Quartz weighing signal acquisition circuit and quartz weighing signal acquisition device

The utility model discloses a quartz weighing signal acquisition circuit and a quartz weighing signal acquisition device. The quartz weighing signal acquisition circuit comprises a weighing sensor, a transimpedance module and a voltage regulating module. The voltage regulating module is respectively connected with the transimpedance module and the collector power supply, and the weighing sensor is connected with the transimpedance module; the voltage regulating module is used for regulating the power supply voltage output by the collector power supply and outputting the regulated power supply voltage to the transimpedance module; and the transimpedance module is used for receiving a weight signal output by the weighing sensor when receiving the adjusted power supply voltage, and performing transimpedance amplification on the weight signal to obtain a detection signal. The power supply voltage input into the transimpedance module is adjusted through the adjusting module, so that the transimpedance module can b