This is one of the Hall Sensor types.
Part Number : AH3503
Function : Linear Hall-Effect Sensor
Package : 3 Pin Type
Manufactures : Nanjing AH Electronics
Integrated circuit includes a voltage regulator, Hall-voltage generator, linear amplifier and emitter-follower out stage. The output of the Ics change linearity with the magnetic flux density of the input.
1. Extremely Sensitive
2. Flat response to 23kHz
3. Low-Noise Output
4. 4.5V to 6V Operation
5. Magnetically Optimized Package
1. Motion detector
2. Gear tooth sensors
3. Proximity detector
4. Velocity detecting of motor bicycle
5. Current detecting sensor