Analog-to-digital converter
AssigneeRealtek Semiconductor Corp.
InventorsYING-CHENG WU, SHIH-HSIUNG HUANG
Life of this patent
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Abstract
The present invention discloses an analog-to-digital converter (ADC) including an analog circuit, a first switch, a second switch, a first capacitor, and a second capacitor. The analog circuit has a first input terminal and a second input terminal and is configured to amplify and/or compare signals on the first input terminal and the second input terminal. One end of the first capacitor is coupled to the first input terminal, and the other end receives an input voltage via the first switch. One end of the second capacitor is coupled to the first input terminal, and the other end receives a reference voltage via the second switch.
Claims12
An analog-to-digital converter (ADC) comprising:
- an analog circuit having a first input terminal and a second input terminal and configured to amplify and/or compare signals on the first input terminal and the second input terminal;
- a first switch;
- a second switch;
- a first capacitor, wherein an end of the first capacitor is coupled to the first input terminal, and other end of the first capacitor receives an input voltage through the first switch;
- and
- a second capacitor, wherein an end of the second capacitor is coupled to the first input terminal, and other end of the second capacitor receives a reference voltage through the second switch.
An analog-to-digital converter (ADC) comprising:
- an analog circuit having a first input terminal and a second input terminal and configured to amplify and/or compare signals on the first input terminal and the second input terminal;
- a first switch;
- a second switch;
- a third switch;
- a fourth switch;
- a first capacitor, wherein an end of the first capacitor is coupled to the first input terminal, and other end of the first capacitor receives an input voltage through the first switch or receives a first reference voltage through the third switch;
- and
- a second capacitor, wherein an end of the second capacitor is coupled to the first input terminal, and other end of the second capacitor receives a second reference voltage through the second switch or receives a third reference voltage through the fourth switch.
Dependencies are inferred from the claim text.