Low-power-consumption rapid dynamic comparator
A dynamic comparator, low-power technology, applied in the field of microelectronics, can solve problems such as comparator power consumption offset delay, affecting ADC performance characteristics, etc., to achieve the effect of reducing dynamic power consumption and improving comparison accuracy
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[0022] Example
[0023] A low-energy fast-moving dynamic comparator comprising: pre-amplifier 1, comparison circuit 2, and latch 3, wherein the signal output of the pre-amplifier 1 is terminated on the signal input of the comparison circuit 2, the comparison circuit. 2 The signal output of the latch 3; the pre-amplifier 1 pre-substates the input signal of the input terminal Vn and the input terminal VP and outputs a signal at the output VNN and the output VPP output signal. The comparison circuit 2 dynamically compares the signal of the output terminal VNN of the pre-amplifier 1, and provides an input signal for the latch 3, the latch 3 receives the output signal of the comparison circuit 2 and A latch is implemented under the action of the clock signal CLK, thereby implementing a low-cost fast-moving dynamic comparator.
[0024] As a preferred technical solution, such as figure 2 As shown, the pre-amplifier 1 includes: NMOS tube M1, NMOS tube M2, NMOS tube M3, PMOS tube M4, PMOS ...
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