Testing device for multichannel digital-to-analog converter

The invention discloses a testing device for a multichannel digital-to-analog converter, which comprises a test board (1), and a control box (14) and an aging box (6) which are respectively arranged on the test board (1), and is characterized in that a rotatable electromagnetic induction heating cavity (10) is arranged in the aging box (6), and a test frame (9) is also arranged in the aging box (6); and a driving box (13) and a pushing box (4) are also arranged on the test board (1). The multichannel digital-to-analog converter is heated through the electromagnetic induction heater arranged in the electromagnetic induction heating cavity, so that the electromagnetic heating technology is fully utilized, and metal electronic elements in the multi-channel digital-to-analog converter are heated through the electromagnetic induction principle of the electromagnetic induction heater; and therefore, the self-heating state of the multi-channel digital-to-analog converter is effectively simulated, and the aging test