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參數(shù)資料
| 型號： | LA4708 |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 30 W, 2 CHANNEL, AUDIO AMPLIFIER, SFM18 |
| 封裝： | SIP-18 |
| 文件頁數(shù)： | 4/9頁 |
| 文件大小： | 144K |
| 代理商： | LA4708 |
LA4708
No. 5245-4/9
Sample Print Pattern
+
C5
C6
C7
C8
C9
R2
R3
R4
R5
VCC
OUT1
OUT2
GND
C4
C3
C2
C1
R1
IN2
IN1
STB
+
1
D
N
G
E
R
P
Copper foil area 90
× 105mm2
Description of External Components
C1, C4
Input capacitors
2.2
μF 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
μF. 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
μF or more is recommended.
R1
Standby switch current
limiting resistor
10k
Ω is recommended (when the applied voltage for the standby switch is 2.5V to 13.2V). This
resistor cannot be removed.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA4708N | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Monolithic Linear IC For Car Stereos 20W 2-channel BTL AF Power Amplifier |
| LA4708N-E | 功能描述:音頻放大器 CLASS-AB POWER AMPLIFIER RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LA4708NF-MB-E | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LA47201L-N-E | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LA47201-N-E | 制造商:ON Semiconductor 功能描述:CARAUDIO AMPLIFIER BTL4CH - Ammo Pack 制造商:ON Semiconductor 功能描述:FNFLD / CARAUDIO AMPLIFIER BTL4CH |
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