NTE1087 Integrated Circuit Low Noise Preamp Description: D General–Purpose Pre–Amplifier D Voltage Amplifier Application D Low Noise D Operates from a Wide Range of Power Supplies D High Voltage Gain Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200mW Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2mW/°C Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +75°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55 to +125°C Electrical Characteristics: (VCC = 8V, RL = 5.1kΩ, TA = +25°C unless otherwise specified) Characteristic Symbol Test Conditions Min Typ Max Unit Supply Current ICC VIN = 0 – 1.5 2.1 mA Voltage Gain (Open Loop) GV f = 1kHz 75 78 82 dB Voltage Gain (Closed Loop) GV f = 1kHz, RNF = 35kΩ 46.5 – 52.5 dB 1.0 – – Vrms – 2.0 – µVrms Max. Output Voltage VOM f = 1kHz, KF = 1% Equivalent Input Noise VNI Rg = 2.2kΩ, NAB 1kHz Gain Converted with GV (1kHz) Pin Connection Diagram (Front View) 7 VCC 6 Output 5 Bypass 4 GND 3 Feedback 2 Input High 1 Preamp Load Resistor .128 (3.2) .099 (2.5) Min .012 (0.25) .700 (17.8) Max 1 7 .100 (2.54) .600 (15.24) .323 (8.2) Max