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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前置放大器 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大小： | 443K |
| 代理商： | LM4834 |
External Components Description
Figure 2 (Continued)
Components.
4.
Functional Description
C
O
Output coupling capacitor which blocks the DC voltage at the amplifiers output. Forms a high pass filter
with R
L
at f
o
= 1/(2
π
R
L
C
O
).
Summing resistor that combines the right and left line level outputs into the mono input of the bridged
amplifier. The two summing resistors in parallel determine the value of the input resistance of the bridged
amplifier.
Resistor for the bridged power amplifier in series with R
F
at high frequencies. Used in conjunction with
C
LFE
to increase closed-loop gain at low frequencies.
Feedback resistor which sets the closed-loop gain in conjunction with the equivalent R
S
for the bridged
power amplifier.
Resistor in series with Microphone supply pin and the microphone for biasing differential input
microphones.
Resistor in series with reference ground and the microphone used for biasing differential input
microphones.
5.
R
S
6.
R
LFE
7.
R
F
8.
R
M1
9.
R
M2
Typical Performance Characteristics
THD+N vs Frequency
Bridged Power Amp
DS100015-5
THD+N vs Frequency
Bridged Power Amp
DS100015-4
THD+N vs Frequency
Bridge Power Amp
DS100015-6
THD+N vs Frequency
Line Out/HP Amplifiers
DS100015-7
THD+N vs Frequency
Line Out/HP Amplifiers
DS100015-8
THD+N vs Frequency
Line Out/HP Amplifiers
DS100015-9
5
www.national.com
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相關代理商/技術參數(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(shù)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) |
| 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(shù)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) |
| 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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