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Fast voltage domain converters with symmetric and supply insensitive propagation delay
Fast voltage domain converters with symmetric and supply insensitive propagation delay
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机译:具有对称和电源不敏感传播延迟的快速电压域转换器
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摘要
In one embodiment, a circuit comprises a phase interpolator that converts a single-ended input to a pair of symmetric differential signals within a first voltage domain. The circuit further comprises a comparator that converts the symmetric differential signals into single-ended output in a second different voltage domain. In one embodiment, the single ended output of the comparator is configured to be coupled to drive a switching driver in a switching regulator. In one embodiment, the interpolator comprises a first inverter, a second inverter, and a third inverter connected in series. The interpolator further comprises a first resistor and a second resistor connected in series. The second inverter provides a first output signal. Outputs of the first inverter and the third inverter are connected by the series connected resistors. A node between the resistors provides a second output signal. The first and second output signals are inverted and symmetric.
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