Analog to digital converter with low power control

Details Analog to digital converter with low power control Analog to digital converter with low power control

2008-04-30

2009-08-11

JeanPierre, Peguy (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S158000

Reexamination Certificate

active

07573416

ABSTRACT:
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.

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Freescale Semiconductor, Inc. MPC5567 Microcontroller reference Manual, Devices Supported: MPC5567, Rev. 1, Jan. 2007.

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