| 摘要 |
The invention relates to a Sigma Delta A/D converter (2) for generating an N-bit digital output signal (4) on the basis of an analog input signal (6), comprising a control loop which comprises an N-bit A/D converter (2) for generating the N-bit digital output signal, wherein the Sigma Delta A/D converter (2) comprises a FIRDAC (22) in a feedback loop of the control loop, wherein the FIRDAC (22) comprises a multiple of 1-bit D/A converters which are connected in a delay line forming a FIR-filter, and wherein the FIRDAC (22) generates a first analog version (12) of the N-bit digital output signal (4). |
