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參數(shù)資料
| 型號： | TDA7374B |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Dual Bridge Audio Amplifier for Car Radio(用于車載電臺的雙通道橋式音頻放大器) |
| 中文描述： | 雙橋音頻放大器汽車收音機（用于車載電臺的雙通道橋式音頻放大器） |
| 文件頁數(shù)： | 9/13頁 |
| 文件大?。?/td> | 170K |
| 代理商： | TDA7374B |
DC Voltage
The maximum operating DC voltage for the
TDA7374Bis 18V.
However the device can withstand a DC voltage
up to 28V with no damage. This could occur dur-
ing winter if two batteries are series connected to
crankthe engine.
Thermal Shut-down
The presence of a thermal limiting circuit offers
the followingadvantages:
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 case of
excessive junction temperature: all happens
is that P
o
(and therefore P
tot
) and I
d
are re-
duced.
The maximum allowable power dissipation de-
pends upon the size of the external heatsink (i.e.
its thermal resistance); Fig. 17 shows the dissi-
pable power as a functionof ambienttemperature
for differentthermal resistance.
Loudspeaker Protection
The TDA7374B guarantees safe operations even
for the loudspeaker in case of accidental shortcir-
cuit.
Whenever a single OUT to GND, OUT to V
S
short
circuit occurs both the outputs are switched OFF
so limiting dangerous DC current flowing through
the loudspeaker.
Figure 17:
Maximum AllowablePower
Dissipationvs. Ambient Temperature
TDA7374B
9/13
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TDA7374 | DUAL BRIDGE AUDIO AMPLIFIER FOR CAR RADIO |
| TDA7374BV | DUAL BRIDGE AUDIO AMPLIFIER FOR CAR RADIO |
| TDA7375AH | 2 x 37W DUAL/QUAD POWER AMPLIFIER FOR CAR RADIO |
| TDA7375AV | 2 x 37W DUAL/QUAD POWER AMPLIFIER FOR CAR RADIO |
| TDA7375H | 2 x 35W DUAL/QUAD POWER AMPLIFIER FOR CAR RADIO |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7374BV | 功能描述:音頻放大器 Quad Power 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA7374V | 制造商:STMicroelectronics 功能描述:DUAL 21W BRIDGE AMP - Rail/Tube |
| TDA7375 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2 x 35W DUAL/QUAD POWER AMPLIFIER FOR CAR RADIO |
| TDA7375A | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2 x 37W DUAL/QUAD POWER AMPLIFIER FOR CAR RADIO |
| TDA7375A_05 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2 X 37W DUAL/QUAD POWER AMPLIFIER FOR CAR RADIO |
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