TLE4998P8XUMA1

Summary of Features

• Integration of two individual programmable Linear Hall sensor IC’s with PWM open-drain output signal
• 20-bit Digital Signal Processing
• Digital temperature and stress compensation
• 12-bit overall resolution
• Operating automotive temperature range -40°C to 125°C
• Minimal drift of output signal over temperature and lifetime
• Programmable parameters stored in EEPROM with single bit error correction: PWM output frequency Magnetic range, sensitivity (gain), offset, and polarity of the output slope Bandwidth� Clamping levels Customer temperature compensation coefficients for all common magnets
• Re-programmable until memory lock
• Supply voltage 4.5 - 5.5 V (4.1 - 16 V extended range)
• Configurable magnetic range: ±50 mT, ±100 mT, or ±200 mT
• Reverse-polarity and overvoltage protection for all pins
• Output short-circuit protection
• On-board diagnostics (overvoltage, EEPROM error)
• Digital readout of the magnetic field and internal temperature in calibration mode
• Programming and operation of multiple sensors with common power supply
• Two-point calibration of magnetic transfer function without iteration steps

Target Applications

• Robust replac�ement of potentiometers: No mechanical abrasion, resistant to humidity, temperature, pollution and vibration
• Linear and angular position sensing in automotive and industrial applications with highest accuracy requirements
• Suited for safety applications such as pedal position, throttle position and steering torque sensing