NTE1337 Integrated Circuit Module − Hybrid, Audio Power Amp 70 Watt, 2 Power Supplies Required Features: D Minimum Output Power − 70W D Dual Power Supply − Single Channel D Thick Film Hybrid D Load Shorting Protector Absolute Maximum Ratings: Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±55V Collector Current, IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7A Operating Case Temperature, Tc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +85°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30° to +100°C Thermal Resistance, Junction to Case, RΘJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.4°C/W Electrical Characteristics: (TA = +25°C, VCC = ±42V, RL = 8Ω, Rg = 600Ω, VG = 26.4dB) Parameter Symbol Test Conditions Min Typ Max Unit Quiescent Current ICCO VCC = ±50V − 50 100 mA Output Power PO(1) THD = 0.2%, f = 20 to 20kHz 70 − − W PO(2) THD = 0.2%, f = 1kHz − 80 − W PO(3) THD = 0.2%, VCC = ±50V, f = 1kHz − 100 − W THD(1) PO = 1 to 70W, f = 20 to 20Hz − − 0.2 % THD(2) PO = 1W, f = 1kHz − 0.03 − % Total Harmonic Distortion Frequency Response f PO = 1W, +0dB, −1dB Input Resistance ri PO = 1W, f = 1kHz − 52 − kΩ − 0.3 0.5 mVrms −70 − 70 mV Output Noise Voltage VNO VCC = ±50V, Rg = 10kΩ Noise Voltage VN VCC = ±50V, −70 10 to 100k Hz Pin Connection Diagram 10 (+) VCC 2 Ripple Filter 9 N.C. 8 (+) VCC 1 7 Output 6 (−) VCC 1 5 Compensation (−) VCC 4 Ripple Filter 3 (−) Input 2 GND 1 (+) Input 3.071 (78.0) .315 (8.0) 2.766 (70.0) 1.733 (44.0) .135 (3.42) Dia (2 Holes) 1 10 .492 (12.5) .157 (4.0) 1.422 (36.0) .028 (0.71)