what is single-shot analog to digital converter?3x

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foreverloves

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what is "single-shot analog to digital converter"?Could anyone explain it for me?Thanks
 

I think it is the commonly known as "Flash" A2D.
 

i think 1 shot means that the output digital code is available in 1 clock cycle(i.e. latency = 1 clock cycle)....and that is only possible in flash adc.
 

The fash ADC consists of (2^N -1) comparators that compares the input analog signal with (2^N -1) different thrshold levels. These threshold levels are usually obtained from resistor ladder and are usually linearly spaced. The output of the comprators are then fed to a simple digital encoder to obtain N parallel digital bits.
 

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