參數(shù)資料
型號(hào): 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(yè)數(shù): 9/21頁(yè)
文件大?。?/td> 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
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)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(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(shí)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)
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(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
LM4866MTEX 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
LM4866MTEX/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