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The design multiplexes the D+ and D- line/needs more ESD/noise filtering. What is the recommended switch/diode/capacitor value that can be used on the D+ and D- lines?

April 26, 2017design ESD filtering line multiplexes Needs noise recommended

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The design multiplexes the D+ and D- line/needs more ESD/noise filtering. What is the recommended switch/diode/capacitor value that can be used on the D+ and D- lines?

1 Answer

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The design is expected to meet the above mentioned impedance parameters. Even the small series impedance added due to the Switch/diode/capacitor can cause impedance mismatch between the two lines. It is also difficult to meet signal quality parameters. So we do not recommend having components on the D+ and D- lines.