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參數(shù)資料
| 型號(hào)： | TDA7370 |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類(lèi)： | 音頻放大器 |
| 英文描述： | QUAD POWER AMPLIFIER FOR CAR RADIO |
| 中文描述： | 四功率放大器汽車(chē)收音機(jī) |
| 文件頁(yè)數(shù)： | 12/17頁(yè) |
| 文件大?。?/td> | 259K |
| 代理商： | TDA7370 |
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PolarityInversion
High current (up to 10A) can be handled by the
device with no damage for a longer period than
the blow-out time of a quick 2A fuse (normally
connected in series with the supply). This fea-
tures is added to avoid destruction,if during fitting
to the car, a mistake on the connection of the
supply is made.
Open Ground
When the radio is in the ON condition and the
ground is accidentally opened, a standard audio
amplifier will be damaged. On the TDA7370 pro-
tectiondiodes are included to avoid any damage.
Inductive Load
A protection diode is provided to allow use of the
TDA7370 with inductiveloads.
DC Voltage
The maximum operating DC voltage for the
TDA7370 is 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. 23 shows the dissi-
pablepower as a functionof ambienttemperature
for different thermalresistance.
Loudspeaker Protection
The TDA7370 guaranteessafe operationseven for
theloudspeakerin case of accidentalshortcircuit.
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 23:
Maximum AllowablePower
Dissipationvs. Ambient Temperature
TDA7370
12/17
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TDA7372A | Power Amplifier for Car Radio(用于汽車(chē)收音機(jī)的4×6W功率放大器) |
| TDA7372B | 4 x 6W Power Amplifier for Car Radio(4×6W用于汽車(chē)收音機(jī)的功率放大器) |
| TDA7374B | Dual Bridge Audio Amplifier for Car Radio(用于車(chē)載電臺(tái)的雙通道橋式音頻放大器) |
| TDA7374 | DUAL BRIDGE AUDIO AMPLIFIER FOR CAR RADIO |
| TDA7374BV | DUAL BRIDGE AUDIO AMPLIFIER FOR CAR RADIO |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7370B | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:QUAD POWER AMPLIFIER FOR CAR RADIO |
| TDA7370BV | 功能描述:音頻放大器 18V Op 28V DC 36W 50V Supply 4.5A Out RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)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 |
| TDA7370V | 制造商:STMicroelectronics 功能描述:QUAD 6.5W AMP. - Rail/Tube |
| TDA7372A | 功能描述:音頻放大器 4X6W Power Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)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 |
| TDA7372B | 功能描述:音頻放大器 4X6W Power Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)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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