A3144EUA Hall Effect Sensor IC

A3144EUA Hall Effect Sensor IC

The A3144EUA is a unipolar Hall effect sensor IC that switches in the presence of a magnetic field. It provides a digital output (open collector) and is widely used for proximity sensing, speed detection, and position sensing applications.

Key Features

• Unipolar Hall effect sensor
• Digital open-collector output
• Operating voltage: 4.5V – 24V
• Operates in the presence of south pole magnetic field
• TO-92 package (3-pin)
• Operating temperature: -40°C to +85°C

Pin Configuration

• Pin 1: VCC (4.5V – 24V)
• Pin 2: GND
• Pin 3: Output (open collector)

Applications

• Magnetic proximity sensing
• Motor speed detection
• Position and rotation sensing
• Arduino Hall effect projects