A DRIVER CIRCUIT FOR LOW VOLTAGE OPERATION OF A SUCCESSIVE APPROXIMATION REGISTER (SAR) ANALOG TO DIGITAL (A/D) CONVERTER AND METHOD THEREFOR - Patent 0966792

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EP 0 966 792 A1

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(43)	Date of publication:
	29.12.1999 Bulletin 1999/52

(21)	Application number: 99903217.0

(22)	Date of filing: 20.01.1999

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International Patent Classification (IPC):

H03M 1/ 38^{( . )}
H03M 1/ 46^{( . )}
H03M 1/ 80^{( . )}

H03K 19/ 0175^{( . )}
H03M 1/ 78^{( . )}

(86)	International application number:
	PCT/US1999/001186

(87)	International publication number:
	WO 1999/037027 (22.07.1999 Gazette 1999/29)

(84)	Designated Contracting States:
	CH DE ES FR GB IT LI NL SE

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Priority:

20.01.1998 US 19980009284
20.01.1998 US 19980009215
20.01.1998 US 19980009285

(71)	Applicant: Microchip Technology Incorporated
	Chandler, AZ 85224-6199 (US)

(72)	Inventor:
	SUSAK, David Phoenix, AZ 85048 (US)

(74)	Representative: Frohwitter, Bernhard, Dipl.-Ing., et al
	Patent- und Rechtsanwälte, Possartstrasse 20 81679 München 81679 München (DE)

(54)	A DRIVER CIRCUIT FOR LOW VOLTAGE OPERATION OF A SUCCESSIVE APPROXIMATION REGISTER (SAR) ANALOG TO DIGITAL (A/D) CONVERTER AND METHOD THEREFOR