Invention Grant
US07358801B2 Reducing noise and/or power consumption in a switched capacitor amplifier sampling a reference voltage
有权
降低开关电容放大器的噪声和/或功耗，对参考电压进行采样
- Patent Title: Reducing noise and/or power consumption in a switched capacitor amplifier sampling a reference voltage
- Patent Title (中): 降低开关电容放大器的噪声和/或功耗，对参考电压进行采样
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Application No.: US11161486Application Date: 2005-08-05
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Publication No.: US07358801B2Publication Date: 2008-04-15
- Inventor: Sandeep Mallya Perdoor , Visvesvaraya A Pentakota , Ravishankar S Ayyagari
- Applicant: Sandeep Mallya Perdoor , Visvesvaraya A Pentakota , Ravishankar S Ayyagari
- Applicant Address: US TX Dallas
- Assignee: Texas Instruments Incorporated
- Current Assignee: Texas Instruments Incorporated
- Current Assignee Address: US TX Dallas
- Agent Wade J. Brady, III; Frederick J. Telecky, Jr.
- Main IPC: H03F1/02
- IPC: H03F1/02
Abstract:
Equal common mode voltage is present at the input terminals of an operational amplifier with amplifies the residue signal in a stage of an ADC in two phases while reducing the noise introduced into the amplified signal. A reference capacitor is coupled between an input terminal of the operational amplifier and a reference voltage in a first phase, and between the input terminal and a the reference voltage but with opposite polarity in the second phase.
Public/Granted literature
- US20060033561A1 Reducing Noise and/or Power Consumption in a Switched Capacitor Amplifier Sampling a Reference Voltage Public/Granted day:2006-02-16
Information query
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