參數(shù)資料
型號: LM4883
廠商: National Semiconductor Corporation
元件分類: 音頻放大器
英文描述: Dual 2.1W Audio Amplifier Plus Stereo Headphone
中文描述: 雙2.1W音頻功率放大器加立體聲耳機(jī)
文件頁數(shù): 2/23頁
文件大?。?/td> 1244K
代理商: LM4883
Typical Application
External Components Description
(Refer to
Figure 1
)
Components
R1, 4, 5, 6
Functional Description
1.
The inverting input resistance R1, along with R
3
, set the closed-loop gain. R
1
, along with C
1
,
form a high pass filter with f
c
= 1/(2
π
R
1
C
1
).
The input coupling capacitor blocks DC voltage at the amplifier’s input terminals. C
1
, along with
R
1
, create a highpass filter with f
c
= 1/(2
π
R
1
C
1
). Refer to the section,
SELECTING PROPER
EXTERNAL COMPONENTS
, for an explanation of determining the value of C
1
.
The feedback resistance, along with R
1
sets 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
5
, 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
5
’s value.
2.
C1, 2, 3, 4
3.
4.
R2, 3, 7, 8
C6
5.
C5
200887A1
FIGURE 1. Typical Audio Amplifier Application Circuit
L
www.national.com
2
相關(guān)PDF資料
PDF描述
LM4883SQ Dual 2.1W Audio Amplifier Plus Stereo Headphone
LM4889 1 Watt Audio Power Amplifier
LM4890IBLX GT 3C 3#16S SKT RECP WALL RM
LM4890ITLX 1 Watt Audio Power Amplifier
LM4890LD 1 Watt Audio Power Amplifier
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4883A E WAF 制造商:Texas Instruments 功能描述:
LM4883SQ 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual 2.1W Audio Amplifier Plus Stereo Headphone
LM4883SQ/NOPB 功能描述:IC AMP AUDIO PWR 3W STER 24LLP 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)
LM4883-SQ_BOM-001A 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Demo Board
LM4883SQX/NOPB 功能描述:IC AMP AUDIO PWR 3W STER 24LLP 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)