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參數資料
| 型號： | LM4864M |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 300 mW Audio Power Amplifier with Shutdown Mode |
| 中文描述： | 0.675 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封裝： | 0.150 INCH, SOIC-8 |
| 文件頁數： | 3/10頁 |
| 文件大小： | 342K |
| 代理商： | LM4864M |
Electrical Characteristics
(Note 1) (Note 2) (Continued)
Note 3:
The maximum power dissipation must be derated at elevated temperatures and is dictated by T
,
θ
, and the ambient temperature T
A
. The maximum
allowable power dissipation is P
=(T
T
)/
θ
or the number given in theAbsolute Maximum Ratings, whichever is lower. For the LM4864, T
=150C.
The typical junction-to-ambient thermal resistance, when board mounted, is 230C/W for package number MUA08A, 170C/W for package number M08A and is
107C/W for package number N08E.
Note 4:
Human body model, 100 pF discharged through a 1.5 k
resistor.
Note 5:
Machine Model, 220 pF–240 pF discharged through all pins.
Note 6:
Typicals are measured at 25C and represent the parametric norm.
Note 7:
Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
Note 8:
The quiescent power supply current depends on the offset voltage when a practical load is connected to the amplifier.
Note 9:
The MUA08BA package is thermally limited to 595 mW of power dissipation at room temperature. Refering to the Power Dissipation vs Output Power graph
in the
Typical Performance Characteristics
section, the power dissipation limitation for the package occurs at 300 mW of output power. This package limitation is
based on 25C ambient temperature and
θ
JA
= 210C. For higher output power possibilities refer to the
Power Dissipation
Section.
www.national.com
3
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| LM4864MM | 300 mW Audio Power Amplifier with Shutdown Mode |
| LM4864N | 300 mW Audio Power Amplifier with Shutdown Mode |
| LM4865 | 750 mW Audio Power Amplifier with DC Volume Control and Headphone Switch |
| LM4865M | 750 mW Audio Power Amplifier with DC Volume Control and Headphone Switch |
| LM4865MM | 750 mW Audio Power Amplifier with DC Volume Control and Headphone Switch |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LM4864M | 制造商:Texas Instruments 功能描述:AMP, AUDIO, BOOMER 0.3W, SMD, SOIC8 制造商:Texas Instruments 功能描述:AMP, AUDIO, BOOMER 0.3W, SMD, SOIC8; Amplifier Class:AB; No. of Channels:1; Output Power:725mW; Supply Voltage Range:2.7V to 5.5V; Amplifier Case Style:MSOP; No. of Pins:8; Load Impedance:8ohm; Operating Temperature Min:-40C; ;RoHS Compliant: Yes |
| LM4864M/NOPB | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LM4864MM | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LM4864MM/NOPB | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LM4864MMX | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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