hick film hybrid IC STK-497,49 Se Features IMST, 2 Channels by 2 Power Suppliers. m AF output power STK-457: 10W min., STK-459: 15W min. STK-460: 20W min., STK-461: 20W min., STK-463; 25W min. STK-465: 30W min. MAXIMUM RATINGS /Ta-25C STK- STK- STK- STK. STK- STK- unit 457 459 460 461 463 465 Maximum Supply Voltage Vec max +2606. 4310C #320 #330 O+38 +41 Vv Operating Case Temperature Te > > > > > 105 C Storage Temperature Tstg ~ > > > > =30to+105 C Allowable Load Shorting Time ts > > > > > 2 sec (in appointed condition) RECOMMENDED OPERATION CONDITION / Ta=25C STK. STK- STK- STK- STK- STK- 457 459 460 461 463 465 = unit Recommended Supply Voltage Vcc 418 +21 +423 +423 +26 +28 Vv Load Resistance RL > > > > => 8 ohm OPERATION CHARACTERISTICS / Ta=25C, recommended condition Rg-600 ohm, VG=40dB STK- STK: STK- STK- STK: STK- 457 459 460 461 463 465 unit Quiescent Current leeo > > > > > 120 mAmax Output Power Po THD=0.08% 10 15 20 20 25 30 Wmin f=20~20kHz Distortion THD Po=1W > > > > > 0.08 %omax f=20~20kHz Frequency Response f Po=1W, 49 dB > > > > > 10to 100k Hz f=1kHz Input Resistance rj Po=1W, > > > > > 32k ohm f=1kHz EQUIVALENT CIRCUIT 9 Os ul'jaeuSejeq MMM 92 88 STK-457, 459, 460 - @ APPLICATION: AF Power Amp.