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參數(shù)資料
| 型號(hào)： | LM4860MWA |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.15 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC |
| 封裝： | WAFER |
| 文件頁(yè)數(shù)： | 6/12頁(yè) |
| 文件大小： | 319K |
| 代理商： | LM4860MWA |
High Gain Application Circuit
Single Ended Application Circuit
External Components Description
(
Figures 1, 2)
Components
Functional Description
1.
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 fC = 1/(2π Ri Ci).
2.
C
i
Input coupling capacitor which blocks DC voltage at the amplifier’s input terminals. Also creates a
highpass filter with R
i at fC = 1/(2π Ri Ci).
3.
R
f
Feedback resistance which sets closed-loop gain in conjunction with R
i.
4.
C
S
Supply bypass capacitor which provides power supply filtering. Refer to the Application Information
section for proper placement and selection of supply bypass capacitor.
DS011988-3
FIGURE 2. Stereo Amplifier with A
VD =20
DS011988-4
*CS and CB size depend on specific application requirements and constraints. Typical values of CS and CB are 0.1 F.
**Pin 2, 6, or 7 should be connected to VDD 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
LM4860
www.national.com
3
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| LM4860MX | 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 |
| LM4860MX/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 |
| LM4861 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1.1W Audio Power Amplifier with Shutdown Mode |
| LM4861_03 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1.1W Audio Power Amplifier with Shutdown Mode |
| LM4861M | 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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