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參數資料
| 型號： | LM4866MT |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2.2W Stereo Audio Amplifier |
| 中文描述： | 1.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20 |
| 封裝： | 4.40 MM, TSSOP-20 |
| 文件頁數： | 9/21頁 |
| 文件大小： | 644K |
| 代理商： | LM4866MT |
Typical Performance Characteristics
(Continued)
Channel Separation
Power Supply
Rejection Ratio
20018619
20018621
Open Loop
Frequency Response
Supply Current vs
Supply Voltage
20018622
20018623
External Components Description
(Refer to
Figure 1
.)
Components
1.
Functional Description
R
i
The Inverting input resistance, along with R
f
, set the closed-loop gain. R
i
, along with C
i
, form a high pass
filter with f
c
= 1/(2
π
R
i
C
i
).
The input coupling capacitor blocks DC voltage at the amplifier’s input terminals. C
i
, along with R
i
, create a
highpass filter with f
c
= 1/(2
π
R
i
C
i
). Refer to the section,
SELECTING PROPER EXTERNAL
COMPONENTS
, for an explanation of determining the value of C
i
.
The feedback resistance, along with R
i
, set the closed-loop gain.
The supply bypass capacitor. Refer to the
POWER SUPPLY BYPASSING
section for information about
properly placing, and selecting the value of, this capacitor.
The capacitor, C
B
, filters the half-supply voltage present on the BYPASS pin. Refer to the
SELECTING
PROPER EXTERNAL COMPONENTS
section for information concerning proper placement and selecting
C
B
’s value.
2.
C
i
3.
4.
R
f
C
s
5.
C
B
L
www.national.com
9
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PDF描述 |
|---|---|
| LM4866MTE | 2.2W Stereo Audio Amplifier |
| LM4867 | Output-Transient-Free Dual 2.1W Audio Amplifier Plus No Coupling Capacitor Stereo Headphone Function |
| LM4867LQ | Output-Transient-Free Dual 2.1W Audio Amplifier Plus No Coupling Capacitor Stereo Headphone Function |
| LM4867MT | Output-Transient-Free Dual 2.1W Audio Amplifier Plus No Coupling Capacitor Stereo Headphone Function |
| LM4867MTE | Output-Transient-Free Dual 2.1W Audio Amplifier Plus No Coupling Capacitor Stereo Headphone Function |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LM4866MT/NOPB | 功能描述:IC AMP AUDIO PWR 3.2W AB 20TSSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機，2-通道（立體聲） 在某負載時最大輸出功率 x 通道數量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C，麥克風，靜音，短路保護，音量控制 安裝類型:表面貼裝 供應商設備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) |
| LM4866MTE | 制造商:Texas Instruments 功能描述:AMP AUDIO STEREO 2W SMD TSSOP20 |
| LM4866MTE/NOPB | 功能描述:音頻放大器 2.2W Stereo Audio Amp RoHS:否 制造商:STMicroelectronics 產品: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 |
| LM4866MTEX | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產品: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 |
| LM4866MTEX/NOPB | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產品: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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