I'm looking for an 100 kHz or faster analog to digital converter with
very low DNL ( much lower than  0.1 lsb or  10%) to be used for pulse
height MCA  analysis by creating a histogram of digitized count
values.  Standard PCI interface cards have DNL of 0.2 lsb which
produces noisy histograms when repeatedly digitizing a triangle wave
spanning the entire adc input range.  PCI card would be best, but
external device or just the adc chip itself would be useable.
Wilkinson style is one known for such low DNL.


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