Title :
A low-power high-speed 10-bit CMOS-compatible D/A converter
Author :
Singor, Henry W. ; Salama, C. Andre T
Author_Institution :
Dept. of Electr. Eng., Toronto Univ., Ont., Canada
fDate :
3/1/1991 12:00:00 AM
Abstract :
A 10-b multiple-current-source digital-to-analog converter has been implemented in a 3-μm p-well CMOS process using CMOS-compatible split-collector lateral bipolar transistors as unit current sources. This converter requires an active area of 1.3 mm2 and is capable of operating at full-scale (FS) currents ranging from 50 nA to 1 mA. High switching speed is obtained at low current levels through improved current switch design. Test results show that differential nonlinearity is typically ±0.05% FS, internal nonlinearity is ±0.04% FS, and the settling time is 30 ns
Keywords :
CMOS integrated circuits; digital-analogue conversion; 3 micron; 50 mA to 1 mA; CMOS compatible bipolar transistors; D/A converter; DAC; high-speed; low-power; monolithic type; multiple-current-source; p-well CMOS process; split-collector lateral bipolar transistors; unit current sources; Bipolar transistors; CMOS process; Circuit testing; Linearity; Low-noise amplifiers; MOSFETs; Switches; Switching converters; Thin film circuits; Voltage;
Journal_Title :
Circuits and Systems, IEEE Transactions on
