At the International Solid-State Circuits Conference in San Francisco, Analog Devices revealed a 20-bit 1Msample/s successive approximation ADC with 0.3ppm INL (integral non‑linearity). Key to this performance is a constantly-running background calibration technique that allows the ADC to process its input signal without interruption, while compensating for ageing, temperature sensitivity, package stress and PCB stress. ...
This story continues at ISSCC: Background calibration boost for ADC
Or just read more coverage at Electronics Weekly
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