Offset correction circuit for a sigma-delta coding device

Offset correction circuit in a digital-to-analog coder (10) comprising a delta coder (18) providing a serial bit string at a high frequency F in response to digital words supplied at a low frequency f, and an analog integrator (22) providing an analog output signal (24) which is an analog representation of the digital words. The offset correction circuit avoids an offset to be introduced in the analog output of the integrator (22) when a PLO correction is taken to slow down or to speed up the clock controlling the input of the digital words. Such a circuit can be implemented by a state generator which provides a corrected pulse in place of the sigma-delta data which lasts half the duration of the offset.