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This Hall-effect switch is a monolithic integrated circuit designed to operate continuously over extended temperatures to +85°C. The unipo- lar switching characteristic makes this device ideal for use with a simple bar or rod magnet. The A3163ELT and A3163EUA are identical except for package.
Each device includes a voltage regulator for operation with supply voltages of 3.5 to 24 volts, reverse-battery protection, quadratic Hall- voltage generator for low offset, temperature compensation circuitry, small-signal amplifier, Schmitt trigger, and a constant-current open- collector output, wired internally for true 2-wire operation. Noise radiation is limited by control of the output-current slew rate.
3163 Maximum Ratings
at TA = +25°C Supply Voltage, VCC ............................................... 26.5 V Reverse Battery Voltage, VRCC ..................................-16 V Magnetic Flux Density, B...................................... Unlimited Package Power Dissipation, PD See Graph Junction Temperature, TJ .......... ... ... ... ... ... ... .. +170°C Operating Temperature Range, TA ...................-40°C to +85°C Storage Temperature Range, TS ..................-65°C to +170°C
3163 Features
Internal Current Regulator for 2-Wire Operation Output Slew Rate Controlled 3.5 V to 24 V Operation . Needs Only An Unregulated Supply Reverse Battery Protection Excellent Temperature Stability Activate with Small, Commercially Available Permanent Magnets Small Size Solid-State Reliability . No Moving Parts Resistant to Physical Stress