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2 / 5 page No. 7061-2/5 STK402-030 Item Type No. STK402-020 STK402-030 STK402-040 STK402-050 STK402-070 STK402-090 STK402-100 STK402-120 Output 1 (10%/1 kHz) 20 W + 20 W 30 W + 30 W 40 W + 40 W 45 W +45 W 60 W + 60 W 80 W + 80 W 100 W + 100 W 120 W + 120 W Output 2 (0.4%/20 Hz to 20 kHz) 15 W + 15 W 20 W + 20 W 25 W + 25 W 30 W + 30 W 40 W + 40 W 50 W + 50 W 60 W + 60 W 80 W + 80 W Maximum supply voltage ±30 V ±34 V ±38 V ±40 V ±50 V ±54 V ±57 V ±65 V (No signal) Maximum supply voltage ±28 V ±32 V ±36 V ±38 V ±44 V ±47 V ±50 V ±57 V (6 Ω) Recommended supply voltage ±19 V ±22 V ±25 V ±26.5 V ±30 V ±32 V ±35 V ±39 V (6 Ω) Package 46.6 mm × 25.5 mm × 8.5 mm 59.2 mm × 31.0 mm × 8.5 mm Series Organization Parameter Symbol Conditions Ratings Unit Maximum supply voltage (No signal) VCC max(0) ±34 V Maximum supply voltage VCC max(1) RL = 6 Ω ±32 V Thermal resistance θj-c Per power transistor 3.6 °C/W Junction temperature Tj max Both the Tj max and the Tc max conditions must be met. 150 °C Operating IC substrate temperature Tc max 125 °C Storage temperature Tstg –30 to +125 °C Allowable load shorted time *2 ts VCC = ±22.0 V, RL = 6 Ω, f = 50 Hz, PO = 20 W 0.5 s Specifications Maximum Ratings at Ta = 25°C These products are organized as a series based on their output capacity. Parameter Symbol Conditions*1 Ratings Unit VCC (V) f (Hz) PO (W) THD (%) min typ max Output power PO (1) ±22.0 20 to 20 k 0.4 18 20 W PO (2) ±22.0 1 k 10 30 Total harmonic distortion THD (1) ±22.0 20 to 20 k 1.0 0.4 % THD (2) ±22.0 1 k 5.0 0.01 Frequency characteristics fL, fH ±22.0 1.0 +0 –3 dB 20 to 50 k Hz Input impedance ri ±22.0 1 k 1.0 55 k Ω Output noise voltage *3 VNO ±27.0 Rg = 2.2 k Ω 1.2 mVrms Quiescent current ICCO ±27.0 20 50 80 mA Neutral voltage VN ±27.0 –70 0 +70 mV Operating Characteristics at Tc = 25°C, RL = 6 Ω (noninductive load), Rg = 600 Ω, VG = 30 dB Notes: 1. Unless otherwise noted, use a constant-voltage supply for the power supply used during inspection. 2. Use the transformer power supply circuit stipulated in the figure below for allowable load shorted time measurement and output noise voltage measurement. DBA40C 4700 µF 4700 µF 500 Ω 500 Ω +VCC --VCC Stipulated Transformer Power Supply (RP-22 equivalent) 3. The output noise voltage values shown are peak values read with a VTVM. However, an AC stabilized (50 Hz) power supply should be used to minimize the influence of AC primary side flicker noise on the reading. |
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