NTE1874 integrated circuit module, dual af po, 30w/ch dual power supply absolute maximum ratings : (t a = +25 c unless otherwise specified) supply voltage, v cc max 30.5v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . thermal resistance, junction ? to ? case, r thjc 2.6 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . junction temperature, t j 150 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . operating case temperature, t c 125 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . storage temperature range, t stg ? 30 to +125 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . available time for load shorted (v cc = 26v, r l = 8 ? , f = 50hz, p o = 25w), t s 2sec . . . . . . . . . . . recommended operating conditions : (t a = +25 c unless otherwise specified) recommended operating voltage, v cc 20v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . load resistance, r l 8 ? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . operating characteristics : (t a = +25 c, r g = 600 ? , v g = 40db, r l : non ? inductive load) parameter symbol test conditions min typ max unit output current p o 15 ? ? w total harmonic distortion thd ? ? 0.3 % distortion frequency characteris- tic f l , f h 20 to 50k hz input impedance r i ? 55k ? ? output noise voltage v no ? ? 1.2 m v rms quiescent current i cco ? 100 ? ma middle point voltage v n ? 70 to +70 mv muting voltage v m ? ? 5 ? v
pin connection diagram v cc ( ? ) v cc (+) v cc ( ? ) lt ch input (+) compensation compensation muting lt ch output compensation gnd rt ch input (+) rt ch input ( ? ) rt ch output compensation 18 17 16 15 14 bypass 13 12 11 10 9 8 compensation 7 compensation 6 5 4 3 2 lt ch input ( ? ) 1 .141 (3.6) dia (2 holes) .737 (18.7) 1.440 (36.4) 1.030 (32.5) .158 (4.0) 118 .100 (2.54) .114 (5.5) 1.700 (43.18) 2.190 (55.6) 2.520 (64.0) .334 (8.5)
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