Invention Grant
US07791414B1 Low voltage current feedback amplifier with near rail to rail input common mode voltage range 有权
低压电流反馈放大器,具有近轨到轨输入共模电压范围

Low voltage current feedback amplifier with near rail to rail input common mode voltage range
Abstract:
An embodiment of the present invention is directed to a current feedback amplifier. The amplifier is coupleable with a first supply rail and a second supply rail. The current feedback amplifier includes an input stage configurable to provide a first input and a second input for the current feedback amplifier, wherein the first and second inputs are operable to receive input voltages within 800 mV of the first supply rail or the second supply rail. The amplifier further includes a first current mirror coupled with the input stage, a second current mirror coupled with the input stage, and an output stage coupled with the first and second current mirrors. The output stage is operable to provide an output for the current feedback amplifier.
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