NTE1730 Integrated Circuit Dual Preamp Features: D Dual Pre Amplifier for Car or Home Stereo Use. D High Voltage Gain: GVO = 100dB (Typ) @ f = 1kHz D Excellent Channel Separation and High Ripple D Rejection: CH Sep. = 70dB (Typ) R.R = 50dB (Typ) D Low Noise: VNI = 1.0µVrms (Typ) at Rg = 2.2kΩ, BW = 15Hz to 30kHz D Built–In Muting Circuit: 2V ≥ V9 ≥ 0.9V D Wide Operating Supply Voltage Range; VCC = 7V to 18V. Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V Power Dissipation (Note), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 700mW Derated Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.6mW/°C Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –25° to +75°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C Electrical Characteristics: (TA = 25°C, VCC = 10V, f = 1kHz, Rg = 600Ω, RL = 10kΩ unless otherwise specified) Characteristic Symbol Test Conditions Min Typ Max Unit Supply Current ICC VIN = 0 – 5.5 8.5 mA Voltage Gain GVO Cf = 100µF, RF = 0 – 100 – dB Maximum Output Voltage VOM THD = 0.5%, NAB EQ 2.0 2.8 – Vrms Input Resistance RIN VO = 1Vrms – 100 2.5 µVrms f = 10kHz, Rg = 2.2kΩ, Ω VO = 1Vrms – 70 – dB Channel Separation CHsep Ripple Rejection R.R. f = 100Hz, VIN = 1Vrms, CB = NO Connection – 50 – dB Muting Ratio M.R. V9 = 1V, 0dB = 1Vrms – 80 – dB Pin Connection Diagram (Front View) 9 Muting 8 (+) Input Ch 2 7 (–) Input Ch 2 6 Output Ch 2 5 GND 4 VCC 3 Output Ch 1 2 (–) Input Ch 1 1 (+) Input Ch 1 .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