STK4131V

Ordering number : EN4478A Thick Film Hybrid IC STK4131V AF Power Amplifier (Split Power Supply) (20 W + 20 W min, THD = 0.08%) Features Built-in muting circuit cuts off various kinds of pop noises. Current mirror circuit provides low distortion (THD = 0.08%). Pin compatible with the STK4102II series, forming a series of products with output powers from 15 W/ch to 120 W/ch. Package Dimensions unit : mm 4040 [STK4131V] Specifications Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Thermal resistance Junction temperature Operating case temperature Storage temperature Available time for load shorted Symbol VCC max θj-c Tj max Tc Tstg ts VCC = ±24.5 V, RL = 8 Ω, f = 50 Hz, PO = 20 W Condition Rating ±37 2.6 150 125 –30 to +125 2 Unit V °C/W °C °C °C s Recommended Operating Conditions at Ta = 25°C Parameter Recommended supply voltage Load resistance Symbol VCC RL Condition Rating ±24.5 8 Unit V Ω Operating Characteristics at Ta = 25°C, VCC = ±24.5 V, RL = 8 Ω, Rg = 600 Ω, VG = 40 dB, RL: non-inductive load Rating Parameter Quiescent current Output power Symbol ICCO PO (1) PO (2) Total harmonic distortion Frequency response Input resistance Output noise voltage Neutral voltage Muting voltage THD fL, fH ri VNO VN VM VCC = ±29.5 V THD = 0.08%, f = 20 Hz to 20 kHz VCC = ±21.5 V, THD = 0.2%, RL = 4 Ω, f = 1 kHz PO = 1 W, f = 1 kHz +0 PO = 1 W, dB –3 PO = 1 W, f = 1 kHz VCC = ±29.5 V, Rg = 10 kΩ VCC = ±29.5 V –70 –2 0 –5 20 to 50 k 55 1.2 +70 –10 Condition min ...