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參數(shù)資料
| 型號： | IRAUDAMP5 |
| 廠商： | International Rectifier |
| 英文描述： | 120W x 2 Channel Class D Audio Power Amplifier Using the IRS2092S and IRF6645 |
| 中文描述： | 120瓦× 2通道D類音頻功率放大器使用IRS2092S和IRF6645 |
| 文件頁數(shù)： | 19/49頁 |
| 文件大?。?/td> | 1416K |
| 代理商： | IRAUDAMP5 |
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Thermal Considerations
The daughter-board design can handle one-eighth of the continuous rated power, which is
generally considered to be a normal operating condition for safety standards. Without the addition
of a heatsink or forced air-cooling, the daughter board cannot handle fully rated continuous
power. A thermal image of the daughter board is as shown in Fig 21 below.
Thermal Distribution
Thermal image of Daughter-Voard
Two-Channel x 1/8th Rated Power (15W) in Operation, TC = 54°C at Steady State
±B supply = ±35V, 4
Load, 1kHz audio signal, Temp ambient = 25°C
Fig 21
67
°
C
54
°
C
67
°
C
54
°
C
Click and POP noise:
One of the most important aspects of any audio amplifier is the startup and shutdown procedures.
Typically, transients occurring during these intervals can result in audible pop- or click-noise
from the output speaker. Traditionally, these transients have been kept away from the speaker
through the use of a series relay that connects the speaker to the audio amplifier only after the
startup transients have passed and disconnects the speaker prior to shutting down the amplifier.
Thanks to the click and pop elimination function in the IRS2092S, IRAUDAMP5 does not use
any series relay to disconnect the speaker from the audible transient noise.
www.irf.com
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| IRAUDAMP8 | 功能描述:放大器 IC 開發(fā)工具 120W x 4 Ch Class D IRS2053M IRF665 BRD RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V |
| IRAUDAMP9 | 功能描述:音頻 IC 開發(fā)工具 1.7kW 2ohm Class-D IRS2092 IRFB4227 BRD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
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