danye：
****INCLUDINGdac2-SCHEMATIC1.net*****sourceDAC2V_V5 N055520 +PULSE121us0.5us0.5usC_C3 N05388N04980 10000n V_V1 N05268015VdcR_R7 N05384N05086 820 R_R4 N05012N05388 1.5k C_C2 0N05384 5.6n R_R3 N05552N05012 1k R_R2 0N05534 1k C_C5 N04942N05388 1n R_R5 N053840 1.5k C_C4 N050120 5.6n R_R1 N05012N04942 820 R_R6 0N04980 100k V_V2 0N0537215VdcR_R8 N05534N04980 560 R_R9 0N05384 1k C_C1 0N05086 1n X_U36 N05086N04942N05268N05372N05388OPA627****RESUMINGdac2-schematic1-dac2.sim.cir****.ENDERROR--Lessthan2connectionsatnodeX_U36.1 谁能告诉我要怎么解决。