A3503UA Linear Hall Effect Sensor IC (Analog Magnetic Sensor)

The A3503UA Hall Effect Sensor is a linear magnetic sensing IC designed to detect changes in magnetic field strength and provide an analog voltage output. It combines a Hall sensing element with signal conditioning circuitry to convert magnetic field variations into an electrical signal suitable for measurement and control applications.

Its ratiometric output varies with the supply voltage, making the sensor suitable for magnetic position detection, displacement measurement and speed sensing when used with an appropriate signal conditioning circuit.

Key Features -

• Linear Hall effect magnetic field sensing

• Analog voltage output related to the applied magnetic field

• Ratiometric output referenced to the supply voltage

• Integrated Hall sensing and signal conditioning circuitry

• Compact three pin package for PCB mounting

• Suitable for magnetic measurement and control applications

Specifications -

• Sensor Type: Linear Hall effect sensor

• Model: A3503UA

• Output Type: Analog voltage

• Supply Voltage: Approximately 4.5V to 6V, subject to datasheet confirmation

• Supply Current: Approximately 9mA to 14mA, subject to datasheet confirmation

• Quiescent Output Voltage: Approximately half the supply voltage at zero magnetic field, if specified for the supplied version

• Sensitivity: Verify against the exact manufacturer datasheet

• Bandwidth: Depends on the specific device version

• Operating Temperature: Negative 20 C to positive 85 C, subject to datasheet confirmation

• Package Type: Three pin SIP or TO 92 style, depending on the supplied variant

Applications -

• Magnetic field measurement

• Position and displacement sensing

• Gear tooth and speed detection

• Current sensing circuit designs

• Proximity detection using magnets

• Industrial automation and instrumentation

• Embedded magnetic sensing projects