The invention relates to an isolated array type voltage signal source circuit, belonging to the technical field of detection and comprising a linear calibration circuit, a current source circuit and a high-precision current converter array, wherein external voltage signals are inputted to the linear calibration circuit which outputs voltage signals to the current source circuit, and then the current source circuit outputs current signals to the high-precision current converter array. The isolated array type voltage signal source circuit has the advantages that due to the adoption of the high-precision current converter array with isolation performance, the isolated array type voltage signal source realized through the technical scheme ensures that a plurality of voltage output signals are completely independent and isolated, has the characteristics of reliability, low cost and high precision, can further improve the reliability and the test precision of checking systems when used in the test fields of multi-station products, improves the production efficiency and reduces the production cost.