參數(shù)資料
型號： LM4834
廠商： National Semiconductor Corporation
英文描述： 1.75W Audio Power Amplifier with DC Volume Control and Microphone Preamp
中文描述： 1.75W音頻功率放大器直流音量控制和麥克風(fēng)前置放大器
文件頁數(shù)： 4/12頁
文件大?。?/td> 443K
代理商： LM4834
Typical Application
Truth Table for Logic Inputs
Mode
0
0
0
1
1
1
Mute
0
0
1
0
0
1
HP Sense
0
1
X
0
1
X
DC Vol. Control
Adjustable
Adjustable
_
Adjustable
Adjustable
_
Line/HP Left
Fixed Level
Fixed Level
Fixed Level
Vol. Changes
Vol. Changes
Muted
Line/HP Right
Fixed Level
Fixed Level
Fixed Level
Vol. Changes
Vol. Changes
Muted
Speaker Out
Vol. Changes
Muted
Muted
Vol. Changes
Muted
Muted
External Components Description
Figure 2
Components.
1.
Functional Description
C
i
Input coupling capacitor which blocks the DC voltage at the amplifier’s input terminals. Also creates a
high pass filter with R
i
at f
c
= 1/(2
π
R
i
C
i
). Refer to the section,
Proper Selection of External
Components
, for an explanation of how to determine the value of C
i
.
Supply bypass capacitor which provides power supply filtering. Refer to the
Power Supply Bypassing
section for information concerning proper placement and selection of the supply bypass capacitor.
Bypass pin capacitor which provides half-supply filtering. Refer to the section,
Proper Selection of
External Components
, for information concerning proper placement and selection of C
B
.
2.
C
S
3.
C
B
DS100015-3
FIGURE 2. Typical Application Circuit
www.national.com
4
相關(guān)PDF資料
PDF描述
LM4834MS 1.75W Audio Power Amplifier with DC Volume Control and Microphone Preamp
LM4835 Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain
LM4835MT Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain
LM4835MTE Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain
LM4836 Stereo 2W Audio Power Amplifiers with DC Volume Control, Bass Boost, and Input Mux
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4834A E WAF 制造商:Texas Instruments 功能描述:
LM4834MS 制造商:Texas Instruments 功能描述:28 pin Boomer 1.75W Audio Power Amplifier with DC Volume Control and Microphone Preamp 47 per tube 制造商:Texas Instruments 功能描述:IC, AUDIO PWR AMP CLASS AB 1.75W SSOP-28, Amplifier Class:AB, No. of Channels:1,
LM4834MS/NOPB 功能描述:IC AMP AUDIO PWR 1.1W AB 28SSOP 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，2-通道（立體聲） 在某負載時最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C，麥克風(fēng)，靜音，短路保護，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)
LM4834MSX/NOPB 功能描述:IC AMP AUDIO PWR 1.1W AB 28SSOP 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，2-通道（立體聲） 在某負載時最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C，麥克風(fēng)，靜音，短路保護，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)
LM4835 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain
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