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參數(shù)資料
| 型號： | LM4865M |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻控制 |
| 英文描述： | 750 mW Audio Power Amplifier with DC Volume Control and Headphone Switch |
| 中文描述： | 1 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大小： | 340K |
| 代理商： | LM4865M |
External Components Description
(Figure 1 )
Components
1.
C
i
Input coupling capacitor which blocks the DC voltage at the amplifier’s input terminals. It also creates a
highpass filter with the internal R
i
. The designer should note that10kOhm
<
(Ri)
<
110kOhm.Therefore 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
.
2.
C
S
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.
3.
C
B
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
.
Functional Description
Typical Performance Characteristics
THD+N vs Frequency
DS101025-5
THD+N vs Frequency
DS101025-6
THD+N vs Output Power
DS101025-7
THD+N vs Output Power
DS101025-8
THD+N vs Output Power
DS101025-9
THD+N vs Output Power
DS101025-10
THD+N vs Output Power
DS101025-11
Power Dissipation vs Load
Resistance
DS101025-12
Power Dissipation vs Output Power
DS101025-13
L
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3
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4865M | 制造商:Texas Instruments 功能描述:AMP AUDIO/VOLT CONTROL 0.75W 4865 |
| LM4865M/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 |
| LM4865MM | 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 |
| LM4865MM/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 |
| LM4865MMX | 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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