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參數(shù)資料
| 型號： | LM4893ITLX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.1 Watt Audio Power Amplifier |
| 中文描述： | 1.1 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9 |
| 封裝： | MICRO, SMD-9 |
| 文件頁數(shù)： | 5/22頁 |
| 文件大?。?/td> | 705K |
| 代理商： | LM4893ITLX |
External Components Description
(
Figure 1
)
Components
1.
Functional Description
R
i
Inverting input resistance which sets the closed-loop gain in conjunction with R
f
. This resistor also forms a
high pass filter with C
i
at f
C
= 1/(2
π
R
i
C
i
).
Input coupling capacitor which blocks the DC voltage at the amplifiers input terminals. Also creates a
highpass 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
.
Feedback resistance which sets the closed-loop gain in conjunction with R
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
i
3.
4.
R
f
C
S
5.
C
B
Typical Performance Characteristics
THD+N vs Frequency
at V
DD
= 5V, 8
R
L
, and PWR = 250mW
THD+N vs Frequency
at V
DD
= 3.0V, 8
R
L
, and PWR = 150mW
20038037
20038038
THD+N vs Frequency
at V
DD
= 2.6V, 8
R
L
, and PWR = 100mW
THD+N vs Frequency
at V
DD
= 2.6V, 4
R
L
, and PWR = 100mW
20038039
20038040
L
www.national.com
5
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相關代理商/技術參數(shù) |
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| LM4893MM | 制造商:Texas Instruments 功能描述:AMP AUDIO POWER 1.1W SMD LLP-10 |
| LM4893MM/NOPB | 功能描述:IC AMP AUDIO PWR 1.1W AB 10MSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)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) |
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