NTE1399 Integrated Circuit Dual, Audio Power Amp, 18W BTL Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V Output Current, IO(Peak) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4A Power Dissipation, PT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15W Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C Thermal Resistance, Junction–to–Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3°C/W Electrical Characteristics: (VCC = 13.2V, f = 1kHz, RL = 4Ω, TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Quiescent Current IQ Vin = 0 40 80 160 mA Input Bias Voltage VB Vin = 0 – 20 40 mV Voltage Gain GV Vin = –55dBm 53 55 57 dB Output Power PO THD = 10%, RL = 4Ω 15 18 – W THD = 10%, RL = 8Ω – 11 – W PO = 1.5W – 0.2 1.0 % Rg = 10kΩ, BW = 20Hz to 20kHz – 1.0 2.0 mV f = 500Hz 33 44 – dB 20 30 40 kΩ Total Harmonic Distortion Noise Output Supply Voltage Rejection Ratio Input Resistance THD VN SVRR Rin Pin Connection Diagram (Front View) 12 Output 11 Feedback Cap 10 VCC 9 GND 8 Feedback Cap G N D 7 Output 6 Bypass 5 Surge Protect Cap 4 GND 3 Input 2 Isolated Cap 1 Bypass 1.230 (31.2) .059 (1.5) Max 1.100 (28.0) .787 (20.0) .161 (4.1) Dia .142 (3.6) Dia .630 (16.0) Max 1 12 .100 (2.54) .276 (7.0) Min .150 (3.81) Max