A single chip /spl Delta/-/spl Sigma/ ADC with a built-in variable gain stage and DAC with a charge integrating subconverter for a 5 V 9600-b/s modem

A single chip /spl Delta/-/spl Sigma/ ADC with a built-in variable gain stage and DAC with a charge integrating subconverter for a 5 V 9600-b/s modem | IEEE Journals & Magazine | IEEE Xplore