High-precision CPU chip analog sampling device without independent reference source

The utility model discloses a high-precision CPU chip analog sampling device without an independent reference source, which comprises an acquisition input module, one end of the acquisition input module is electrically connected with an analog sampling module, one end of the analog sampling module is electrically connected with a micro-control unit module, one end of the micro-control unit module is electrically connected with a wireless transmitting module, and the other end of the micro-control unit module is electrically connected with a wireless receiving module. The wireless transmitting module is electrically connected with a wireless receiving module, and the wireless receiving module is electrically connected with a data output module. According to the utility model, simulation sampling detection can be carried out on the CPU through the device, calibration constants can be regularly obtained through the standard base source, errors caused by offset of the reference source can be reduced, sampling val