Title :
A Noise-Coupled Time-Interleaved ΔΣ ADC with 4.2MHz BW, -98dB THD, and 79dB SNDR
Author :
Lee, Kyehyung ; Chae, Jeongseok ; Aniya, Mitsuru ; Hamashita, Koichi ; Takasuka, Kaoru ; Takeuchi, Seiji ; Temes, Gabor C.
Author_Institution :
Oregon State Univ., Corvallis, OR
Abstract :
In this paper, two prototype versions of a SC time-interleaved DeltaSigma ADC are described. Both use quantization- noise coupling for enhanced noise shaping. They achieve high linearity, and FOMs of 0.33 and 0.48pJ/conversion-step, in signal BWs of 2.5 and 4.2MHz, respectively.
Keywords :
analogue-digital conversion; delta-sigma modulation; switched capacitor networks; analog-digital convertors; bandwidth 2.5 MHz; bandwidth 4.2 MHz; delta-sigma modulators; noise shaping; quantization-noise coupling; switched capacitor networks; CMOS technology; Capacitors; Circuit noise; Clocks; Linearity; Noise shaping; Prototypes; Sampling methods; Signal sampling; Switches;
Conference_Titel :
Solid-State Circuits Conference, 2008. ISSCC 2008. Digest of Technical Papers. IEEE International
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-4244-2010-0
Electronic_ISBN :
978-1-4244-2011-7
DOI :
10.1109/ISSCC.2008.4523273
