TLE4997 datasheet(7/36 Pages) INFINEON

7 / 36 page

Type

Marking

Ordering Code

Package

TLE4997I

4997I2

SP000248475

PG-SSO-3-10

TLE4997I

Programmable Linear Hall Sensor

for Industrial Use

Data Sheet

V 1.0, 2007-06

Overview

1.1

Features

• High linear and ratiometric push-pull rail-to-rail output

signal

• 20-bit Digital Signal Processing

• Digital temperature compensation

• 12-bit overall resolution

• Operates from -40°C up to 120°C

• Low drift of output signal over temperature and lifetime

• Programmable parameters stored in redundant EEPROM (single bit error correction):

– magnetic range and magnetic sensitivity (gain)

– zero field voltage (offset)

– bandwidth

– polarity of the output slope

– clamping option

– temperature coefficient for all common magnets

– memory lock

• Re-programmable until memory lock

• Single supply voltage 4.5 - 5.5 V (4 - 7 V in extended range)

• Continuous measurement ranges between -200 mT and +200 mT

• Slim 3-pin package (Green)

• Reverse polarity and overvoltage protection for all pins

• Output short circuit protection

• On-board diagnostics (wire breakage detection, undervoltage, overvoltage)

• Digital readout of internal temperature and magnetic field values in calibration mode.

• Individual programming and operation of multiple sensors with common power supply

• Two-point calibration of magnetic transfer function

• Precise calibration without iteration steps

• High immunity against mechanical stress, EMC, ESD

_TLE4997I_Data_Sheet.book Page 7 Wednesday, August 22, 2007 12:59 PM

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