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PDF UTCTDA2003 Data sheet ( Hoja de datos )
| Número de pieza | UTCTDA2003 | |
| Descripción | 10W CAR RADIO AUDIO AMPLIFIER | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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UTCTDA2003 LINEAR INTEGRATED CIRCUIT
10W CAR RADIO AUDIO AMPLIFIER
DESCRIPTION
The UTC TDA2003 is a monolithic audio power amplifier
integrated circuit.
FEATURES
*Very low external component required.
*High current output ( up to 3 A).
*Low harmonic and crossover distortion.
*Built-in Over temperature protection.
*Short circuit protection between all pins.
PIN CONFIGURATIONS
1 Non inverting input
2 Inverting input
3 Ground
4 Output
5 Supply Voltage
1
TO-220B
BLOCK DIAGRAM
5
4
3
12
UTC UNISONIC TECHNOLOGIES CO., LTD. 1
QW-R107-002,A
1 page  
UTC TDA2003
SVR
(dB)
0
-20
-40
Fig. 10 Supply voltage
rejection vs.frequency
Vs=14.4V
Vripple=0.5V
Gv=40dB
f=1kHz
Rg=10kΩ
R2=22 Ω
-60 R2=1 Ω
LINEAR INTEGRATED CIRCUIT
Fig. 11 Power dissipation
and efficiency vs. output
power(Rl=4 Ω)
Ptot
(W)
8η
Vs=14.4V
6 Gv=40dB
f=1kHz
4
Ptot
2
η Ptot
(%) (W)
80 8
60 6
Fig. 12 Power dissipation
and efficiency vs. output
power(Rl=2 Ω)
Vs=14.4V
Gv=40dB
f=1kHz
40 4
20 2
¦Ç
(%)
80
60
40
20
-80
10
23
45
10 10
10 10
frequency(Hz)
Fig. 13 Maximum Power
dissipation and supply
voltage(sine wave operation)
Ptot
(W)
20
15
10
5
0
0
RL=1.6 Ω
RL=2 Ω
RL=3.2 Ω
RL=4 Ω
5 10 15
20 Vs(V)
00
0 2 46 8
Po(W)
Fig. 14 Maximum allowable
dissipation and ambient
temperature
Ptot
(W)
20
infinite heatsink
15
10
5
0
0
10¢XC/W
30¢XC/W
50 100
150 200
Tamb(¢XC)
00
0 2 46 8
Po(W)
100
Cx
(nF)
Fig. 15 Typical values of
capacitor(Cx) for different
values of frequency
response
B=10kHz
B=15kHz
10
B=20kHz
R2=2.2Ω
1
36 40 44 48 Gv(dB)
APPLICATION CIRCUIT
+Vs
Vi
C1
1 µF
1
5
UTC
TDA2003
23
Rx
39Ω
Cx
39nF
C2
470 µF
C3
100nF
C4
4 1000 µF
R1
220Ω R3
1Ω
R2
2.2Ω
RL
Rx=20*R2
Cx=1/(2πB*R1)
Fig 16 Typical Application Circuit
UTC UNISONIC TECHNOLOGIES CO., LTD. 5
QW-R107-002,A
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet UTCTDA2003.PDF ] | |
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