10-bit ultra-low-power successive approximation register analog-to-digital converter based on charge redistribution
A successive approximation, analog-to-digital converter technology, applied in analog/digital conversion, code conversion, instruments, etc., can solve the problems of increased power consumption and low precision
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[0074] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, a detailed description will be given below in conjunction with the drawings and specific embodiments.
[0075] The present invention provides a 10-bit ultra-low power consumption successive approximation analog-to-digital converter based on charge redistribution. The output terminal of the successive approximation control logic controls the switching of the capacitor switches of the differential capacitor array to select the switching timing of the connection voltage, The area and power consumption of the capacitor array can be greatly saved, and half of the capacitor can be saved by applying the last redundant capacitor to the analog-to-digital conversion.
[0076] Such as Figure 1 to 11 As shown, the 10-bit ultra-low power successive approximation analog-to-digital converter based on charge redistribution provided by the embodiment of the present inven...
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