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參數資料
| 型號： | LA4590W |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.021 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48 |
| 封裝： | 0.50 MM PITCH, SQFP-48 |
| 文件頁數： | 19/19頁 |
| 文件大?。?/td> | 538K |
| 代理商： | LA4590W |
External Component Functions: Recommended values are indicated in parentheses.
C1 (1.0 to 10 F)
VREF amplifier reference decoupling capacitor
This capacitor changes the VREF SVRR. Note that the SVRR is degraded as this capacitance decreases.
C2, C10
Playback equalization constants
C3, C9 (0.47 to 3.3 F)
Preamplifier output capacitors
C4, C8
AMS input high pass filter capacitors
C5, C7
Metal tape equalization constants. (The internal resistance is 3.9 k
±15%.)
C6 (0.1 to 22 F)
VREF decoupling capacitor
Used for excluding high frequency noise.
C11, C12 (3.3 to 10 F)
NFC decoupling capacitors
Note that the preamplifier low frequency gain falls as these capacitances are reduced.
C13, C15 (1.0 to 3.3 F)
Power amplifier input capacitors (Input resistance: 10 k
)
C14, C17
Low boost low pass filter capacitors
The low boost gain can be changed by varying these capacitances.
C16 (1.0 to 4.7 F)
Boost amplifier NF capacitor
Note that the low boost low frequency gain falls as these capacitances are reduced.
C18, C23, C26 (0.1 to 1.0 F)
Oscillation suppression capacitors
C19, C22, C25 (3.3 to 10 F)
Power amplifier NF capacitors
Note that the power amplifier low frequency gain falls as these capacitances are reduced.
C20, C24
Loudness high boost capacitors
The high frequency gain is changed by these capacitances.
C21 (100 to 2200 pF)
Oscillation suppression capacitor
C27, C29 (4.7 to 10 F)
R.F. output decoupling capacitors (These capacitors also function as power supply capacitors and oscillation suppression
capacitors.)
C28 (22 to 220 F)
Power supply capacitors
No. 4468-9/19
LA4590W
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LA4592W | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:1.5-V Preamplifier + Power Amplifier for Headphone Stereo Products |
| LA4592W-TFM | 制造商:Panasonic Industrial Company 功能描述:IC |
| LA4597 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:2-Channel Power Amp for Radio-Cassette Recorders |
| LA4598 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Two-channel Power Amplifier for Radio Cassette Players (No Heat Sink Needed during 9 V Operation) |
| LA45A-2-6-BL | 制造商:Carling Technologies 功能描述:L SLIDE SWITCH - Bulk |
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