Analog-digital converter and analog-digital conversion method
An analog-to-digital converter and analog-to-digital conversion circuit technology, which is used in analog-to-digital conversion, code conversion, instruments, etc. The effect of balanced speed, short sampling period and fast sampling speed
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Embodiment 1
[0021] refer to figure 1 As shown, it is a schematic diagram of an analog-to-digital converter provided by Embodiment 1 of the present invention. The technical solution of this embodiment is suitable for converting input sampling signals to output digital signals based on medium-speed and low-power consumption analog-to-digital converters. In some cases, the sampling signal is any analog signal, typically a voltage signal. Before conversion, a reference voltage can be set, and the sampling signal is within the range of the reference voltage, and the analog-to-digital converter can be implemented in a hardware manner.
[0022] The analog-to-digital converter includes: a first conversion circuit 110 and a second conversion circuit 120 .
[0023] Wherein, the input end of the first conversion circuit 110 is connected to the sampling signal transmission line, the first output end is connected to the digital signal output line, and the second output end is connected to the first i...
Embodiment 2
[0066] refer to Figure 5 , is a schematic flowchart of an analog-to-digital conversion method provided in Embodiment 2 of the present invention. The analog-to-digital conversion method includes:
[0067] Step 310: Receive and convert the sampling signal to obtain a first digital signal and output it, and convert the first digital signal into a first analog signal, wherein the digital signal corresponding to the sampling signal is N bits, and the Both the digital signal corresponding to the first analog signal and the first digital signal are M bits, both N and M are integers greater than 0, and N is greater than M;
[0068] Step 320: Receive and convert the sampling signal and the first analog signal to obtain a second digital signal and output it, wherein the second digital signal is N-M bits.
[0069] Further, receiving and converting the sampling signal to obtain a first digital signal and outputting it, and converting the first digital signal into a first analog signal ...
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