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| NTE804 Integrated Circuit Dual Audio Power Amp, 2W Description: The NTE804 is a monolithic dual power amplifier which offers high quality performance for stereo phographs, tape players, recorders and AM-FM stereo receivers, etc. The NTE804 will deliver 2W/channel into 8 or 16 loads. The amplifier is designed to operate with a minimum of external components and contains an internal bias regulator to bias each amplifier. Device overload protection consists of both internal current limit and thermal shutdown. Features: D AVO = 90dB Typ D 2W Per Channel D 70dB Ripple Rejection D 75dB Channel Separation D Internal Stabilization Applications: D Multi-Channel Audio System D Tape Recorders and Players D Movie Projectors D Automotive System D Stereo Phonographs D D D D D D D D D D Self Centering Biasing 3M Input Impedance 10-26V Operation Internal Current Limiting Internal Thermal Protection Bridge Output Stages AM-FM Radio Receivers Intercoms Stereo Amplifiers Instrument Systems Absolute Maximum Ratings: Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26V Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V-Vsupply Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150C Lead Temperature (During Soldering, 10sec max), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300C Electrical Characteristics: (VS = 20V, TTAB = +25C, RL = 8, AV = 50 (34dB) unless otherwise specified) Parameter Total Supply Current DC Output Level Supply Voltage Output Power Total Harmonic Distortion THD = < 5% POUT = 0.05W/Ch, f = 1kHz POUT = 1W/Ch, f = 1kHz POUT = 2W/Ch, f = 1kHz Offset Voltage Input Bias Current Input Impedance Open Loop Gain Output Swing Channel Separation Ripple Rejection Current Limit Slew Rate Equivalent Input Noise Voltage RS = 600, 100Hz - 10kHz CF = 250F, f = 1kHz f = 120Hz, CF = 250F RS = 0 Test Conditions POUT = 0W POUT = 1.5W/Ch Min - - - 10 2 - - - - - 3 66 - 50 60 - - - Typ 15 430 10 - 2.5 0.25 0.07 0.10 15 100 - 90 VS-6 70 70 1.5 1.4 3 Max 50 500 - 26 - - 1 - - - - - - - - - - - Unit mA mA V V W % % % mV nA M dB Vp-p dB dB A V/s Vrms Note 1 For operating at ambient temperatures greater than +25C, the NTE804 must be derated based on a maximum +150C junction temperature using a thermal resistance which depends upon device mounting techniques. Note 2 Dissipation characteristics are shown for four mounting configurations. a. Infinite sink -13.4C/W b. PC board +V7 sink -21C/WQ. PC board is 2 1/2 square inches. Staver V7 sink is 0.02 inch thick copper and has a radiating surface area of 10 square inches. c. PC board only -29C/W. Device soldered to 2 1/2 square inch PC board. d. Free air -58C/W. Pin Connection Diagram Bias 1 14 VCC 13 Output 2 12 GND* 11 GND* 10 GND* 9 8 Input 2 Feedback 2 Output 1 2 *GND 3 *GND 4 *GND 5 Input 1 6 Feedback 1 7 * NOTE: These leads are internally connected. 14 8 .280 (7.1) Max 1 7 .770 (19.5) Max .300 (7.62) .160 (4.0) Max .100 (2.45) .600 (15.24) |
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