NTE1273

NTE1273 Integrated Circuit Dual, Audio Power Amp, 5W/Ch Description: The NTE1273 is a bipolar monolithic integrated circuit in a 20−Lead DIP type package. This 2 channel audio power amplifier is ideal for use in high power car radio applications. Features: D Low Distortion D Self centering Bias D High Peak Output Current D Dual Channel/BTL Amp Use D Low Offset Voltage (Between Ch1 and Ch2 DC Voltage) Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V Output Peak Current (Per Channel), IO(Peak) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4A Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20W Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +75°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +150°C Electrical Characteristics: (TA = +25°C, VCC = 13.2V, RL = 4Ω, Rg = 600Ω, Rf = 68Ω, f = 1kHz, Dual channel operation, GV = 54dB unless otherwise specified) Parameter Quiescent Current Output Power Symbol ICCQ PO THD = 10%, Note 1 BTL, THD = 10%, Note 1 THD = 10%, RL = 2Ω Maximum Output Power Total Harmonic Distortion Output Noise Voltage POM THD VNO Dual BTL Dual, PO = 1W Rg = 10kΩ BW = 50Hz to 20kHz Test Conditions Min 20 4.2 − − − − − − − Typ 36 4.8 15 7.5 6 20 0.2 1.2 1.2 Max 70 − − − − − 0.8 3.0 3.0 Unit mA W W W W W % mV mV Note 1. GV = 47kΩ/Rf (GVmax = 70dB) Electrical Characteristics (Cont’d): (TA = +25°C, VCC = 13.2V, RL = 4Ω, Rg = 600Ω, Rf = 68Ω, f = 1kHz, Dual channel operation, GV = 54dB unless otherwise specified) Parameter Channel Separation Ripple Rejection Input Resistance Voltage Gain Symbol CSR RR RIN GVO Rf = 0Ω VIN = −.245mVrms Pin Connection Diagram Test Conditions Rg = 10kΩ, PO = +10dBm VIN = 0dBm, 100Hz, Rg = 0Ω Min − − − 70 70 Typ −58 −48 40 75 75 Max − − − − − Unit dB dB kΩ dB dB Bypass 1 1 Input 1 2 Feedback 1 3 High Freq Comp 1 4 Bypass 1 5 High Freq Comp 1 6 Bypass 1 7 GND 8 Output 1 9 VCC 10 20 Bypass 2 19 Input 2 18 Feedback 2 17 High Freq Comp 2 16 GND 15 Bypass 2 14 High Freq Comp 2 13 Bypass 2 12 GND 11 Output 2 .945 (24.0) 20 11 .142 (3.6) .335 (8.5) 1 1.200 (30.5) Max .197 (5.0) 10 .700 (17.78) .602 (15.3) .161 (4.0) .020 (.508) 1.062 (26.9) .118 (2.9) Typ