NTE1028 Integrated Circuit Module, Hybrid, Audio Power Amp 20W Description: The NTE1028 is a 20 Watt Audio Power Amplifier which requires 2 power supplies. Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Maximum Supply Voltage, VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±32V Operating Case Temperature, TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +85°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30° to +100°C Available Load Shorting Time, ts (VCC = ±26V, f = 50Hz, VO = 12.7V/RL) . . . . . . . . . . . . . . . . . 2Sec Recommended Operation Conditions: (TA = +25°C unless otherwise specified) Recommended Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±22V Load Resistance, RL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Ω Electrical Characteristics: (TA = +25°C, VCC = ±22V, RL = 8Ω, VG = 26.4dB, Rg = 600Ω, f = 1kHz unless otherwise specified) Parameter Output Power Total Harmonic Distortion Symbol PO THD Test Conditions Min Typ Max Unit f = 20Hz to 20kHz, THD = 0.3% 20 − − − THD = 0.3% − 23 − W THD = 0.3%, VCC = ±26V − 30 − − f = 20Hz to 20kHz, PO = 0.05 to 20W − − 0.3 − PO = 1W − 0.03 − % High Level Cut−Off Frequency fCH PO = 1W, −1dB 100 − − kHz Low Level Cut−Off Frequency fCL PO = 1W, −1dB − − 10 Hz PO = 1W − 52 − kΩ Input Resistance ri Output Noise Voltage VNO VCC = ± 26V, Rg = 10kΩ − 0.3 0.5 mVrms Supply Current ICCO VCC = ± 26V 10 − 50 mA ∆VN VCC = ±26V −50 − +50 mV Pin Connection Diagram (Front View) 10 N.C. 9 Substrate 8 Input 7 Input 6 N.C. 5 N.C. 4 Current Boost 3 VCC 2 Output 1 GND 3.071 (78.0) .315 (8.0) 2.766 (70.0) 1.733 (44.0) 1 10 .135 (3.42) Dia (2 Holes) .492 (12.5) .157 (4.0) 1.422 (36.0) .028 (0.71)