Digital-to-analogue conversion output control device with peripheral component interconnect standard interface

The utility model discloses a digital-to-analogue conversion output control device with peripheral component interconnect standard interfaces. The digital-to-analogue conversion output control device comprises three external interface modules, four DAC modules, an FPGA module, a PCI bridge chip, a PCI bus and a power supply module, wherein one ends of the four DAC modules are connected with the FPGA module, the other ends are connected with the three external interface modules, the FPGA module is directly connected with the three external interface modules for outputting 9-path digital signals and inputting 9-path digital signals, the FPGA module and is connected to the PCI bus through the PCI bridge chip, the power supply module supplies power for the device, and the +5V input voltage is provided by a mainboard of a computer; and the computer is used for performing controlling and data reading/writing on a board card of the digital-to-analogue conversion output control device through the PCI interface, there