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DS90UH926Q-Q1: CMLOUTP & CMLOUTN

Hung Yu-chuan
Prodigy 120 points
Part Number: DS90UH926Q-Q1

Tool/software:

Hello TI team

                     Is there any limit to the accuracy of the 100R resistor between CMLOUTP & CMLOUTN? Is the recommended accuracy 0.5%, 1%, or 5%?

  • 0
    TI__Mastermind 33555 points

    Hello,

    There is not an explicit limit for the 100Ω termination. Unless the oscilloscope you plan to use does not have an included 100Ω termination, then the resistor shown in the application diagram is not required. If an external termination is required, the recommended accuracy is 1% at most. The DS90UH926-Q1 EVM uses a 0.5% resistor.

    Most oscilloscopes will have internal termination accuracy around 2%-3%

    Best,

    Jack