NTE778A & NTE778SM Integrated Circuit Dual Operational Amplifier Description: The NTE778A (8Lead DIP) and NTE778SM (SOIC8 Surface Mount) are linear integrated circuits designed for use as a summing amplifier, integrator, or amplifier with operating characteristics as a function of the external feedback components. Features: No Frequency Compensation Required ShortCircuit Protection Wide CommonMode and Differential Voltage Ranges Low Power Consumption No Latch Up Absolute Maximum Ratings: (T = +25C unless otherwise specified) A Power Supply Voltage, V , V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V CC EE Input Differential Voltage, V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30V ID Input Common Mode Voltage (Note 1), V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V ICM Output ShortCircuit Duration (Note 2), t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous S Operating Junction Temperature, T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150C J Operating Ambient Temperatue Range, T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +70C A Storage Temperature Range, T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 to +125C stg Note 1. For supply voltages less than 15V, the absolute maximum input voltage is equal to the supply voltage. Note 2. Supply voltage equal to or less than 15V. Electrical Characteristics: (T = 0 to +70C, V = +15V, V = 15V unless otherwise specified) A CC EE Parameter Symbol Test Conditions Min Typ Max Unit Input Offset Voltage V R 10k 7.5 V IO S R 10k , T = +25C 2.0 6.0 V S A Input Offset Current I 300 nA IO T = +25C 20 200 nA A Input Bias Current I 800 nA IB T = +25C 80 500 nA AElectrical Characteristics (Contd): (T = 0 to +70C, V = +15V, V = 15V unless otherwise A CC EE specified) Parameter Symbol Test Conditions Min Typ Max Unit Input Capacitance C T = +25C 1.4 pF i A CommonMode Input Voltage Range V T = +25C 12 13 V ICR A Large Signal Voltage Gain A V = 10V, R = 2k 15 V/mV V O L V = 10V, R = 2k , T = +25C 20 200 V/mV O L A Output Resistance t T = +25C 75 o A CommonMode Rejection Ratio CMRR R 10k, T = +25C 70 90 dB S A Supply Voltage Rejection Ratio PSRR R 10k, T = +25C 30 150 V/V S A Output Voltage Swing V R 10k 12 14 V O S R 10k , T = +25C 12 14 V S A R 2k 10 13 V S R 2k , T = +25C 10 13 V S A Output ShortCircuit Current I T = +25C 10 20 40 mA os A Supply Currents (Both Amplifiers) I T = +25C 2.3 5.6 mA D A Power Consumption (Both Amplifiers) P T = +25C 70 170 mW C A Transient Response (Unity Gain, T = +25C) A Rise Time t V = 20mV, R 2k , C 100pF 0.3 s TLH I L L Overshoot os 15 % Slew Rate NTE778A SR V = 10V, R 2k , C 100pF 0.5 V/ s I L L NTE778SM 1.0 1.6 V/ s Pin Connection Diagram Output 1 1 8 V (+) Invert Input 1 2 7 Output 2 NonInvert Input 1 3 6 Invert Input 2 V () 4 5 NonInvert Input 2