NTE7068 Integrated Circuit Dual Audio Power Amplifier, 13W/Ch Features: D High Power: POUT = 13W/Ch (Typ) D Low Noise: VNO = 0.14mVrms (Typ) D Operating Supply Voltage Range: VCC = 10V to 37V Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37V Peak Output Current, IO(peak) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5A Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25W Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +75°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C Electrical Characteristics: (TA = +25°C, VCC = 28V, RL = 8Ω, Rg = 600Ω, f = 1kHz unless otherwise specified) Parameter Supply Current Output Power Total Harmonic Distortion Symbol Min Typ Max Unit – 50 105 mA POUT(1) THD = 10% 10 13 – W POUT(2) THD = 1% – 10 – W ICC THD Voltage Gain GV Input Resistance RIN Ripple Rejection R.R. Output Noise Voltage VNO Crosstalk CT Test Conditions VIN = 0 POUT = 2W VOUT = 0dBm – 0.04 0.20 % 32.5 34.0 35.5 dB – 30 – kΩ Rg = 0, fripple = 100Hz, Vripple = 0dBm 40 50 – dB Rg = 10kΩ, BW = 20Hz to 20kHz – 0.14 0.3 mVrms Rg = 10kΩ, VOUT = 0dBm – 70 – dB Pin Connection Diagram (Front View) 12 Output 2 11 Mute 10 PW–GND 9 VCC 8 Filter 7 Output 1 6 Ripple Filter 5 Negative FB 4 Input 1 3 Pre–GND 2 Input 2 1 Negative FB .630 (16.0) .300 (7.62) .170 (4.32) .512 (13.02) .603 (15.32) 1 12 .237 (6.02) .070 (1.78) .894 (22.72) .079 (2.01)