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TLE4934

Features: · Active Piezo compensation· Digital output signal· For unipolar and bipolar magnetic fields· Large temperature range· High temperature stability· High switching accuracy· Protection against overvoltage and short circuit· Protection against reversed polarity· Output protection against el...

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SeekIC No. : 004521023 Detail

TLE4934: Features: · Active Piezo compensation· Digital output signal· For unipolar and bipolar magnetic fields· Large temperature range· High temperature stability· High switching accuracy· Protection again...

TLE4934 Data Sheet

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Part Number:
TLE4934
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/1/11

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Product Details

Description



Features:

· Active Piezo compensation
· Digital output signal
· For unipolar and bipolar magnetic fields
· Large temperature range
· High temperature stability
· High switching accuracy
· Protection against overvoltage and short circuit
· Protection against reversed polarity
· Output protection against electrical disturbances
· Temperature compensated magnetic perfomance


Pinout

Connection Diagram


Specifications

TA = 40 to 125 °
Parameter Symbol Limit Values Unit Remarks
min. max.
Supply voltage VDD -40 28 V -
Output current VQ - 28 V -
Output short circuit current IQ - 150 mA -
Output thermal protection Tj OFF
Tj ON		 170
135		 200
165		 °C
°C		 -
Junction temperature Tj -040 150 °C -
Junction temperature Tj - 170 °C 1000 h
Junction temperature
Tj		 -
 210 °C 40 h
Storage temperature Tstg -40 150 °C -
Thermal resistance
Rth ja



-


 190 K/W -
Current through inputprotection
device

IDDZ

 

 -200 200 mA t < 2 ms; v = 0.1
Current through outputprotection
device		 IQZ 200 200 mA t < 2 ms; v = 0.1
Operating Range
Supply voltage VS 3.8 24 V
Junction temperature Tj 40 150 °C -
Junction temperature Tj -40 170 °C threshold may
exceed the limits



Description

The circuit TLE4934 includes Hall generator, amplifier and comperator with hysteresis on one chip.

The internal reference TLE4934 provides the supply voltage for the components. A magnetic field perpendicular to the chip surface induces a voltage at the hall probe. This voltage is amplified and switches a comparator with open-drain output.

The switching points TLE4934 are adjusted to achieve high accuracy. The active offset compensation eliminates internal and external offsets (mechanical stress) by switching of the hall element. The built-in temperature compensation fits to regular magnet system.

Protection TLE4934 is provided at the input/supply (pin 1) for overvoltage and reverse polarity, against overstress such as load dump, etc., in accordance with ISO-TR 7637 (DIN 40839). The output (pin 3) is protected against voltage peaks and short circuit.




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