Title :
A switched-current ratio-independent algorithmic D/A converter
Author :
Wang, Shenghung ; Ahmad, M. Omair
Author_Institution :
Philips Lab., Briarcliff Manor, NY, USA
Abstract :
A design of switched-current ratio-independent algorithmic digital-to-analog converter is described. The converter is capable of achieving high-accuracy and high-resolution data conversion without requiring any matching of components. Since the converter operates in current mode, it does not require linear capacitors, and it is capable of working with low power supply voltages. An experimental prototype D/A converter is designed and fabricated with a standard 1.2 μm CMOS process technology. The test results show that the D/A converter achieves an 8-bit data conversion accuracy with speed of 10 KSPS
Keywords :
CMOS integrated circuits; digital-analogue conversion; error analysis; integrated circuit design; switched current circuits; 1.2 micron; 8 bit; CMOS process technology; SI technique; algorithmic D/A converter; digital-to-analog converter; high-accuracy operation; high-resolution data conversion; low power supply voltages; ratio-independent DAC; switched-current DAC; Algorithm design and analysis; CMOS process; CMOS technology; Capacitors; Data conversion; Digital-analog conversion; Low voltage; Power supplies; Prototypes; Switching converters;
Conference_Titel :
Circuits and Systems, 1999. ISCAS '99. Proceedings of the 1999 IEEE International Symposium on
Conference_Location :
Orlando, FL
Print_ISBN :
0-7803-5471-0
DOI :
10.1109/ISCAS.1999.780629
