Analog-to-digital converter

Details Analog-to-digital converter Analog-to-digital converter

2008-09-15

2010-10-05

Jeanglaude, Jean B (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S118000, C341S120000, C341S155000

Reexamination Certificate

active

07808417

ABSTRACT:
A lookahead pipelined ADC architecture uses open-loop residue amplifiers with calibration. This approach is able to achieve a high-speed, high-accuracy ADC with reduced power consumption. In one aspect, an ADC pipeline unit includes a plurality of lookahead pipeline stages (i.e., an ADC lookahead pipeline) coupled to a calibration unit. The ADC lookahead pipeline uses open-loop residue amplifiers. The calibration unit compensates for non-linearity in the open-loop amplifiers.

REFERENCES:
patent: 5239299 (1993-08-01), Apple et al.
patent: 5696511 (1997-12-01), Matsumoto et al.
patent: 6369744 (2002-04-01), Chuang
patent: 6377195 (2002-04-01), Eklund et al.
patent: 6384757 (2002-05-01), Kosonen
patent: 6473013 (2002-10-01), Velazquez et al.
patent: 6489904 (2002-12-01), Hisano
patent: 6606042 (2003-08-01), Sonkusale et al.
patent: 6642871 (2003-11-01), Takeyabu et al.
patent: 6861969 (2005-03-01), Ali
patent: 6904110 (2005-06-01), Trans et al.
patent: 6909391 (2005-06-01), Rossi
patent: 7576676 (2009-08-01), Grace
patent: 2002/0012152 (2002-01-01), Agazzi et al.
patent: 2002/0113726 (2002-08-01), Nagaraj
patent: 2003/0184466 (2003-10-01), Takeyabu et al.
patent: 2004/0086275 (2004-05-01), Lenosky et al.
patent: 2004/0160351 (2004-08-01), Rossi
patent: 2005/0068221 (2005-03-01), Freeman et al.
patent: 2005/0152479 (2005-07-01), Bulow et al.
patent: 2005/0219091 (2005-10-01), Wood et al.
patent: 2006/0066466 (2006-03-01), Pan et al.
patent: 2006/0279445 (2006-12-01), Kinyua et al.
patent: 2008/0240325 (2008-10-01), Agazzi et al.
patent: 2009/0243907 (2009-10-01), Nazemi et al.
PCT International Search Report and Written Opinion, PCT/US06/44679, Mar. 21, 2008, 11 pages.
PCT International Search Report and Written Opinion, PCT/US06/38690, Nov. 5, 2007, 10 pages.
Chang, Dong-Young, et al., Sub 1-V Design Techniques for High-Linearity Multistage/Pipelined Analog-to-Digital Converters, IEEE Transactions on Circuits and Systems—I: Regular Papers, vol. 52, No. 1, Jan. 2005, pp. 1-12.
Grace, C., “Digital Calibration of Interstage Gain Errors and Signal-Dependent Variations in Pipelined Analog-to-Digital Converters,” Dissertation for University of California Davis, 2004, 156 Pages.

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