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| NTE7102 Integrated Circuit Dual Audio Power Amplifier, 5.5W/Ch (20W BTL) Description: The NTE7102 is a class B dual audio power amplifier in a 14-Lead DIP type package designed for use in a music center and a radio cassette player. Features: D High Output Power: D D D D D D D D D 20W Typ @ VCC = 18V, RL = 8 (BTL) 5.5W/Ch Typ @ VCC = 18V, RL = 8 7W/Ch Typ @ VCC = 15V, RL = 4 5.7W/Ch Typ @ VCC = 12V, RL = 3 4.6W/Ch Typ @ VCC = 12V, RL = 4 Wide Operating Voltage Range: VCC = 6 to 20V Low Quiescent Current: ICC = 23mA Typ @ VCC = 15V Low Noise: NL = 0.25mVrms Typ High Supply Voltage Rejection: SVR = 55dB Typ No Shock Noise at Power Supply Switch ON and OFF Soft Clipping Wave Form Built-In Thermal Shutdown Circuit Low Thermal Resistance: RJC = 3C/W Few External Components Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Supply Voltage, No Signal, VCC1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28V Operating, VCC2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25V Powewr Dissipation (100 x 100 x 2mm Al Heat Sink), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14W Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +150C Recommended Operating Conditions: (TA = +25C unless otherwise specified) Parameter Supply Voltage Load Impedance (Dual) Load Impedance (BTL) Voltage Gain Symbol Min VCC RL RL A 6.0 3 - 38 Typ 4 - 48 Max 8 8 - Unit V dB 12.15 20.0 Electrical Characteristics: (VCC = 15V, RL = 4, f = 1kHz, TA = +25C, 100 x 100 x 2mm Al panel Heat Sink unless otherwise specified) Parameter Circuit Current Voltage Gain Output Power Symbol ICC A PO THD = 10% VCC = 12V, RL = 4 VCC = 12V, RL = 3 VCC = 15V, RL = 4 VCC = 18V, RL = 8 THD = 10%, BTL, VCC = 18V, RL = 4 Total Harmonic Distortion Output Noise Voltage Crosstalk Channel Balance Ripple Rejection Input Impedance THD NL CT Ch. B SVR Zin Pin Connection Diagram (Front View) Test Conditions No Signal Min - 46 - - 6.0 - - - - 45 -1 45 20 Typ 23 48 4.6 5.7 7.0 5.5 20 0.2 0.26 55 0 55 30 Max 36 50 - - - - - 1.0 0.6 - +1 - - Unit mA dB W W W W W % mVrms dB dB dB k PO = 1W DIN AUDIO, RG = 0 PO = 2W, other Ch, RG = 0 PO = 4W RG = 0, f = 100Hz, V = 0.3mVrms 14 13 12 11 10 9 8 7 6 5 4 3 2 1 GND (Output) Output 2 VCC Compensation 2 Bootstrap 2 NFB 2 Input 2 Filter GND (Input) NFB 1 Input 1 Compensation 1 Bootstrap 1 Output 1 1.000 (25.4) Max .843 (21.4) .472 (12.0) .138 (3.5) .480 (12.2) 1 .142 (3.6) Dia. .532 (13.5) Max .607 (15.4) Max 14 .134 (3.4) .067 (1.7) Max .200 (5.08) .138 (3.5) |
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