发明名称 Electronic system having common mode voltage range enhancement
摘要 <p>An electronic system generates at least one floating supply voltage, wherein during operation of the circuit the floating supply voltage tracks a common mode voltage of first and second differential input signals. By tracking the common mode voltage, in at least one embodiment, the floating supply voltage adjusts as the common mode voltage changes. Thus, the floating supply voltages can be based upon the peak-to-peak values of the first and second output signals without factoring in the common mode voltage. In at least one embodiment, the electronic system provides the floating supply voltages to an amplifier. The amplifier amplifies the first and second differential input signals and generates differential output signals. A differential sampling circuit samples the differential output signals to cancel the common mode voltage from the differential output signals. In at least one embodiment, an analog-to-digital converter converts the sampled differential output signals into a digital output signal.</p>
申请公布号 EP2204905(A1) 申请公布日期 2010.07.07
申请号 EP20090180901 申请日期 2009.12.29
申请人 CIRRUS LOGIC, INC. 发明人 SCHNEIDER, EDMUND M.;KEJARIWAL, MURARI L.;HODAPP, STEPHEN T.;MELANSON, JOHN L.
分类号 H03F3/00;H03F3/45 主分类号 H03F3/00
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