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AH1902-FA-7 - Diodes Incorporated

Description: DiodesZetex AH1902-FA-7, Omnipolar Hall Effect Sensor Switch 4-Pin X1-DFN, 1.6 → 3.6 V

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AH1902-FA-7 - Diodes Incorporated - PCB symbol
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PCB Footprints
AH1902-FA-7 - Diodes Incorporated PCB footprint - Other - Other - AH1902-FA-7
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AH1902-FA-7 - Diodes Incorporated - 3D model - Other - AH1902-FA-7
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AH1902-FA-7 Details

  • Manufacturer Part Number:

    AH1902-FA-7

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    1.20 X 1.60 MM, GREEN, DFN-4

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    Diodes Incorporated

  • YTEOL:

    7

  • Body Breadth:

    1.2 mm

  • Body Height:

    0.5 mm

  • Body Length or Diameter:

    1.6 mm

  • Hysteresis:

    1 mT

  • JESD-609 Code:

    e3

  • Magnetic Field Range-Max:

    4.8 mT

  • Magnetic Field Range-Min:

    0.9 mT

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    4

  • Operating Current-Max:

    0.013 mA

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Range:

    0.20-1.60V

  • Output Type:

    VOLTAGE OUTPUT

  • Package Shape/Style:

    RECTANGULAR

  • Sensors/Transducers Type:

    MAGNETIC FIELD SENSOR,HALL EFFECT

  • Supply Voltage-Max:

    3.6 V

  • Supply Voltage-Min:

    1.6 V

  • Surface Mount:

    YES

  • Terminal Finish:

    MATTE TIN

  • Termination Type:

    SOLDER

AH1902-FA-7 Frequently Asked Questions (FAQs)

  • A good PCB layout for the AH1902-FA-7 involves keeping the input and output traces separate, using a ground plane, and minimizing the distance between the device and the bypass capacitors. A 4-layer PCB with a dedicated ground plane is recommended.
  • To ensure proper biasing, connect the EN pin to a voltage source (e.g., VCC) through a 10kΩ resistor. This enables the device and allows it to operate within its specified voltage range.
  • A 1μF to 10μF ceramic capacitor is recommended for the input pin to filter out noise and ensure stable operation. The capacitor value may vary depending on the specific application and noise requirements.
  • The AH1902-FA-7 is rated for operation up to 125°C. However, it's essential to consider the device's power dissipation and thermal management in high-temperature environments to ensure reliable operation.
  • To troubleshoot issues, check the PCB layout, ensure proper biasing, and verify the input voltage and current. Also, check for noise or interference on the input and output lines. Consult the datasheet and application notes for more guidance.

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AH1902-FA-7 Overview

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