STK Audio Power Amplifier STK4145MK2 Series %*2ch. /Ipackage, + Power Supply % Built-in Latch-type Protection - *&25W/ch. ~ 100W/ch. K*KTHD = 0. 4% Operating Characteristics Maximum Ratings Recommended (Recommend Operating Conditions BAEK Operating Conditions at Test Circuit) RAK HERE ED (ESE anetstt (Test Circuitic T FESLENFARFIC KS) Mode | Vcc Po max 1 Po max 2 Veo me ) eves THD | foe THD RL=8.Q2 Ri=4Q 20kHz (Vg=40dB) (Vg=40dB) (W) (%) (W) (%) *STK4145MK2 + 40.0 + 27.0 + 22.0 25 + 25 0.4 25 + 25 1.0 STK4155MK2 + 42.0 + 28.0 + 25.0 30 + 30 0. 4 35 + 35 1.0 *STK4165MK2 + 45,0 + 30.5 + 26.5 35 + 35 0. 4 40 + 40 1.0 STK4175MK2 + 48.0 + 32.0 + 28.0 40 + 40 0. 4 45 + 45 1.0 *STK41 85MK2_ +50. 0 + 33.5 + 30. 0 45 + 45 0.4 50 + 50 1.0 STK4195MK2 52.5 + 35.0 + 32.0 50 + 50 0.4 55 + 55 1.0 *STK4205MK2 +55. 0 + 38.5 - 60 + 60 0.4 - - *STK4215MK2 +60. 0 + 42.0 - 70 + 70 0. 4 - - *STK4225MK2 +65. 0 + 45.0 - 80 + 80 0. 4 - - *STK4235MK2 +75. 0 +51.0 - 100 + 100 0. 4 - - * Under mass productionSTK Audio Power Amplifier WB Equivalent Circuit @STK4145MK2 ~ STK4195MK2 pret t cee ccc eer eres wee eee ewe ees em eee o)enasm eee eee hb wo TRI3 seme sen wes en enone eee o( 6] @STK4205MK2 ~ STK4235MK2 wee e tow mm ewww eset swe RI a) eee nee y TRIZ TRI wojp-folfea)(w) =e ene nnae OJ =Lojtn ~I TRI 109 - STK4145MK2 SeriesSTK Audio Power Amplifier MiTest Circuit @STK4145MK2 ~ STK4195MK2 ~15V +35V O 100 100 pn R ch. lk 2.2 INPUT fO L ch. INPUT 2. oO & 4.7 4.7 3 O ~ ~ ~ < a RL] | RL 4 non-pola 56k VA 56k WA AN 8 Land g a a a a 3 2 = 8t Q -Ve STK4205MK2 ~ STK4235MK2 5 -15V +35V o 100 100u R ch Vk 2.2u INPUT Re -O L ch, INPUT 2.20 1k ot 470p non-pola ANA [sx | [a | AW. ae 100 3 WA 6 a 8 1004 560STK Audio Power Amplifier HPin compatibility PODOOSGDOOGOGH GAGAG HOODEO | ya ome stearo80e SESTHODSSGOOSHOS OGG SSHSSSSS | mgs -Vec -Vee Leh.Rch. LW) CULL Sub Roh. -Vee +Vcc Phase Leh. ch. | Correction [ec | |_| Input Block Protection Block Power OQutput Prevention of Supply Block Erroneous , Operation WCase Outline @STK4145MK2 ~ STK4195MK2 2-03,6 \ Y eee 9g) 215.) 44 5 WITT | 2.9 2.54 (8.33 53.34 25 STK4205MK2 ~ STK4235MK2 } a +0.2 2703.6 70-4 Wy mt 53 hm _ 4 26.5 32.8 40.2 . i 2.9 2.56 | mT ot +0.2 a 9470-05 (8.75) . 25X2,54=63.5 5.5).