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參數(shù)資料
| 型號： | LM4851LQ |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Integrated Audio Amplifier System |
| 中文描述： | 1.5 W, 3 CHANNEL, AUDIO AMPLIFIER, QCC24 |
| 封裝： | LLP-24 |
| 文件頁數(shù)： | 6/22頁 |
| 文件大?。?/td> | 1126K |
| 代理商： | LM4851LQ |
Note 7:
Machine Model ESD test is covered by specification EIAJ IC-121-1981. A 200pF cap is charged to the specified voltage, then discharged directly into the
IC with no external series resistor (resistance of discharge path must be under 50
).
Note 8:
All voltages are measured with respect to the ground pin, unless otherwise specified.
Note 9:
The given
θ
JA
and
θ
JC
is for an LM4851 mounted on a demonstration board with a 4 in
2
area of 1oz printed circuit board copper ground plane.
Note 10:
Please refer to the Output Noise vs Output Mode table in the Typical Performance Characteristics section for more details.
External Components Description
Figure 1
Components
1.
Functional Description
C
in
This is the input coupling capacitor. It blocks the DC voltage at, and couples the the input signal to, the
amplifier’s input terminals. C
i
, also creates a highpass filter with the internal resistor R
i
at f
c
= 1/(2
π
R
i
C
i
).
This is the supply bypass capacitor. It provides power supply filtering.
This is the BYPASS pin capacitor. It provides half-supply filtering.
2.
3.
C
s
C
B
Typical Performance Characteristics
THD+N vs Frequency (LM4851LQ)
THD+N vs Frequency (LM4851LQ)
200408B4
200408B5
THD+N vs Frequency
THD+N vs Frequency
20040863
20040864
L
www.national.com
6
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| LM4851IBL | Integrated Audio Amplifier System |
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| LM4856LQ | Integrated Audio Amplifier System |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4851LQ/NOPB | 功能描述:IC AMP AUDIO PWR 1.5W MONO 24LLP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 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) |
| LM4852 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Integrated Audio Amplifier System |
| LM48520 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Boosted Stereo Class D Audio Power Amplifier with Output Speaker Protection and Spread Spectrum |
| LM48520TL | 制造商:Texas Instruments 功能描述:Audio Amp Speaker 2-CH Stereo 1.3W Class-D 25-Pin uSMD T/R |
| LM48520TL/NOPB | 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 |
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