tle4997i Infineon Technologies Corporation, tle4997i Datasheet - Page 8

• Manufacturer Part Number: tle4997i
• Description: Programmable Linear Hall Sensor For Industrial Use
• Manufacturer: Infineon Technologies Corporation

2.3
• A magnetic flux is measured by a Hall-Effect cell.
• The output signal from the Hall-Effect cell is A to D converted.
• The chopped Hall-effect cell and continuous-time A to D conversion provide very low
• A programmable low pass filter reduces the noise.
• The temperature is measured and A to D converted.
• Temperature compensation is processed digitally using a second order function.
• Digital processing of output voltage based on zero field and sensitivity value.
• The output voltage range can be clamped by digital limiters.
• The final output value is D to A converted.
• The output voltage is proportional to the supply voltage (ratiometric DAC).
• An OBD (On-Board-Diagnostics) circuit connects
Preliminary Data Sheet
and stable magnetic offset.
the output to
Principle of Operation
V
DD
or GND in case of errors.
8
V 1.01, 2006-09
TLE4997I
General