panasonic is the heart of the circuit. Symbols of electronic sensors transducers detectors.

Typical data applies to v cc 12 v and t a 25 c characteristic symbol test conditions min. Although the hall effect sensor is a magnetic field sensor it can be used as the principle component in many other types of sensing devices current temperature. If we compared this sensor with basic hall effect sensor then this type of sensor gives the stable behavior in noisy environment and have large voltage range to operate. Transistors have a curved back while hall effect sensors have a flat back.

We will then connect this ic to an arduino so that we the arduino can read the voltage output by the a1302 and we can display the readings to the computer screen. The hall effect sensor is a sensing switch that outputs a logic level based on the magnetic field detected. The circuit diagram shown here is of a hall effect switch. The heart of every micro switch hall effect de vice is the integrated circuit chip that contains the hall element and the signal conditioning electronics.

An analogue hall effect sensor circuit is shown in figure 3 which gives the analogue output voltage which are proportional to exposed magnetic field.