STK4142

Thick Film Hybrid IC INCHANGE STK4142Ⅱ AF Power Amplifier (Split Power Supply) Features ﹒the STK4142Ⅱ series and STK4101V series (high-grade type) are pin-campatible in the output range of 6 to 50W and enable easy design ﹒Built-in muting circuit to cut off various kinds of pop noise ﹒Greatly reduced heat sink due to substrate temperature125℃ guaranteed ﹒Excellent cost performance Package Dimensions unit:mm Specifications Maximum Ratings at Ta=25℃ Parameter Maximum supply voltage Thermal resistance Junction temperature Operating substrate temperature Storage temperature Available time for load short-circuit Symbol VCC max θj-c Tj Tc Tstg ts VCC=±26V,RL=8Ω,f=50Hz,PO=25W Conditions Ratings ±39 2.6 150 125 -30 to+125 2 UNIT V ℃/W ℃ ℃ ℃ s Recommended operating conditions at Ta=25℃ Parameter Recommended supply voltage Load resistance Symbol VCC RL RL:non-inductive load Symbol Conditions VCC=±31V ICCO THD=0.4% PO (1) f=20Hz to 20kHz VCC=±22V,THD=1.0% PO (2) RL=4Ω,f=1kHz THD PO=1.0W,f=1kHz +0 fL, fH PO=1.0W, dB -3 rj PO=1.0W,f=1kHz VNO VN VM VCC=±31V,Rg=10 kΩ VCC=±31V -70 -2 0 -5 Conditions Ratings ±26 8 UNIT V Ω Operating characteristics at Ta=25℃,VCC=±26V,RL=8Ω,Rg=600Ω,VG=40dB, Parameter Quiescent current Output power Total harmonic distortion Frequency response Input impedance Output noise voltage Neutral voltage Muting voltage min 20 25 25 0.3 20 to 50k 55 1.2 +70 -10 typ 40 max 100 unit mA W W % Hz kΩ mVrms mV V