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HMHA281

Specifications

SKU: 11715305

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Parameter Symbol Min Typical Max Unit Description
Supply Voltage VDD 1.7 3.6 5.5 V Operating supply voltage range
Output Current IOUT - 50 100 mA Maximum output current
Quiescent Current IQ - 10 20 μA Current consumption in active mode
Shutdown Current ISD - 0.1 0.5 μA Current consumption in shutdown mode
Operating Temp. Toper -40 - 85 °C Operating temperature range
Storage Temp. Tstg -65 - 150 °C Storage temperature range
Input Capacitance Cin - 10 20 pF Input capacitance
Output Capacitance Cout - 100 220 pF Recommended output capacitance
Rise Time tr - 10 20 ns Rise time from 10% to 90% of output level
Fall Time tf - 10 20 ns Fall time from 90% to 10% of output level
Propagation Delay tp - 15 30 ns Propagation delay from input to output

Instructions for Use:

  1. Power Supply:

    • Ensure the supply voltage (VDD) is within the specified range of 1.7V to 5.5V.
    • Use appropriate decoupling capacitors (typically 0.1μF and 10μF) close to the power pins to reduce noise and stabilize the supply.
  2. Output Load:

    • The device can drive up to 100mA of output current. For loads requiring more current, consider using external transistors or drivers.
    • Use the recommended output capacitance (100pF to 220pF) to filter out high-frequency noise and ensure stable operation.
  3. Temperature Considerations:

    • The operating temperature range is from -40°C to 85°C. Ensure the device is not exposed to temperatures outside this range during operation.
    • Store the device in a temperature-controlled environment between -65°C and 150°C.
  4. Signal Integrity:

    • Keep signal traces as short as possible to minimize parasitic capacitance and inductance.
    • Use controlled impedance traces if high-speed signals are involved to avoid reflections and signal degradation.
  5. Shutdown Mode:

    • To enter shutdown mode, pull the shutdown pin (SD) low. The device will consume less than 0.5μA in this mode.
    • To resume normal operation, pull the SD pin high.
  6. Input and Output Protection:

    • Ensure input signals do not exceed the supply voltage (VDD) or go below ground (GND) to prevent damage to the device.
    • Use series resistors on input lines if necessary to limit current and protect against overvoltage conditions.
  7. Layout Considerations:

    • Place the device close to other components to minimize trace lengths and reduce electromagnetic interference (EMI).
    • Use a ground plane to provide a low-impedance path for return currents and to shield sensitive signals.

By following these guidelines, you can ensure optimal performance and reliability of the HMHA281 in your application.

(For reference only)

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