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參數(shù)資料
| 型號(hào)： | LM4753T |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 11.8 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
| 封裝： | TO-220, 15 PIN |
| 文件頁(yè)數(shù)： | 4/16頁(yè) |
| 文件大?。?/td> | 511K |
| 代理商： | LM4753T |
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Application Information (Continued)
performance of the tantalum will be better. There should also
be large supply reservoir capacitors of about 4700 F on
each supply rail. A larger reservoir capacitor will reduce the
supply ripple and will supply larger current burst require-
ments instead of requiring those large currents to come from
the main power supply transformer.
If adequate bypassing is not provided, the current in the sup-
ply leads, which is a rectified component of the load current,
may be fed back into internal circuitry. This signal may cause
signal distortion to increase.
Layout and Ground Loops
When designing a printed circuit board layout, it is important
to return the load ground, any output compensation ground,
and the low-level (feedback and input) grounds to the circuit
board common ground point through separate paths. Large
currents flowing along a ground conductor will generate volt-
ages which effectively act as signals to the input ground ref-
erence. This can result in high frequency oscillation or ex-
cessive distortion. Output compensation components and
the high frequency supply bypass capacitors should be
placed as close as possible to the IC to reduce the effects of
PCB trace resistance and inductance. For cases where long
traces must exist, widen the traces to minimize their induc-
tance.
References
International Electronic Research Corporation
P.O. Box 7704,
Burbank, California 91510-7704,
(818) 842-7277
Thermalloy Inc.
P.O. Box 810839,
Dallas, Tx 75381-0839,
(214) 243-4321,
www.thermalloy.com
www.national.com
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| LM4766MWC | 40 W, 2 CHANNEL, AUDIO AMPLIFIER, UUC |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4755 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Stereo 11W Audio Power Amplifier with Mute |
| LM4755_02 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Stereo 11W Audio Power Amplifier with Mute |
| LM4755T | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Stereo 11W Audio Power Amplifier with Mute |
| LM4755T/NOPB | 功能描述:IC AMP AUDIO PWR 11W AB TO220-9 RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機(jī)，2-通道（立體聲） 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點(diǎn):I²C，麥克風(fēng)，靜音，短路保護(hù)，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) |
| LM4755T/NOPB | 制造商:Texas Instruments 功能描述:Audio Power Amplifier IC |
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