NTE1215 integrated circuit stereo equalizer amplifier features: good voltage and thermal regulation small shock noise at switching on low distortion, high s/n absolute maximum ratings: (t a = +25 c, unless otherwise specified) supply voltage, v cc 15v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . power dissipation, p d 100mw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . operating temperature range, t opg ? 20 to +80 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . storage temperature range, t stg ? 40 to +125 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . electrical characteristics : (t a = +25 c, v cc = 9v, r l = 10k ? , r g = 600 ? , f = 1khz, unless otherwise specified) parameter symbol test conditions min typ max unit dissipation current i cc one channel ? 1.3 ? ma voltage gain v g open loop 75 80 ? db nab 9.5cm/s 43 45 47 db gain difference between 2 channel ? ? 0.5 db output voltage v o thd = 1% 1.0 1.5 ? v total harmonic distortion thd v o = 0.5v ? 0.1 ? % input resistance r i 80 ? ? k ? noise voltage converted to input v ni r g = 20k ? , flat ? 2.5 3.5 v cross talking v o = 1v ? ? 70 ? db
pin connection diagram v cc ch 2 v cc ch 2 input emitter output 2 output emitter input collector 1 output 1 gnd 1 output emitter input emitter decouple filter cap output collector 2 gnd 2 input base 2 decouple filter cap 1 2 3 4 5 6 7 8 16 15 14 13 input base 1 12 11 10 9 bypass 2 bypass 2 bypass 1 bypass 1 .260 (6.6) max 16 9 18 .785 (19.9) max .200 (5.08) max .245 (6.22) min .300 (7.62) .700 (17.7) .100 (2.54)
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