The A1642 is an optimized Hall effect sensing integrated circuit that provides a user-friendly solution for true zero-speed digital ring-magnet sensing in two-wire applications. This small package can be easily assembled and used in conjunction with a wide variety of target shapes and sizes.

Features and Benefits

• Running mode calibration for continu ous optimization

• Single chip IC for high reliability

• Internal current regulator for 2-wire operation

• Precise duty cycle signal over operating temperature range

• Large operating air gaps

• Automatic Gain Control (AGC) for air gap independent switchpoints

• Automatic Offset Adjustment (AOA) for signal processing optimization

• True zero-speed operation

• Undervoltage lockout

• Wide operating voltage range

A1642LK-I1-T属于传感器，变送器 > 磁性传感器 - 开关（固态）。Allegro MicroSystems制造生产的A1642LK-I1-T磁性传感器 - 开关（固态）该系列产品使用固态技术来检测是否存在超过某个特定幅度和/或标示的磁场，并提供指示是否存在此类磁场的双态输出。它们与磁簧开关以及线性或罗盘型固态器件不同，前者通过使用移动机械部件来提供类似的功能，后者提供指示所施加磁场的强度和/或方向的可变输出。