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LA4587 データシート(PDF) 9 Page - Sanyo Semicon Device |
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LA4587 データシート(HTML) 9 Page - Sanyo Semicon Device |
9 / 18 page Description of External Components . C1 (1.0 to 10 µF): VREF amplifier is referenced to this decoupling capacitor. The VREF SVRR depends on the value of this capacitor. Note that if the capacitance is reduced, the SVRR worsens. . C2,C10: Playback preamplifier EQ constant. . C3,C9 (0.47 to 3.3 µF): Preamplifier output capacitor. . C4,C8: AMSS input HPF capacitor. . C5,C7: EQ constant for metal (built-in resistance 3.9 k Ω±15%). . C6 (0.1 to 22 µF): VREF decoupling capacitor. For high-frequency noise rejection. . C11,C12 (3.3 to 10 µF): NFC decoupling capacitor. Note that if the capacitance is reduced, the preamplifier low-frequency gain decreases. . C13,C15 (1.0 to 3.3 µF): Power amplifier input capacitor (Input resistance: 10 k Ω). . C14,C17: Capacitor for low boost LPF. The low boost gain depends on the capacitance. . C16 (1.0 to 4.7 µF): Boost amplifier NF capacitator. Note that if the capacitance is reduced, the low boost low-frequency gain decreases. . C18,C23,C26 (0.1 to 1.0 µF): Oscillation blocking capacitator. . C19,C22,C25 (3.3 to 10 µF): Power amplifier NF capacitor. Note that if the capacitance is reduced, the power amplifier low-frequency gain decreases. . C20,C24: Bass high boost capacitor. The high gain depends on the capacitance. . C21 (100 to 2200 pF): Oscillation blocking capacitator. . C29 (4.7 to 10 µF): RF output decoupling capacitor. (Also serves as the power supply capacitor and the oscillation blocking capacitor.) . C28 (22 to 220 µF): Power supply capacitor. . C30 (2.2 to 10 µF): RF is referenced to this LPF capacitor. The RF SVRR depends on the capacitance. . C31,C32 (0.047 to 0.22 µF): Switching circuit smoothing capacitor. Must be adjusted according to the set timing. . R1,R10: For preamplifier gain adjustment. . R2,R9: Playback preamplifier EQ constant. . R3,R8: EQ constant for metal. . R4,R7:10 kΩ volume control. . R5,R6: For AMSS gain adjustment and HPF. . R11,R12,R13: For oscillation blocking. . R14,R15 (100 to 430 kΩ): For switching circuit smoothing (discharge resistors). LA4587M No.5204-9/18 |
同様の部品番号 - LA4587 |
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同様の説明 - LA4587 |
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