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| NTE1687 Linear Integrated Circuit Dual, 2.5W (7.8W BTL) Audio Amp Description: The NTE1687 is a high performance stereo power amplifier in an 11-Lead SIP type package designed to deliver 1W/Ch into 4 or 2W bridged monaural into 8. It is ideal for sensitive AM radio applications, exhibiting lower wideband noise, lower distortion, and less AM radiation than conventional designs. Features: D Low AM Radiation D Low Noise D 3V, 4, Stereo PO = 250mW D Wide Supply Operation: 3V to 15V D Low Distortion D PO = 9W Bridged Applications: D Compact AM/FM Radios D Stereo Tape Recorders and Players D High Power Portable Stereos Absolute Maximum Ratings: Supply Voltage, VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150C Operating Temperature Range (Note 1), Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0C to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65C to +150C Lead Temperature (During Soldering, 10 sec), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +260C Note 1. For operation at ambient temperature greater than +25C, the NTE1687 must be derated based on a maximum +150C junction temperature using a thermal resistance which depends upon mounting techniques, Electrical Characteristics: (TA = 25C, AV = 200 (46dB), TTAB = 25C, VS = 12V, RL = 8, unless otherwise specified) Parameter Supply Current Operating Supply Voltage Output Power THD = 10%, f = 1kHz VS = 12V, RL = 8 Dual Mode VS = 12V, RL = 8 Bridge Mode VS = 9V, RL = 4 Bridge Mode VS = 9V, RL = 4 Dual Mode Distortion f = 1kHz PO = 50mW PO = 0.5W PO = 1W Power Supply Rejection Ratio (PSRR) Channel Separation Noise CBY = 100F, f = 1kHz, CIN = 0.1F, Output Referred, VRIPPLE = 250mV CBY = 100F, f = 1kHz, CIN = 0.1F, Output Referred Equivalent Input Noise RS = 0 CIN = 0.1F, BW = 20 - 20kHz CCIR/ARM Wideband DC Output Level Input Impedance Input Offset Voltage Voltage Difference between Outputs Input Bias Current Pin Connection Diagram (Front View) Test Conditions PO = 0W, Dual Mode Min - 3 2.0 7.2 - - - - - -40 -50 - - - 5.6 50 - - - Typ 25 - 2.5 9.0 7.8 2.5 0.09 0.11 0.14 -54 -64 1.4 1.4 2.0 6 100 5 10 120 Max 40 15 - - - - - - - - - - - - 6.4 350 - 20 - V k mV mV nA dB dB V Unit mA V W/Ch W W W/Ch % 11 Bypass 10 Output 1 9 Bootstrap 1 8 (-) Input 1 7 (+) Input 1 6 GND 5 (+) Input 2 4 (-) Input 2 3 Bootstrap 2 2 Output 2 1 (+) VS 1.120 (28.45) .880 (22.35) .440 (11.18) .820 (20.83) .220 (5.58) .130 (3.3) Dia (2 Places) .350 (8.89) 1 11 .125 (3.18) .100 (2.54) .130 (3.3) .009 (.229) |
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