Introduction

The HAL1820 is a new member of the Micronas family of programmable linear Hall-Effect Sensors.

Features

– Ratiometric linear output proportional to the magnetic field

– Various programmable magnetic characteristics with non-volatile memory

– Digital signal processing

– Continuos measurement ranges from ±20 mT to ±160 mT

– Customer readable Micronas production information (like lot number, wafer number, etc.)

– Temperature characteristics programmable for matching all common magnetic materials

– Programming via supply voltage modulation

– Lock function and built-in redundancy for EEPROM memory

– Temperature and stress-stable quiescent output voltage

– on-chip temperature compensation

– active offset compensation

– operates from -40 °C up to 170 °C junction temperature

– operates from 4.5 V up to 5.5 V supply voltage in specification

– operates with static magnetic fields and dynamic magnetic fields up to 2.25 kHz

– overvoltage and reverse-voltage protection at VDD pin

– magnetic characteristics extremely robust against mechanical stress

– short-circuit protected push-pull output

– EMC and ESD optimized design

Major Applications

Due to the sensor’s robust characteristics, the HAL1820 is the optimal system solution for applications such as:

– linear position measurements,

– angle sensors,

– distance measurements,

– mag