NTE1523 Integrated Circuit Dual, Low Noise Preamp Features: D General–Purpose Pre–Amplifier D Low Noise Dual Pre–Amplifier D Low Noise 1.2µVrms Equivalent Input Noise D Channel Separation 55dB (Min) D Operating Supply Voltage Range: VCC = 6V to 15V Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250mW Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +75°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C Electrical Characteristics: (VCC = 8V, RL = 10kΩ, Rg = 600Ω, f = 1kHz, TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Supply Current ICC VIN = 0 – 7.5 14 mA Voltage Gain (Open Loop) GVO Rf = 0/Cf = 100µF 62 70 – dB Maximum Output Voltage VOM THD = 0.5% 1.2 1.95 – Vrms Input Resistance RIN – 50 – kΩ Equivalent Input Noise Voltage VNI Rg = 2.2kΩ – 1.2 2.7 µVrms Cross Talk CT f = 10kHz, Rg = 2.2kΩ –55 –65 – dB Pin Connection Diagram (Front View) 9 Ch 2 Input 8 Feedback 7 Ch 2 Output 6 VCC 5 GND 4 Bypass 3 Ch 1 Output 2 Feedback 1 Ch 1 Input .126 (3.2) .323 (8.2) Max .100 (2.54) .906 (23.0) Max 1 9 .020 (0.50) .800 (20.3) .099 (2.5) Min