Title :
A bit-stream digital-to-analog converter with 18-b resolution
Author :
Kup, Ben M J ; Dijkmans, Eke Carel ; Naus, Peter J A ; Sneep, Jack
Author_Institution :
Philips Consumer Electron. Div., Eindhoven, Netherlands
fDate :
12/1/1991 12:00:00 AM
Abstract :
A two-channel differential 18-b bit-stream digital-to-analog converter implemented in a 2.5-μm BiCMOS process with 7.3-mm2 chip area is described. The circuit contains two identical 1-b D-to-A conversion channels on one single chip. Each channel consists of a digital input part, a switched-capacitor D-to-A network, and two high-performance operational amplifiers. Total harmonic distortion plus noise is better than -102 dB. The dynamic range is more than 108 dB, giving a true 18-b resolution. Output operational-amplifier distortion is below 120 dB at full-scale signal. System design considerations, implementation, and measured results of the IC are discussed
Keywords :
BIMOS integrated circuits; digital-analogue conversion; 18 bit resolution; 2.5 micron; BiCMOS process; DAC; IC; SC D/A network; bit-stream; operational amplifiers; switched-capacitor; Analog circuits; Circuit noise; Crosstalk; Digital modulation; Digital-analog conversion; Dynamic range; Noise reduction; Noise shaping; Quantization; Semiconductor device noise;
Journal_Title :
Solid-State Circuits, IEEE Journal of
