The HAL 85x complement the existing Halleffect sensor family HAL 8xx. Both universal magnetic field sensors provide an arbitrary output signal. The sensors are produced in submicron CMOS technology.

特性 Features

◆ High-precision linear Hall effect sensors with different output formats

◆ Various programmable magnetic characteristics with non-volatile memory

◆ Programmable output characteristic (32 setpoints with 9 bit resolution)

◆ Programmable output formats (PWM or serial Biphase-M)

◆ Programmable PWM Period

◆ Open-drain output for HAL 855

◆ Programmable output current source for HAL 856 (low and high current)

◆ Digital signal processing

◆ Temperature characteristics programmable for matching all common magnetic materials

◆ Programming by modulation of the supply voltage

◆ Lock function and built-in redundancy for EEPROM memory

◆ Operates from –40 °C up to 150 °C ambient temperature

◆ Operates from 4.5 V up to 18 V supply voltage

◆ Operates with static magnetic fields and dynamic magnetic fields up to 2 kHz

◆ Choppered offset compensation

◆ Overvoltage protection on all pins

◆ Reverse-voltage protection on VDD pins

◆ Magnetic characteristics extremely robust against mechanical stress

◆ Short-circuit protected output

◆ EMC-optimized design

Major Applications

Due to the sensor’s versatile programming characteristics, the HAL 85x is the optimal system solution for applications such as:

◆ Contactless potentiometers

◆ Rotary position measurement

◆ Level measurement

◆ Linear position detection

◆ Magnetic field detection