NTE1083 Integrated Circuit Hybrid, Dual High Gain Pre−Amplifier Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Power Dissipation, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28V Collector Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5mA Input Voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1V Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +65°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30° to +80°C Electrical Characteristics: (TA = +25°C, VCC = 12V, unless otherwise specified) Parameter Symbol Open Loop Voltage Gain Min Typ Max Unit 60 64 − dB VOMAX 2.2 2.5 − V NL − − 60 µV − − 0.1 % 100 120 − kΩ − 40 100 Ω −60 − − dB − − 670 µA AVO Max. Output Voltage Noise Level Total Harmonic Distortion THD Test Conditions f = 1.0KHz, RL = 33kΩ VO = 1Vrms, f = 1KHz, RL = 33kΩ Input Resistance ri f = 1KHz, RL = 33kΩ Output Resistance ro f = 1KHz Supply Current ICC Pin Connection Diagram Emitter Bypass 1 16 Emitter Bypass Output 2 15 Output VCC 3 14 VCC VCC 4 13 VCC Positive Feedback 5 12 Positive Feedback Input 6 11 Input Negative Feedback 7 10 Negative Feedback GND 8 9 .886 (22.5) Max .700 (17.78) .413 (10.5) .886 (22.5) Max .177 (4.5) 1 8 GND Back Row − 16 .100 (2.54) 13 9