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參數(shù)資料
| 型號： | LM4845ITL |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Output Capacitor-less Audio Subsystem with Programmable National 3D |
| 中文描述： | 0.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA25 |
| 封裝： | MICRO, SMD-25 |
| 文件頁數(shù)： | 9/29頁 |
| 文件大?。?/td> | 1392K |
| 代理商： | LM4845ITL |
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External Components Description
Components
Functional Description
1
C
IN
This is the input coupling capacitor. It blocks the DC voltage and couples the input signal to the
amplifier’s input terminals. C
IN
also creates a highpass filter with the internal resistor R
i
(Input
Impedance) at f
c
= 1/(2
π
R
i
C
IN
).
This is the supply bypass capacitor. It filters the supply voltage applied to the V
DD
pin.
This is the BYPASS pin capacitor. It filters the 1/2V
DD
voltage.
This is the left channel 3D capacitor.
This is the right channel 3D capacitor.
This is the left channel DC blocking output capacitor.
This is the right channel DC blocking output capacitor.
This is the I
2
C/SPI supply bypass capacitor. It filters the I
2
C/SPI supply voltage applied to the
I
2
C/SPI_V
DD
pin.
This is the left channel 3D external resistor.
OPTIONAL
.
This is the right channel 3D external resistor.
OPTIONAL
.
2
3
4
5
6
7
8
C
SUPPLY
C
BYPASS
C
3DL
C
3DR
C
OL
C
OR
C
I2CSPI_SUPPLY
9
R
3DL
R
3DR
10
Typical Performance Characteristics
THD+N vs Frequency
V
DD
= 3.3V, R
L
= 8
, P
O
= 250mW
Mode 1, BTL
THD+N vs Frequency
V
DD
= 3.3V, R
L
= 32
, P
O
= 12mW
Mode 4, OCL
20105929
20105930
THD+N vs Frequency
V
DD
= 3.3V, R
= 32
, P
O
= 12mW
Mode 6, OCL
THD+N vs Frequency
V
DD
= 3.3V, R
= 32
, P
O
= 12mW
Mode 4, SE
20105939
20105931
L
www.national.com
9
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4845ITL/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 |
| LM4845ITLX/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 |
| LM4846 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Output Capacitor-less Audio Subsystem with Programmable National 3D |
| LM4846TL | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Output Capacitor-less Audio Subsystem with Programmable National 3D |
| LM4846TL/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 |
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