NTE1337 integrated circuit module ? hybrid, audio power amp 70 watt, 2 power supplies required features: minimum output power ? 70w dual power supply ? single channel thick film hybrid load shorting protector absolute maximum ratings: supply voltage, v cc 55v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . collector current, i c 7a . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . operating case temperature, t c +85 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . storage temperature range, t stg ? 30 to +100 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . thermal resistance, junction to case, r jc 1.4 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . electrical characteristics : (t a = +25 c, v cc = 42v, r l = 8 ? , r g = 600 ? , v g = 26.4db) parameter symbol test conditions min typ max unit quiescent current i cco v cc = 50v ? 50 100 ma output power p o(1) thd = 0.2%, f = 20 to 20khz 70 ? ? w p o(2) thd = 0.2%, f = 1khz ? 80 ? w p o(3) thd = 0.2%, v cc = 50v, f = 1khz ? 100 ? w total harmonic distortion thd (1) p o = 1 to 70w, f = 20 to 20hz ? ? 0.2 % thd (2) p o = 1w, f = 1khz ? 0.03 ? % frequency response f p o = 1w, +0db, ? 1db 10 to 100k hz input resistance r i p o = 1w, f = 1khz ? 52 ? k ? output noise voltage v no v cc = 50v, r g = 10k ? ? 0.3 0.5 mv rms noise voltage v n v cc = 50v, ? 70 ? 70 ? 70 mv
pin connection diagram ripple filter ( ? ) v cc 1 (+) v cc 1 (+) v cc 2 gnd n.c. (+) input ( ? ) input compensation output 9 8 7 6 5 4 3 2 1 10 ( ? ) v cc ripple filter 110 .135 (3.42) dia (2 holes) 2.766 (70.0) 3.071 (78.0) 1.422 (36.0) 1.733 (44.0) .492 (12.5) .157 (4.0) .028 (0.71) .315 (8.0)
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