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參數(shù)資料
| 型號： | LM4890 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 1 Watt Audio Power Amplifier |
| 中文描述： | 1瓦音頻功率放大器 |
| 文件頁數(shù)： | 6/31頁 |
| 文件大?。?/td> | 1208K |
| 代理商： | LM4890 |
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External Components Description
(
Figure 1
)
Components
1.
Functional Description
R
IN
Inverting input resistance which sets the closed-loop gain in conjunction with R
f
. This resistor also forms a
high pass filter with C
IN
at f
C
= 1/(2
π
R
IN
C
IN
).
Input coupling capacitor which blocks the DC voltage at the amplifier’s input terminals. Also creates a
highpass filter with R
IN
at f
c
= 1/(2
π
R
IN
C
IN
). Refer to the section,
Proper Selection of External
Components
, for an explanation of how to determine the value of C
IN
.
Feedback resistance which sets the closed-loop gain in conjunction with R
IN
.
Supply bypass capacitor which provides power supply filtering. Refer to the section,
Power Supply
Bypassing
, for information concerning proper placement and selection of the supply bypass capacitor,
C
BYPASS
.
C
BYPASS
Bypass pin capacitor which provides half-supply filtering. Refer to the section,
Proper Selection of External
Components
, for information concerning proper placement and selection of C
BYPASS
.
2.
C
IN
3.
4.
R
f
C
S
5.
L
www.national.com
6
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM48901 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Audio Power Amplifier Series |
| LM48901RL | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Audio Power Amplifier Series |
| LM48901RL/NOPB | 功能描述:音頻放大器 Quad Class D Spatial Array 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LM48901RLX | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Audio Power Amplifier Series |
| LM48901RLX/NOPB | 功能描述:音頻放大器 Quad Class D Spatial Array 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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