A 16-BIT LOW-VOLTAGE CMOS A/D CONVERTER

被引:82
作者
ROBERT, J [1 ]
TEMES, GC [1 ]
VALENCIC, V [1 ]
DESSOULAVY, R [1 ]
DEVAL, P [1 ]
机构
[1] UNIV CALIF LOS ANGELES,DEPT ELECT ENGN,LOS ANGELES,CA 90024
关键词
SEMICONDUCTOR DEVICES; MOS;
D O I
10.1109/JSSC.1987.1052697
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A/D converters used in telemetry, instrumentation, and measurements require high accuracy, excellent linearity, and negligible dc offset, but need not be fast. A simple and robust instrumentation A/D converter, fabricated in a low-voltage 4- mu m CMOS technology, is described. The measured overall accuracy was 16 bits. Using a digital compensation for parasitic effects, both offset and nonlinearity were below 12 mu V. With analog compensation, the offset was 60 mu V and the nonlinearity below 15 mu V. These results indicate that even higher accuracy can be achieved using higher voltage technology.
引用
收藏
页码:157 / 163
页数:7
相关论文
共 14 条
[1]   A MICROPOWER CMOS-INSTRUMENTATION AMPLIFIER [J].
DEGRAUWE, M ;
VITTOZ, E ;
VERBAUWHEDE, I .
IEEE JOURNAL OF SOLID-STATE CIRCUITS, 1985, 20 (03) :805-807
[2]  
HAIGH DG, 1983, MAY P IEEE INT S CIR, P586
[3]   SWITCHED-CAPACITOR INTEGRATORS WITH LOW FINITE-GAIN SENSITIVITY [J].
HAUG, K ;
MALOBERTI, F ;
TEMES, GC .
ELECTRONICS LETTERS, 1985, 21 (24) :1156-1157
[4]  
HAUSER MW, 1986, MAY ISCAS P, P1310
[5]  
HAUSER MW, 1985, FEB ISSCC, P80
[6]   HIGH-VOLTAGE GAIN CMOS OTA FOR MICROPOWER SC FILTERS [J].
KRUMMENACHER, F .
ELECTRONICS LETTERS, 1981, 17 (04) :160-162
[7]  
KRUMMENACHER F, 1985, COMMUNICATION
[9]   OFFSET AND CLOCK-FEEDTHROUGH COMPENSATED SWITCHED-CAPACITOR INTEGRATORS [J].
ROBERT, J ;
TEMES, GC ;
KRUMMENACHER, F ;
VALENCIC, V ;
DEVAL, P .
ELECTRONICS LETTERS, 1985, 21 (20) :941-942
[10]  
ROBERT J, 1986, MAY CICC86 ROCH, P362