NTE1331 Integrated Circuit Module – Dual, Audio Power Amplifier, 25W/Channel, 2 Power Supplies Required Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Maximum Supply Voltage, VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±38V Operating Case Temperature, TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +105°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +105°C Allowable Load Shorting Time (In appointed condition), ts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2sec Recommended Operating Conditions: (TA = +25°C unless otherwise specified) Recommended Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±26V Load Resistance, RL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Ω Electrical Characteristics: (TA = +25°C, VCC = ±28V, RL = 8Ω, Rg = 600Ω, VG = 40dB unless otherwise specified) Parameter Min Typ Max Unit – – 120 mA THD = 0.08%, f = 20Hz to 20kHz 25 – – W THD PO = 1W, f = 20Hz to 20kHz – – 0.08 % Frequency Response f PO = 1W, +0, –3dB, f = 1kHz Input Resistance ri PO = 1W, f = 1kHz Quiescent Current Output Power Total Harmonic Distortion Symbol Test Conditions ICCO PO 10 to 100k – 32 Hz – kΩ Pin Connection Diagram (Front View) 16 Rt Ch Input 15 Rt Ch Feedback 14 GND 13 Rt Ch Bias 12 (–) VCC2 11 Rt Ch Feedback 10 Rt Ch Output 9 (+) VCC2 8 (+) VCC1 7 Lt Ch Output 6 5 Lt Ch Feedback (–) VCC1 4 Lt Ch Bias 3 GND 2 Lt Ch Feedback Lt Ch Input 1 3.071 (90.7) 2.756 (70.0) .315 (8.0) 1.733 (44.0) .866 (22.0) 1 16 .135 (3.45) Dia (2 Holes) .492 (12.5) .100 (2.54) 1.500 (38.1) .200 (5.08) Min