From the frigid wastes of 4.2 Kelvin to torrid conversion rates in the gigasample/s range, the analog-to-digital converters revealed at this year's ISSCC and elsewhere can adapt to new challenges.

[Editor's note to readers: this article has several corrections: Figure 3 is corrected; also, some math symbols in equations in “Averaging to Achieve Better Resolution” and in “Bias Current ...