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参数资料
| 型号： | TDA2003H |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 10 W, 1 CHANNEL, AUDIO AMPLIFIER, ZFM5 |
| 封装： | PENTAWATT-5 |
| 文件页数： | 8/10页 |
| 文件大小： | 226K |
| 代理商： | TDA2003H |
Short-circuit (AC and DC conditions)
The TDA 2003 can withstand a permanent short-
circuit on the output for a supply voltage up to 16V.
Polarity inversion
High current (up to 5A) can be handled by the
device with no damage for a longer period than the
blow-out time of a quick 1A fuse (normally con-
nected in series with the supply).
This feature 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 TDA 2003 pro-
tection diodes are included to avoid any damage.
Inductive load
A protection diode is provided between pin 4 and 5
(see the internal schematic diagram) to allow use
of the TDA 2003 with inductive loads.
In particular, the TDA 2003 can drive a coupling
transformer for audio modulation.
DC voltage
The maximum operating DC voltage on the TDA
2003 is 18V.
However the device can withstand a DC voltage up
to 28V with no damage. This could occur during
winter if two batteries were series connected to
crank the engine.
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), oran excessive ambient temperature can
be easily withstood.
2) the heat-sink can have a smaller factor com-
pared with that of a conventional circuit.
There is no device damage in the case of ex-
cessive junction temperature: all that happens
is that Po (and therefore Ptot) and Id are reduced.
Figure 20. Output power and
dra i n
cu rre nt
vs .
case
temperature (RL = 4
)
Figure 21. Output power and
d rai n
cur ren t
vs.
c ase
temperature (RL = 2
)
Figure 18.
Figure 19.
7/10
TDA2003
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| TDA2003V | 10 W, 1 CHANNEL, AUDIO AMPLIFIER, ZFM5 |
| TDA2007A | 6 W, 2 CHANNEL, AUDIO AMPLIFIER, PSFM9 |
| TDA2040H | 22 W, 1 CHANNEL, AUDIO AMPLIFIER, PSFM5 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA2003H | 制造商:STMicroelectronics 功能描述:Audio Power Amplifier IC |
| TDA2003L-TA5-T | 制造商:UTC-IC 制造商全称:UTC-IC 功能描述:10W CAR RADIO AUDIO AMPLIFIER |
| TDA2003L-TB5-T | 制造商:UTC-IC 制造商全称:UTC-IC 功能描述:10W CAR RADIO AUDIO AMPLIFIER |
| TDA2003-TA5-T | 制造商:UTC-IC 制造商全称:UTC-IC 功能描述:10W CAR RADIO AUDIO AMPLIFIER |
| TDA2003-TB5-T | 制造商:UTC-IC 制造商全称:UTC-IC 功能描述:10W CAR RADIO AUDIO AMPLIFIER |
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