NTE1815 Integrated Circuit Module, AF PO, 20W, Dual Power Supply Features: D Small–Sized Package Allows Audio Sets to be made Slimmer D Facilitates Thermal Design of Slim Stereo Sets D Constant–Current Circuit Minimizes Pop Noise During Power ON/OFF D Possible to Design Electronic Supplementary Circuits: Pop Noise Muting During Power ON/OFF Load Short–Circuit Protector Thermal Shutdown Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Maximum Supply Voltage, VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±34.5V Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C Operating Case Temperature, TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +125°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +125°C Thermal Resistance, Junction–to–Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.6°C/W Available Time for Load Shorted (VCC = ±23V, RL = 8Ω, f = 50Hz, PO = 20W), ts . . . . . . . . . . . 2sec Recommended Operating Conditions: (TA = +25°C unless otherwise specified) Recommended Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±23V Load Resistance, RL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Ω Electrical Characteristics: (TA = +25°C, VCC = ±23V, RL = 8Ω (Non–Inductive Load), Rg = 600Ω, VG = 40dB unless otherwise specified) Parameter Quiescent Current Output Power Symbol ICCO PO Test Conditions Min Typ Max Unit VCC = ±28V 10 20 50 mA THD = 0.4%, f = 20Hz to 20kHz 20 – – W VCC = ±20V, THD = 1%, RL = 4Ω, f = 1kHz 20 – – W – – 0.3 % Total Harmonic Distortion THD PO = 1W, f = 1kHz Frequency Response fL, fH PO = 1W +0dB, –3dB Input Resistance ri Output Noise Voltage VNO Middle–Point Voltage VN 20 to 50k Hz PO = 1W, f = 1kHz – 55 – kΩ VCC = ±28V, Rg = 10kΩ, Note 2 – – 1.2 mVrms –70 0 +70 mV VCC = ±28V Note 1. For power supply at the time of test, use a constant–voltage power supply unless otherwise specified. Note 2. The output noise voltage represents the peak value on the RMS scale (VTMV) of average value indicating type. The noise voltage waveform includes no flicker noise. Pin Connection Diagram (Front View) 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Bootstrap (+) VCC Output (–) VCC Compensation I Adjust Emitter Bypass Compensation I Adjust Test Point Bypass Bias Substrate NFB Input 2.330 (59.2) .335 (8.5) 2.050 (52.0) 1.230 (31.2) .827 (21.0) 1 15 .100 (2.54) 1.400 (35.6) .158 (4.0) 1.110 (28.0)