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16-bit ADC testing equipment

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iheb:
Hello EEVers
I am currently testing a 16 bit ADC, i wanted to know what is the best budget friendly approach to test this ADC and since that i am currently suffering to find a decent input source. if someone did characterize ADCs before can please help ?
i have tried a lower resolution AFG but the IEEE suggests that i need something that exceeds the characteristics of the DUT for fable results.
thank you for your help
 

dobsonr741:
If you have access to an SMU or a calibrator it’s fairly easy to write SCPI to go through the entire input range and calculate gain and offset error and integral nonlinearity. If you do not have a programmable source you can build one with a DAC, even a 10 bit one suffice, and measure the data points with a SCPI capable multimeter.

Another, perhaps the first step on the plan is a zero/or mid FS measurement, to record a histogram of zero reads. It would give you a picture of noise, either from external sources, like reference or power, or internal quantization, etc. of your device. You’d like to get this close to the data sheet specs, to make sure your test setup is acceptable.

If it’s a fast ADC you can characterize linearity, missing codes, etc. by taking a histogram of a low distortion sine wave.

Frex:
Hi iheb,

I highly recommend you this reading:
https://www.edn.com/test-18-bit-adcs-with-an-ultrapure-sine-wave-oscillator/

Regards

Frex

iheb:
thank you for your answers I have access to B1500 SMU how ever without a signal generator, i this case how come can you characterize a higher bit adc with a lowerbit DAC (10-bits) the IEEE standards(EEE Standard for Terminology and
Test Methods for Analog-to-Digital Converters) states that you have to use a superiour DAC to characterize your ADC. could you please explain how this can be done ? 

TopQuark:
https://www.analog.com/en/design-center/evaluation-hardware-and-software/evaluation-boards-kits/eval-admx1002.html

https://wiki.analog.com/resources/eval/user-guides/admx/admx100x

Perhaps you can use something like this?

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