I would like to check if ADCLK854 can work with 100mV input.
According to the datasheet, ADCLK854 input sensitivity is 150mV typical, but what is the possible minimum input for the ADCLK854.
> I would like to check if ADCLK854 can work with 100mV input.
The answer is "maybe." Writing a specification for minimum input amplitude is not as easy as it sounds. The problem is that we also have specs for additive jitter and prop delay. If the input amplitude gets too low (especially if it's a sine wave), then the prop delay and jitter are much worse. The part still works, but the performance is so poor that the customer won't be happy.
I also can't guarantee that 100 mV will be enough amplitude for every part over process, temp, and voltage. There is also a dependence on input frequency, with larger amplitude needed for higher frequencies.
I can say that if the input rise and fall time is < 2ns, and the input frequency is < 250 MHz, then there is a good chance it will work, but we can't guarantee it over process, temp, and voltage. The 150 mV number in the datasheet represents a practical minimum input amplitude for good performance.
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