STK Audio Power Amplifier STK4144MK2 Series %2ch. /lpackage, + Power Supply % Built-in Self Recovering Protection *#&25W/ch. ~ 100W/ch. WKTHD = 0. 4% Maximum Ratings Operating Conditions Recommended Operating Characteristics (Recommend Operating Conditions at Test Circuit) BAER 1 BERSPE (Test Circuitic Tc ESSE RSet HEBER ESE IC S) Mode | Vcc Po max 1 Po max 2 i OE ee [7s (V) aso | fis4O 0kHz | (Vo=40dB) (Vo=40dB) Ww | | wo | STK4144MK2 +40, 0 +27.0 | +220 | 25 + 25 0.4 25 + 25 1.0 *STK4154MK2 +42. 0 +28.0 | +25.0 | 30+ 30 0.4 35 + 35 1.0 *STK4164MK2 +45. 0 +30.5 | +26.5 | 35 + 35 0.4 40 + 40 1.0 STK4174MK2 +48. 0 +32.0 | +28.0 | 40 + 40 0.4 45 + 45 1.0 *STK4184MK2 +50. 0 +33.5 | +300 | 45+ 45 0.4 50 + 50 1.0 STK4194MK2 +52.5 +35.0 | +320 | 50 +50 0.4 55 + 55 1.0 STK4204MK2 +55. 0 +38, 5 - 60 + 60 0.4 - - STK421 4MK2 +60. 0 +42. 0 - 70 + 70 0.4 - - STK4224MK2 +65. 0 +45. 0 - 80 + 80 0.4 - - $STK4234MK2 +75. 0 +51.0 - 100+ 100} 0.4 - - * Under mass productionMi Equivalent Circuit @STK4144MK2 ~ STK4194MK2 1 Dewan wawee Rt TRI2 TRIt a(-) 22 ewe weg enue Nh w TRI3 6 STK4204MK2 ~ STK4234MK2 pow cet ccc creme ennes Rt e=anmseeenae ol TRI2 TRI CO) af copE Uw ~~ TRI3 \ STK4144MK2 SeriesMTest Circuit @STK4144MK2 ~ STK4194MK2 ~15V R ch. Ve 2.2. INPUT iS o 4.7 non-pola 56k WAC 56k Wr S 100 3 us AAA uD S 3 S oO -Vee STK4204MK2 ~ STK4234MK2 ~1bv +35V 100 100u R ch, Ik 2.2 INPUT yO + L ch. INPUT 2.2 1k 100 100 560 100n 560STK Audio Power Amplifier Hi Pin compatibility DOOSe ) @ @) @g (9 @ @ 3 3 ( @) >) i) | STK41 44MK2 ~STK4194MK2 ANNE NA SOE (22Pin Type) DOOGDOOD GOO GOOG GOGH GHDGHOSG SSG OBO| Temomkes srua2sane NANO OO (26Pin Type) Chase ich Sub Rohe ~Vee +Vec Vee -Vee Leh. Reh. ase ch. ch. Correction _) | | | +Vec | L_| Input Block Protection Block Power Output Prevention of Supply Block Erroneous Operation W@iCase Outline @STK4144MK2 ~ STK4194MK2 yp" 44, / | | MN - 21.5 5 2-03.6 \ 2.9 PUTTTTTTTTTTTTTT Lg 254 | _| 8.5 (8.33 53.34 STK4204MK2 ~ STK4234MK2 / fy} 7 \es | } LUTTE 53 > 2.34 (8.75) . 25X2.54=83.5 - 103 - STK4144MK2Z Series