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AMC7834: To Reduce the Clamp shutdown delay as 50ns instead of 5us

Silambarasan Gothandaraman
Prodigy 20 points
Part Number: AMC7834
Other Parts Discussed in Thread: AFE20408, , AFE10004

Tool/software:

In my application , I need to  switch the Clamp voltage from -4V (AVss) to -1.4V (DAC programmable Voltage) with in 50ns . But in datasheet they have given the specification as 5 us (Clamp shutdown delay).

Is there any possiblities to reduce the timiming by using any GPIOs?

Also Provide the reason for why it is taking 5us delay for this switching?

when replying keep cc with Fershia.geona@datapatterns.co.in, mariappan.subramani@datapatterns.co.in & desing@datapatterns.co.in

  • 0
    TI__Genius 10900 points

    Hi,

    Unfortunately, there is no way to reduce the delay to 50ns. The delay is caused by latency in the internal switching architecture. 

    We have a few faster devices, such as the AFE10004 (50ns) and the AFE20408 (500ns max) that you can take a look at. The AFE10004 might be your best bet for fast switching, but it's quite different from the AMC7834. 

    Thanks,
    Erin