NTE1387 Integrated Circuit Dual, Audio Power Amplifier, 2.4W/Ch Features: D Output Power: POUT = 2.4W/Ch (Typ) at VCC = 14V, RL = 8Ω, THD = 10% D Wide Operating Supply Voltage Range: VCC = 5.5V to 20V D Very Few External Components Required D Built–In Turn–On “POP” Noise Muting Circuit D Excellent Crosstalk: CT = –60dB (Typ) Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Operating Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24V Output Current (Peak), IO(peak) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5A Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.5W Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +75°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C Electrical Characteristics: (VCC = 14V, RL = 8Ω, Rg = 600Ω, f = 1kHz, TA = +25°C unless otherwise specified) Parameter Min Typ Max Unit VCC = 14V – 27 65 mA VCC = 20V – 3.3 – THD = 10% 2.0 2.4 – – 4.0 – GV 46 48 50 dB Channel Voltage Gain Tatic DGV – 0 1.5 dB Total Harmonic Distortion THD POUT = 500mW – 0.2 1.2 % POUT = 1W, RL = 4Ω – 0.4 – Quiescent Current Output Power Symbol ICCQ POUT Test Conditions RL = 4Ω, THD = 10% Voltage Gain W Output Noise Voltage VNO Rg = 10kΩ – 0.5 1.5 mV Crosstalk CT Rg = 0, POUT = 1.5W – –60 –45 dB Input Resistance RIN VOUT = 1Vrms – 33 – kΩ Ripple Rejection RR Rg = 0, f = 100Hz – –50 – dB Pin Connection Diagram (Front View) 10 Right Channel Output 9 Right Channel NF 8 Right Channel Input 7 Ripple Filter 6 Power GND 5 Pre–GND 4 Left Channel Input 3 Left Channel NF 2 Left Channel Output 1 VCC 1.050 (26.67) Max .867 (22.0) .079 (2.0) .128 (3.2) Dia .276 (7.0) .433 (11.0) 1 10 .217 (5.5) .100 (2.54) .900 (22.8)