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參數(shù)資料
| 型號(hào)： | LM4860 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Series 1W Audio Power Amplifier with Shutdown Mode |
| 中文描述： | 系列1W音頻功率放大器關(guān)斷模式 |
| 文件頁(yè)數(shù)： | 3/9頁(yè) |
| 文件大小： | 278K |
| 代理商： | LM4860 |
High Gain Application Circuit
Single Ended Application Circuit
External Components Description
(Figures 1, 2)
Components
1.
Functional Description
R
i
Inverting input resistance which sets the closed-loop gain in conjunction with R
f
. This resistor also
forms a high pass filter with C
i
at f
C
= 1/(2
π
R
i
C
i
).
Input coupling capacitor which blocks DC voltage at the amplifier’s input terminals. Also creates a
highpass filter with R
i
at f
C
= 1/(2
π
R
i
C
i
).
Feedback resistance which sets closed-loop gain in conjunction with R
i
.
Supply bypass capacitor which provides power supply filtering. Refer to the
Application Information
section for proper placement and selection of supply bypass capacitor.
2.
C
i
3.
4.
R
f
C
S
DS011988-3
FIGURE 2. Stereo Amplifier with A
VD
= 20
DS011988-4
*
C
S
and C
B
size depend on specific application requirements and constraints. Typical values of C
S
and C
B
are 0.1 μF.
**
Pin 2, 6, or 7 should be connected to V
DD
to disable the amplifier or to GND to enable the amplifier. These pins should not be left floating.
***
These components create a “dummy” load for pin 8 for stability purposes.
FIGURE 3. Single-Ended Amplifier with A
V
= 1
www.national.com
3
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4860_00 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Series 1W Audio Power Amplifier with Shutdown Mode |
| LM4860M | 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 |
| LM4860M | 制造商:Texas Instruments 功能描述:IC AMP AUDIO 1W SMD 4860 SOIC16 |
| LM4860M/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 |
| LM4860M_NOPB | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Series 1W Audio Power Amplifier with Shutdown Mode |
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