NE5517, NE5517A, AU5517 Dual Operational Transconductance Amplifier The AU5517 and NE5517 contain two current-controlled transconductance amplifiers, each with a differential input and push-pull output. The AU5517/NE5517 offers significant design and NE5517, NE5517A, AU5517 PIN DESCRIPTION Pin No. Symbol Description 1 I Amplifier Bias Input A ABCa 2 D Diode Bias A a 3 +IN Non-inverted Input A a 4 IN Inverted Input A a 5 VO Output A a 6 V Negative Supply 7 IN Buffer Input A BUFFERa 8 VO Buffer Output A BUFFERa 9 VO Buffer Output B BUFFERb 10 IN Buffer Input B BUFFERb 11 V+ Positive Supply 12 VO Output B b 13 IN Inverted Input B b 14 +IN Non-inverted Input B b 15 D Diode Bias B b 16 I Amplifier Bias Input B ABCb V+ 11 D4 D6 Q12 Q14 Q13 7,10 Q6 Q10 8,9 Q7 Q11 2,15 V D3 OUTPUT D2 Q4 5,12 Q5 +INPUT INPUT 3,14 4,13 Q15 Q16 1,16 Q3 AMP BIAS Q2 INPUT D7 Q9 R1 Q1 D8 Q8 D1 D5 V 6 Figure 1. Circuit Schematic