A simple but accurate pseudo-passive mismatch-shaping D/A converter is described. A digital state machine is used to control the switching sequence of a symmetric two-capacitor network that performs the D/A conversion. The error caused by capacitor mismatch is uncorrelated with the input signal and has only little power in the signal band. The system has been simulated assuming a 0.1% capacitor mismatch, and the achieved SNDR performance was 100 dB for an oversampling ratio of 7.
|Title of host publication||Proc. IEEE International Symposium on Circuits and Systems, vol. 2|
|Place of Publication||Piscataway|
|Publication status||Published - 1999|
|Event||1999 IEEE International Symposium on Circuits and Systems - Orlando, FL, United States|
Duration: 30 May 1999 → 2 Jun 1999
|Conference||1999 IEEE International Symposium on Circuits and Systems|
|Period||30/05/1999 → 02/06/1999|