70DVD-2910/955Pin Number Pin Name I/O Pin Function Descrition1 IN1+ I CH1 op-amp input (+)2 IN1- I CH1 op-amp input (-)3 OUT1 O CH1 op-amp output4 IN2+ I CH2 op-amp input (+)5 IN2- I CH2 op-amp input (-)6 GND - Ground7 GND - Ground8 OUT2 O CH2 op-amp output9 IN3+ I CH3 op-amp input (+)10 IN3- I CH3 op-amp input (-)11 OUT3 O CH3 op-amp output12 IN4+ I CH4 op-amp input (+)13 IN4- I CH4 op-amp input (-)14 OUT4 O CH4 op-amp output15 CTL I CH5 motor speed control16 FWD I CH5 forward input17 REV I CH5 reverse input18 GND - Ground19 GND - Ground20 SGND - Signal Ground21 MUTE123 I Mute for CH1,2,322 MUTE4 I Mute for CH423 TSD-M O TSD monitor24 PVCC2 - Power supply voltage 2 (For CH4,CH5)25 DO5- O CH5 drive output (-)26 DO5+ O CH5 drive output (+)27 DO4- O CH4 drive output (-)28 DO4+ O CH4 drive output (+)29 DO3- O CH3 drive output (-)30 GND - Ground31 GND - Ground32 DO3+ O CH3 drive output (+)33 DO2- O CH2 drive output (-)34 DO2+ O CH2 drive output (+)35 DO1- O CH1 drive output (-)36 DO1+ O CH1 drive output (+)37 PVCC1 - Power supply voltage 1 (FOR CH1 CH2,CH3)38 PS I Power save39 OPOUT2 O Normal op-amp2 output40 OPIN2- I Normal op-amp2 input (-)41 OPIN2+ I Normal op-amp2 input (+)42 GND - Ground43 GND - Ground44 VREF I Bias voltage input45 SVCC - Signal & OPAMPs supply voltage46 OPOUT1 O Normal op-amp1 output47 OPIN1- I Normal op-amp1 input (-)48 OPIN1+ I Normal op-amp1 input (+)www. xiaoyu163. comQQ 376315150 992894298TEL 13942296513 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299http://www.xiaoyu163.comhttp://www.xiaoyu163.com