NTE1281 Integrated Circuit Module − Hybrid, Audio Power Amplifier, 50W Features: D 2 Power Supplied Required D Darlington Type D Pure Complementary Output Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Maximum Supply Voltatge, VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±53V Collector Current, ICmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5A Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30° to +105°C Thermal Resistance, Junction−to−Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.8°C/W Allowable Load Shorting Time (VCC = ±36V, f = 50Hz, RL = 8Ω, PO = 50W), ts . . . . . . . . . . . . . 2sec Recommended Operating Conditions: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±36V Load Resistance, RL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Ω Electrical Characteristics: (TA = +25°C, VCC = ±36V, RL = 8Ω, Rg = 600Ω, VG = 40dB unless otherwise specified) Parameter Quiescent Current Output Power Total Harmonic Distortion Symbol ICCO PO THD Test Conditions Min Typ Max Unit VCC = ±43V − 40 80 mA THD = 0.1%, f = 20Hz to 20kHz 50 − − W PO = 1W to 50W, f = 20Hz to 20kHz − − 0.1 % PO = 1W, f = 1kHz − 0.02 − % Pin Connection Diagram (Front View) 10 Input (−) 9 VCC (+) 8 Output 7 N.C. 6 N.C. 5 N.C. 4 N.C. 3 Output 2 VCC (−) 1 Input (+) 2.335 (59.3) 2.050 (52.0) .276 (7.0) 1.260 (32.0) 1 10 .550 (13.97) .157 (3.9) 1.417 (35.6) 1.770 (45.0)