Manufacturer Part Number
A3211EELLT-T
Manufacturer
Allegro MicroSystems
Introduction
Solid-state magnetic switch with Hall-effect sensing technology
Omnipolar operation, sensing both North and South poles
Product Features and Performance
Wide supply voltage range: 2.5V to 3.5V
Wide operating temperature range: -40°C to 85°C
Low current consumption: maximum 2mA
Open-drain output with maximum 1mA current
Programmable magnetic trip and release points
Sensitive to both North and South pole magnetic fields
Product Advantages
Compact 3-DFN (2x2) surface-mount package
Omnipolar sensing for simplified design
Robust Hall-effect technology for reliable operation
Wide operating voltage and temperature ranges
Key Technical Parameters
Supply voltage: 2.5V to 3.5V
Operating temperature: -40°C to 85°C
Maximum supply current: 2mA
Maximum output current: 1mA
Magnetic trip point: ±5.5mT
Magnetic release point: ±1mT
Quality and Safety Features
RoHS3 compliant
Tape and reel packaging for surface mount assembly
Compatibility
Compatible with various magnetic field applications
Application Areas
Brushless DC motor commutation
Integrated door/lid/position sensing
Power tool and appliance applications
Industrial automation and control systems
Product Lifecycle
Active product, no immediate discontinuation plans
Replacement and upgrade options available from the manufacturer
Key Reasons to Choose This Product
Compact and space-saving design
Reliable and robust Hall-effect sensing
Wide operating voltage and temperature ranges
Omnipolar sensing for simplified design
Low power consumption for energy-efficient applications
RoHS3 compliance for environmental compatibility