Title :
A 1mW Multi-channel 12-bit SAR A/D Converter
Author :
Liu Hongbing ; Chen Weibing ; Tan Chuanwu
Author_Institution :
Dept. of Electr. Eng., Hunan Railway Prof. Technol. Coll., Zhuzhou, China
Abstract :
Design and realization of an 8-channel 12bit SAR A/D converter (ADC) is described in this paper. Based on the successive approximation register (SAR) architecture, this A/D Converter has a maximum sample rate of 140KSPS and the entire ADC consumes only 1mW from a 1.8V supply and the shutdown current is only 1uA. The low-power ADC was fabricated by a 0.18 μm 2P4M CMOS process. The layout area of the ADC is 0.3 mm × 0.35 mm. At the high performance point (12-bit, 140KSPS), the INL and DNL of the ADC are 0.7LSB and 0.66LSB, respectively.
Keywords :
CMOS integrated circuits; analogue-digital conversion; 2P4M CMOS process; 8-channel 12bit SAR A/D converter; multichannel 12-bit SAR A/D converter; power 1 mW; size 0.18 mum; successive approximation register architecture; voltage 1.8 V; word length 12 bit; CMOS integrated circuits; CMOS process; Gain; Interpolation; Power demand; Resistors; ADC; CMOS; DAC; Multi-channel; SAR;
Conference_Titel :
Intelligent System Design and Engineering Application (ISDEA), 2012 Second International Conference on
Conference_Location :
Sanya, Hainan
Print_ISBN :
978-1-4577-2120-5
DOI :
10.1109/ISdea.2012.706
