Data Sheet 27621.
30A‡
3161
HALL-EFFECT SWITCH FOR 2-WIRE APPLICATIONS
This Hall-effect switch is a monolithic integrated circuit designed to operate continuously over extended temperatures to +85°C.
The unipolar switching characteristic makes this device ideal for use with a simple bar or rod magnet.
The A3161ELT and A3161EUA are identical except for package.
Each device includes a voltage
regulator for operation with supply voltages of 3.
5 to 25 volts, reverse battery protection diode, quadratic Hall-voltage generator, temperature compensation circuitry, small-signal amplifier, Schmitt trigger, and a constant-current open-collector output.
Noise radiation is limited by control of the outp...