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參數(shù)資料
| 型號(hào)： | TDA2004 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 10 10W STEREO AMPLIFIER FOR CAR RADIO |
| 中文描述： | 10 10W的立體聲放大器車內(nèi)廣播 |
| 文件頁(yè)數(shù)： | 8/10頁(yè) |
| 文件大小： | 164K |
| 代理商： | TDA2004 |
BUILT–IN PROTECTION SYSTEMS
LOADDUMP VOLTAGESURGE
The TDA2004Ahas a circuit which enables itto wi-
thstanda voltage pulse train, on pin 9, of the type
shownin Fig.19.
If the supplyvoltage peaksto more than 40 V, then
anLCfiltermustbeinsertedbetweenthesupplyand
pin9, in orderto assure thatthe pulses at pin 9 will
be heldwithin the limits shown.
A suggestedLC networkis shownin Fig. 18. With
thisnetwork,atrainofpulsewithamplitudeupto120
V and with of 2 ms can be applied to point A. This
type of protection is ON when the supply voltage
(pulseorDC) exceeds18V.Forthisreasonthema-
ximum operatingsupply voltageis 18 V.
SHORT CIRCUIT (AC conditions)
The TDA2004A can withstand an accidental short-
circuit from the outputto groundcausedbya wrong
connectionduring normal working.
POLARITYINVERSION
High current (up to 10A) can behandled by the de-
vice with no damage for a longer period than the
blow-outtime of a quick 2 A fuse (normally connec-
ted in series with thesupply). This featureis added
to avoiddestruction,if during fitting to the car, ami-
stakeon theconnectionof the supplyis made.
OPEN GROUND
When the ratiois the ON conditionand the ground
is accidentally opened, a standardaudio amplifier
will bedamaged.On theTDA2004Aprotectiondio-
des are included to avoidany damage.
INDUCTIVE LOAD
A protection diode is provided to allow use of the
TDA2004Awith inductiveloads.
DCVOLTAGE
The maximum operating DC voltage on the
TDA2004Ais 18 V.
Howeverthe device can withstand a DC voltageup
to28Vwithnodamage.Thiscouldoccurduringwin-
ter if twobatteriesareseriesconnectedto crankthe
engine.
THERMALSHUT-DOWN
The presenceof a thermallimiting circuit offersthe
following advantages:
1)anoverloadontheoutput(evenifitispermanent),
or an excessive ambienttemperaturecanbe easily
withstood.
2) the heatsinkcan have a smaller factor of safety
comparedwith thatof a conventionalcircuit. There
is no device damagein the case of excessivejun-
ction temperature; all that happensis the P
O
(and
thereforeP
tot
) andI
d
arereduced.
Themaximumallowablepower dissipationdepends
uponthesizeoftheexternalheatsink(i.e.itsthermal
resistance); fig. 15 shownthis dissipablepower as
a functionof ambienttemperaturefor differentther-
mal resistance.
Figure 18.
Figure 19.
TDA2004A
8/10
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TDA2004A | 10 10W STEREO AMPLIFIER FOR CAR RADIO |
| TDA2005M | 20W BRIDGE AMPLIFIER FOR CAR RADIO |
| TDA2005S | 20W BRIDGE AMPLIFIER FOR CAR RADIO |
| TDA2005 | 20W Bridge Amplifier for Car Radio(用于汽車無(wú)線電的20W橋式放大器) |
| TDA2006 | 12W Audio Amplifier(12W音頻放大器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA2004A | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:10 10W STEREO AMPLIFIER FOR CAR RADIO |
| TDA2004-H14-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:10+10W STEREO AMPLIFIER FOR CAR RADIO |
| TDA2004-J11-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:10+10W STEREO AMPLIFIER FOR CAR RADIO |
| TDA2004L-H14-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:10+10W STEREO AMPLIFIER FOR CAR RADIO |
| TDA2004L-J11-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:10+10W STEREO AMPLIFIER FOR CAR RADIO |
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