NTE1031 Linear Integrated Circuit, Audio Power Amp, 0.5W Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9V Output Current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.6A Power Dissipation, PT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.8W Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30° to +70°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +125°C Electrical Characteristics: (TA = +25°C, VCC = 6V unless otherwise specified) Parameter Quiescent Current Symbol Test Conditions Min Typ Max Unit IQ f = 1kHz, RL = 8Ω − 3.0 5.0 mA GV(OL) f = 1kHz, RL = 8Ω − 90 − dB GV f = 1kHz, RL = 8Ω − 50 − dB THD f = 1kHz, PO = 50mW, RL = 8Ω − 0.2 0.6 % Power Output PO f = 1kHz, THD ≤ 10%, RL = 8Ω 0.4 0.5 − W Signal−to−Noise Ratio S/N Rg = 0, PO = 50mW, RL = 8Ω with 20kHz L.P.F. − 66 − dB Input Resistance Rin f = 1kHz, RL = 8Ω 13 20 − kΩ Output Gain−Open Loop Closed Loop Gain Total Harmonic Distortion Pin Connection Diagram Predriver Output 1 12 Bypass AF Input 2 11 Driver Input Bypass 3 10 Feedback GND 4 9 VCC GND 5 8 Output N.C. 6 7 N.C. .236 (6.0) .125 (3.2) Dia 12 7 1 6 .756 (19.2) .583 (14.8) .788 (20.0) Max .165 (4.2) .145 (3.68) Min .100 (2.54) 1.062 (26.9) .300 (7.62) .244 (6.2) .020 (.508)