NTE1171 Integrated Circuit Operational Amplifier Description: The NTE1171 is a general purpose operational amplifier in an 8Lead Metal Can type package. Ad- vanced processing techniques make possible an order of magnitude reduction in input currents, and a redesign of the biasing circuitry reduces the temperature drift of the input current. This amplifier offers many features which make its application nearly foolproof: overload protection on the input, no latchup when the common mode range is exceeded, freedom from oscillations and compensations with a single 30pF capacitor. It has advantages over internally compensated amplifi- ers in that the frequency compensation can be tailored to the particular application. For example, in low frequency circuits it can be overcompensated for increased stability margin. Or the compensation can be optimized to give more than a factor of ten improvement in high frequency performance for most applications. Feature: Low Input Offset Current: 20na Maximum Over Temperature Range External Frequency Compensation for Flexibility Class AB Output Provides Excellent Linearity Output ShortCircuit Protection Guaranteed Drift Characteristics Absolute Maximum Ratings: Power Supply Voltage, V , V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V CC EE Input Differential Voltage, V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30V ID Input CommonMode Range (Note 1), V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V ICR Output ShortCircuit Duration, t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous S Power Dissipation (Package Limitation, T = +25C), P . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW A D Derate Above T = +75C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.8mW/C A Operating Ambient Temperature Range, T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +70C A Storage Temperature Range, T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 to +150C stg Note 1. For supply voltages less than 15V, the avbsolute maximum input voltage is equal to the supply voltage.Electrical Characteristics: (T = +25C, V = 5V to 15V unless otherwise specified) A CC Parameter Symbol Test Conditions Min Typ Max Unit Input Offset Voltage V R 50k 2.0 7.5 mV IO S Input Offset Current I 3.0 50 nA IO Input Bias Current I 70 250 nA IB Input Resistance r 0.5 2.0 M i Supply Current I , I V /V =15V 1.8 3.0 mA CC EE CC EE Large Signal Voltage Gain A V /V = 15V, V = 10V, 25 160 V/mV V CC EE O R > 2k L Note: The following specifications apply over the operating temperature range. Input Offset Voltage V R 50k 10 mV IO S Input Offset Current I 70 nA IO Average Temperature Coefficient V / T T (min) T T (max) 6.0 30 V/C IO A A A of Input Offset Voltage Average Temperature Coefficient I / T +25C T T (max) 0.01 0.3 nA/C IO A A of Input Offset Current T (min) T +25C 0.02 0.6 nA/C A A Input Bias Current I 300 nA IB Large Signal Voltage Gain A V /V = 15V, V = 10V, 15 V/mV V CC EE O R > 2k L Input Voltage Range V V /V = 15V 12 V I CC EE CommonMode Rejection Ratio CMRR R 50k 70 90 dB S Supply Voltage Rejection Ratio PSRR R 50k 70 96 dB S Output Voltage Swing V V /V = 15V, R = 10k 12 14 V O CC EE L V /V = 15V, R = 2k 10 13 V CC EE L Pin Connection Diagram (Top View) Offset Null 5 Output V () 4 6 V (+) NonInverting Input 7 3 2 8 Phase Compensation Inverting Input 1 Phase Compensation