STK4122

Thick Film Hybrid IC INCHANGE STK4122Ⅱ AF Power Amplifier (Split Power Supply) Features Package Dimensions ﹒The STK4122Ⅱseries are pin-compatible in the unit:mm output range of 6W to 50W and enable easy desinging ﹒Built-in muting circuit to cut off various kinds of pop noise ﹒Greatly reduced heat sink due to substrate temperature 125℃ guaranteed ﹒Excellent cost performance 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=±20V,RL=8Ω,f=50Hz,PO=15W Conditions Ratings ±30.5 3.0 150 125 -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=±26V ICCO THD=0.4% PO (1) f=20Hz to 20kHz VCC=±17V,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=±26V,Rg=10 kΩ VCC=±26V -70 -2 0 -5 Conditions Ratings ±20 8 UNIT V Ω Operating characteristics at Ta=25℃,VCC=±20V,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 15 15 0.3 20 to 50k 55 1.2 +70 -10 typ 40 max 100 unit mA W W % Hz kΩ mVrms mV V