Patent ID: 6795000
Filing Date: 2004-09-21
Classification: H03K

Abstract:
An analog to digital converter, the converter comprising: N input channels, where N is a positive integer; a converter for producing a digital representation of an analog signal supplied to the converter; a multiplexer, and a sequencer for controlling the operation of the multiplexer, and wherein in a first mode of operation the sequencer is responsive to an N bit control word, wherein portions of the control word are associated with individual ones of the channels and define whether the associated channel is selected for conversion and wherein any one or more of the channels can be converted in sequence in response to the control word, the unselected channels being skipped, such that the time required to convert the sequence of channels defined in the control word is proportional to the number of channels selected by the user in the control word, and wherein the N bit control word can be modified during the conversion of any one of the channels.