NTE1219 Integrated Circuit Dual Audio Power Amp, 15 W/Ch Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage (Pin7 to Pin4 or Pin12), VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56V Available Load Shorting Time (VCC = 39V, PO = 15W, RL = 8Ω, f = 50Hz), ts . . . . . . . . . . . . . . 2sec Operating Case Temperature, TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +85°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30° to +100°C Recommended Operation Ratings: (TA = +25°C unless otherwise specified) Recommended Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39V Load Resistance, RL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Ω Operation Charactersitics: (TA = +25°C, VCC = 39V, RL = 8Ω, Rg = 600Ω, VG = 40dB) Parameter Quiescent Current Output Power Total Harmonic Distortion Symbol ICCO PO THD Test Conditions Min Typ Max Unit VCC = 47V 20 60 120 mA f = 1kHz, THD = 1.0% 15 − − W f = 30 to 20kHz, THD = 1.0% 7.5 − − W − − 0.2 % f = 1kHz, PO = 0.1W Frequency Response f PO = 0.1W, −3dB Input Resistance ri PO = 0.1W − 110 − kΩ VCC = 47V, Rg = 10kΩ − − 0.8 mVrms Output Noise Voltage VNO 20 to 100k Hz Note 1. These characteristics are tested using a voltage regulator when not noticed. Note 2. Output Noise Voltage is defined as peak voltage of RMS meter indicating average value and does not include pulse−like noise. Pin Connection Diagram (Front View) 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Input Rt Ch Feedback GND GND Output Rt Ch Feedback VCC GND VCC Feedback Output Lt Ch GND GND Feedback Input Lt Ch 3.071 (90.7) .315 (8.0) 2.756 (70.0) 1.733 (44.0) .866 (22.0) .135 (3.43) Dia (2 Holes) 1 15 .492 (12.5) .100 (2.54) .025 (.635) 1.400 (35.56) .020 (.508)