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| NTE862 Integrated Circuit Audio Power Amplifier, 5W Description: The NTE862 is a power audio amplifier in a 14-Lead DIP type package designed for use in consumer applications. In order to hold system cost to a minimum, the gain is internally fixed at 34dB. A unique input stage allows the inputs to be ground referenced. The output is automatically self centering to one half the supply voltage. Uses include simple phonograph amplifiers, intercoms, line drivers, teaching machine outputs, alarms, ultrasonic drivers, TV sound systems, AM-FM radio, sound projector systems, etc. Features: D Wide Supply Voltage Range D Low Quiescent Power Drain D Voltage Gain Fixed at 50 D High Peak Current Capability D Input Referenced to GND D High Input Impedance D Low Distortion D Quiescent Output Voltage is at One Half of the Supply Voltage Absolute Maximum Ratings: Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28V Peak Current, ICpeak . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3A Power Dissipation (Note 1), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.67W Input Voltage, Vin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5V Maximum Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150C Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C Lead Temperature (During Soldering, 10 sec.), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +260C Electrical Characteristics: (Note 2) Parameter Input Resistance Bias Current Symbol ZIN IBIAS Inputs Floating Test Conditions Min - - Typ 150 100 Max - - Unit k nA Note 1. The package is to be derated at 15C/W junction to heat sink pins. Note 2. V+ = 22V and TA = +25C operating with a Staver V7 heat sink for 30 seconds. Electrical Characteristics (Cont'd): (Note 2) Parameter Gain Output Power Quiescent Supply Current Quiescent Output Voltage Bandwidth Supply Voltage Short Circuit Current (Note 3) Power Supply Rejection Ratio (Note 4) Total Harmonic Distortion Symbol AV POUT IQ VOUTQ BW V+ ISC PSRRRTO THD POUT = 4W, RL = 8 POUT = 2W, RL = 8 THD = 10%, RL = 8 Test Conditions Min 40 5 - - - 12 - - - Typ 50 5.5 8.5 11 450 - 1.3 31 0.25 Max 60 - 25 - - 26 - - 1.0 Unit V/V W mA V kHz V A dB % Note 2. V+ = 22V and TA = +25C operating with a Staver V7 heat sink for 30 seconds. Note 3. Output is fully protected against a shorted speaker condition at all voltages up to 22V. Note 4. Rejection ratio referred to the output with CBYPASS = 5F, freq = 120Hz. Pin Connection Diagram Bypass 1 Non-Inverting Input 2 * GND 3 * GND 4 * GND 5 Inverting Input 6 GND 7 14 VS 13 N.C. 12 GND * 11 GND * 10 GND * 9 N.C. 8 Vout *NOTE: Heat Sink Pins 14 8 .280 (7.1) Max 1 7 .770 (19.5) Max .160 (4.0) Max .300 (7.62) .100 (2.45) .600 (15.24) |
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