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.

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