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OPA314: WHAT PACK PROVIDES MOST POWER DISSIPATION, SC70-5 vs SOT23-5

VICTOR BEST
Intellectual 350 points
Part Number: OPA314

The op-amp is offered in different packages, but using the layouts defined by T.I. which offer the best possible thermal dissipation, and how might this be determined?

Thank you.

  • 0
    TI__Genius 15410 points

    Hi Victor,

    The thermal dissipation is determined using the Thermal Information provided in section 6.4 on page 6 of the datasheet. You will need to use the thermal resistances to calculate the maximum temperature the device may increase to. The larger the thermal resistances listed in the datasheet, the less power they can dissipate. However, things change if thermal pads or heat sinks are used.

    I recommend watching our TI Precision Lab Videos on Power and Temperature for information on calculating power dissipation.

    Thank you,

    Tim Claycomb