US Patent 7573416 Analog to digital converter with low power control
Patent 7573416 was granted and assigned to Freescale Semiconductor on August, 2009 by the United States Patent and Trademark Office.
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A circuit comprises a reference voltage generating circuit, a first switch, a second switch, and a capacitive element. The reference voltage generating circuit has an input and output terminal for providing a reference voltage. The first switch has a first terminal coupled to a first power supply voltage terminal, a second terminal coupled to the input terminal of the reference voltage generating circuit, and a control terminal for receiving a first control signal. The second switch has a first terminal coupled to the output terminal of the reference voltage generating circuit, a second terminal, and a control terminal for receiving a second control signal. The capacitive element has a first plate electrode coupled to the second terminal of the second switch, and a second plate electrode coupled to a second power supply voltage terminal.
US Patent 07573416 Analog to digital converter with low power control US Patent 7573416 Analog to digital converter with low power control
US Patent 07573416 Analog to digital converter with low power control
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