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  4. 6bit 800 MHz time-interleaved analog to digital converter based on successive approximation in 65 nm standard CMOS process

6bit 800 MHz time-interleaved analog to digital converter based on successive approximation in 65 nm standard CMOS process

Files

200711012.pdf (1.19 MB)

Date

2009

Authors

Salimath, Arunkumar

Journal Title

Journal ISSN

Volume Title

Publisher

Dhirubhai Ambani Institute of Information and Communication Technology

Abstract

High-speed analog-to-digital converters (ADCs) with resolutions of 6 bits find wide application in instrumentation, wireless systems, optical communication. This dissertation presents a 6 bit, 8 channel Time-Interleaved ADC based on Successive Approximation that performs analog processing only by means of open-loop circuits that are fully differential, thereby achieving a high conversion rate. The work involves the design of a charge redistribution hybrid-DAC, low offset comparator, shift register based phase generator and the SAR Logic. Designed in 65 nm Standard CMOS STMicroelectronics Process, across all the PVT corners, the ADC achieves SNDR of 36 dB and SFDR of 43 dBFS at 800 MHz sampling rate with low input frequencies. When the input frequency is at 300 MHz the SNDR drops to 32.6 dB. The converter draws an average power of 13.5 mW from a 1.2 V supply.

Description

Keywords

Computer simulation, Analog-to-digital converters, Metal oxide semiconductors, Analog-to-digital converters, Catalogs

Citation

Salimath, Arunkumar (2009). 6bit 800 MHz time-interleaved analog to digital converter based on successive approximation in 65 nm standard CMOS process. Dhirubhai Ambani Institute of Information and Communication Technology, vii, 55 p. (Acc.No: T00205)

URI

http://ir.daiict.ac.in/handle/123456789/242

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