Analog-to-digital converter having parametric configurablity
AssigneeMassachusetts Institute of Technology
InventorsKush Gulati, Hae-Seung Lee
Life of this patent
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Abstract
A reconfigurable ADC includes a plurality of reconfigurable blocks for allowing the ADC to provide a plurality of architectures. In one embodiment, the ADC can be configured to operate in a pipeline mode and a sigma-delta mode. This arrangement provides an ADC having a relatively large range of bandwidth and resolution.
Claims21
A reconfigurable ADC circuit, comprising:
- a plurality of circuit blocks that are configurable in at least one parameter for an ADC architecture, wherein at least one of the plurality of circuit blocks includes a switching matrix and capacitor array.
The circuit according to 1, wherein the at least one parameter includes oversampling ratio, the architecture includes a sigma-delta architecture, and the oversampling ratio is varied by varying sampling rate.
A method of converting an analog signal to a digital signal, comprising:
- coupling a plurality of circuit blocks configurable in at least one parameter for a given ADC architecture, wherein at least one of the plurality of circuit blocks includes a switching matrix and capacitor array.
A reconfigurable ADC circuit, comprising:
- a plurality of circuit blocks configurable in at least one parameter for an ADC architecture, wherein at least some of the plurality of circuit blocks include an opamp and a switching matrix having a capacitor array and switching matrices.
Dependencies are inferred from the claim text.