Successive approximation type analog-to-digital converter and error code detection based digital correction method thereof
A kind of successive approximation type, analog-to-digital converter technology, applied in the direction of analog/digital conversion calibration/test, etc. The actual accuracy of the device, etc.
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[0051] The present invention will be further described in detail below in combination with specific embodiments.
[0052] The digital correction method of a successive approximation analog-to-digital converter based on bit error detection proposed by the invention is applied to a high-precision successive approximation analog-to-digital converter. The digital correction method proposed by the present invention will be described in detail below in conjunction with the structure of the 9-bit successive approximation analog-to-digital converter based on the segmented digital-to-analog conversion circuit used in the present invention. Such as Figure 6 Shown is a system block diagram of the successive approximation analog-to-digital converter with correction capacitors used in the present invention.
[0053] Figure 6 The functions and interrelationships of each module in the block diagram shown are as follows:
[0054] A successive approximation analog-to-digital converter wit...
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