pinout ____________ | | /EN| 1 18|/SHDN C1+| 2 17| VCC V+| 3 16| GND C1-| 4 15|T1out C2+| 5 14| R1in C2-| 6 13|R1out V-| 7 12| T1in T2out| 8 11| T2in R2in| 9 10|R2out |____________|