Circuit and technology considerations for mos delta-sigma a/d converters

4,626,881 10/1986 Kishi. 4,639,087 1/1987 Cannella .............................. 350/332 4,694,314 9/1987 Terada et al. ...................... 357/23.6 4,700,457 10/1987 Matsukawa ........................... 437/52 4,731,696 3/1988 Himes et al....... ... 361/313 4,758,873 7/1988 Monticelli............................. 357/51 4,878,151 10/1989 Gallichio ............................. 361/329 4,918,454 4/1990 Early et al. ... ... 341/172 5,016,070 5/1991 Sundaresan ... 357/23.6 5,042,916 8/1991 Ukai et al. ............................. 359/59