A high-order delta-sigma analog-to-digital converter. A plurality of stages are connected to accept an analog input signal and produce a digital output signal. Each stage has a resettable Δ-Σ converter of second order or higher. Resetting each stage before accepting a new input purges the integrators...http://www.google.com/patents/US20090128385?utm_source=gb-gplus-sharePatent US20090128385 - Resettable high order delta-sigma analog to digital converter