Details

BUY MAX9940AXK+T https://www.utsource.net/itm/p/11666505.html

Parameter Symbol Min Typ Max Unit
Supply Voltage VCC 2.7 - 5.5 V
Output Current (Sink) ISINK - 300 - mA
Output Current (Source) ISOURCE - 100 - mA
Input Voltage Range VIN 0 - 5.5 V
Enable Input Threshold (High) VENH 1.2 1.35 1.5 V
Enable Input Threshold (Low) VENL 0.8 0.95 1.1 V
Output Leakage Current IOL - 10 - 渭A
Propagation Delay tPD - 20 - ns
Power Dissipation PD - 625 - mW
Operating Temperature Toper -40 - 85 掳C
Storage Temperature Tstg -65 - 150 掳C

Instructions for Using MAX9940AXK+T

  1. Power Supply:

    • Connect the VCC pin to a power supply within the range of 2.7V to 5.5V.
    • Ensure the power supply is stable and clean to avoid any noise affecting the performance.
  2. Enable Pin:

    • The enable pin (EN) controls the operation of the device.
    • Apply a voltage greater than 1.35V to turn the device on.
    • Apply a voltage less than 0.95V to turn the device off.
  3. Input Signals:

    • Connect the input signals to the appropriate input pins.
    • Ensure the input voltage is within the range of 0V to 5.5V.
  4. Output Configuration:

    • The device can source up to 100mA and sink up to 300mA.
    • Connect the output pins to the load or next stage of your circuit.
    • Be mindful of the power dissipation limits to avoid overheating.
  5. Propagation Delay:

    • The typical propagation delay is 20ns. Ensure that your system timing accounts for this delay.
  6. Temperature Considerations:

    • The operating temperature range is from -40掳C to 85掳C.
    • Store the device in an environment between -65掳C and 150掳C.
  7. Leakage Current:

    • The output leakage current is typically 10渭A. This should be considered when designing circuits with high impedance loads.
  8. PCB Layout:

    • Use a ground plane to minimize noise and improve thermal performance.
    • Keep signal traces short and direct to reduce parasitic capacitance and inductance.
  9. Testing:

    • Before finalizing the design, test the device under various conditions to ensure it meets the required specifications.
    • Use an oscilloscope to verify the propagation delay and signal integrity.
  10. Handling:

    • Handle the device with care to avoid static discharge, which can damage the internal components.
    • Follow standard ESD (Electrostatic Discharge) precautions when handling the device.
(For reference only)

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