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    Part Img PAM8403DR-H datasheet by Diodes Incorporated

    • Linear - Amplifiers - Audio, Integrated Circuits (ICs), IC AMP AUDIO 3W CLASS D 16SOIC
    • Original
    • Yes
    • Unknown
    • Not Recommended
    • EAR99
    • 8542.33.00.01
    • 8542.33.00.00
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    PAM8403DR-H datasheet preview

    PAM8403DR-H Frequently Asked Questions (FAQs)

    • A good PCB layout for the PAM8403DR-H involves keeping the audio signal traces as short as possible, using a solid ground plane, and placing the device close to the power supply. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
    • The gain setting of the PAM8403DR-H can be optimized by adjusting the values of the external resistors Rf and Ri. A higher gain setting can be achieved by increasing the value of Rf or decreasing the value of Ri. However, be careful not to exceed the maximum gain setting to avoid oscillation.
    • It's recommended to use a 10uF ceramic capacitor in parallel with a 100nF ceramic capacitor as close to the power pins of the PAM8403DR-H as possible. This will help to filter out noise and ensure stable operation.
    • To protect the PAM8403DR-H from ESD and overvoltage, it's recommended to use a TVS diode or a zener diode on the power supply lines. Additionally, consider adding a fuse or a PTC resettable fuse to protect against overcurrent conditions.
    • The maximum power dissipation of the PAM8403DR-H is 2.5W. It's essential to ensure that the device is properly heat-sinked and that the ambient temperature is within the recommended operating range to avoid overheating.
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