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參數(shù)資料
| 型號(hào)： | TDA7262 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 28 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM11 |
| 文件頁(yè)數(shù)： | 6/8頁(yè) |
| 文件大小： | 2149K |
| 代理商： | TDA7262 |
BUILD-IN PROTECTION SYSTEMS
Thermal shut-down
The presence of a thermal limiting circuit offers
the following advantages:
1) an overload on the output (even if it is perma-
nent), or an excessive ambient temperature
can be easily withstood.
2) the heatsink can have a smaller factor of
safety compared with that of a conventional
circuit. There is no device damage in the case
of excessive junction temperature; all that
happens is that PO ( and therefore Ptot) and
IO are reduced. The maximum allowable
power dissipation depends upon the size of
the external heatsink (i.e. its thermal resis-
tance); Figure 12 shows this dissipable power
as a function of ambient temperature for dif-
ferent thermal resistance.
Short circuit (AC Conditions)
The TDA7262 can withstand accidental short cir-
cuits across the speaker made by a wrong con-
nection during normal play operation.
MOUNTING INSTRCTIONS
The power dissipated in the circuit must be re-
moved by adding an external heatsink.
Thanks to the MULTIWATT package attaching
the heatsink is very simple, a screw or a com-
pression spring (clip) being sufficient. between
the heatsink and the package it is better to insert
a layer of silicon grease, to optimize the thermal
contact; no electrical isolation is needed between
the two surfaces.
Figure 11: Total Power Dissipation & Efficiency
vs. Output Power
Figure 12
TDA7262
6/8
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| TDA7263M | 12 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM11 |
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| TDA7266B | 10 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
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| TDA7266L | 7 W, 1 CHANNEL, AUDIO AMPLIFIER, PSFM10 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7263 | 功能描述:音頻放大器 12W Stereo Amplifier 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 |
| TDA7263L | 制造商:TI 制造商全稱:Texas Instruments 功能描述:6 + 6W STEREO AMPLIFIER WITH MUTING |
| TDA7263M | 功能描述:音頻放大器 12W Stereo Amplifier 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 |
| TDA7264 | 功能描述:音頻放大器 25W Stereo Amplifier 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 |
| TDA7264A | 功能描述:音頻放大器 25/25W STEREO AMP 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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