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LA4708N Arkusz danych(PDF) 4 Page - ON Semiconductor |
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LA4708N Arkusz danych(HTML) 4 Page - ON Semiconductor |
4 / 9 page LA4708N No. A1783-4/9 Sample Print Pattern + C5 C6 C7 C8 C9 R2 R3 R4 R5 VCC OUT1 OUT2 GND GND C4 C3 C2 C1 R1 IN2 IN1 STB + + + + 1 Copper foil area 90 × 105mm2 Description of External Components C1, C4 Input capacitors 2.2 F is recommended. fL can be varied by C1, C4 capacitances to adjust the bass range. C2 Decoupling capacitor (ripple filter) C3 Amplifier on time setting capacitor Approximately 0.8 second for 33 F. Since the on time is proportional to this capacitance, it can be set as desired by varying this capacitance. (Refer to the characteristics curve.) C5 Power supply capacitor C6, C7, C8, C9 Oscillation blocking capacitors Use polyester film capacitors (Mylar capacitors) with good temperature characteristics. (R2, R3, R4, and R5 used jointly.) Since stability may be affected slightly by the pattern layout, etc., 0.1 F or more is recommended. R1 Standby switch current limiting resistor 10k is recommended (when the applied voltage for the standby switch is 2.5V to 13.2V). This resistor cannot be removed. |
Podobny numer części - LA4708N |
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Podobny opis - LA4708N |
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