NTE1879 integrated circuit module, hybrid, dual audio power amp, 18w/ch, dual power supplies applications: video projectors absoulte maximum ratings: (t a = +25 c unless otherwise specified) supply voltage, v cc 30v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . operating case temperature, t c +105 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . storage temperature range, t stg ?30 to +105 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . total thermal resistance, junction?to?case, r thjc 1.0 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . available time for load shorted (v cc = 20.5v, r l = 8 ? , p o = 18w, f = 50hz), t s 2sec . . . . . . . . . recommended operating conditions: (t a = +25 c unless otherwise specified) supply voltage, v cc 24v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . electrical characteristics: (t a = +25 c, v cc = 24v, r g = 50 ? , unless otherwise specified) parameter symbol test conditions min typ max unit quiescent current i cco ? 15 25 ma noise voltage v no ? ? 0.2 mv rms midpoint voltage v n ?50 0 +50 mv output delay time t d v cc = 20.5v, f = 15.75khz, triangular wave input v p?p = 1.5v ? ? 1 s note 1. for power supply at the time of test, use a constant?voltage power supply unless otherwise specified. note 2. the output noise voltage is represented by the peak value on an rms scale (v tvm ) of the average value indicated.
lt ch ( ? ) v cc (+) v cc (+) v cc rt ch ( ? ) v cc pin connection diagram (front view) lt ch input (+) gnd lt ch output feedback lt ch input ( ? ) feedback rt ch input ( ? ) 15 14 13 12 rt ch input (+) bypass 11 rt ch output 10 9 8 7 6 5 bypass 4 3 2 1 .807 (20.5) 1.260 (32.0) 2.335 (59.3) 2.050 (52.0) .276 (7.0) .135 (3.45) dia (2 places) 115 1.400 (35.6) .100 (2.54) .512 (13.0)
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