Dynamic comparator
A dynamic comparator and dynamic technology, applied in the field of comparators, can solve problems such as limiting the application of CMOS comparators, not paying attention to the offset of the preamplifier, and affecting the accuracy of the comparators
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[0063] In order to make the object, technical solution and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0064] The specific implementation manner of the present invention is not limited to the following description, and will now be further described in conjunction with the accompanying drawings.
[0065] The invention provides a dynamic comparator applied to a high-speed and high-precision pipeline A / D (analog / digital) converter, which can effectively reduce the offset voltage of the dynamic comparator under the condition of high speed.
[0066] Such as figure 1 As shown, the first embodiment of the dynamic comparator of the present invention includes a sequentially connected preamplifier circuit 1, a dynamic latch circuit 2 and an output stage circuit 3, wherein,
[0067] The preamplifier circuit 1 includes a first-stage amplifying un...
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