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UTCTDA2003 Datasheet(PDF) 5 Page - Unisonic Technologies

Part # UTCTDA2003
Description  10W CAR RADIO AUDIO AMPLIFIER
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UTCTDA2003 Datasheet(HTML) 5 Page - Unisonic Technologies

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UTCTDA2003
LINEAR INTEGRATED CIRCUIT
UTC UNISONIC TECHNOLOGIES CO., LTD.
5
QW-R107-002,A
10
10
2
10
4
10
5
10
3
-80
-60
-40
-20
0
SVR
(dB)
frequency(Hz)
Fig. 10 Supply voltage
rejection vs.frequency
R2=22
R2=1
0
2
4
6
8
2
0
4
6
8
Fig. 11 Power dissipation
and efficiency vs. output
power(Rl=4
Ω)
Ptot
η
Vs=14.4V
Gv=40dB
f=1kHz
Vs=14.4V
Vripple=0.5V
Gv=40dB
f=1kHz
Rg=10k
Po(W)
Ptot
(W)
Vs=14.4V
Gv=40dB
f=1kHz
Fig. 12 Power dissipation
and efficiency vs. output
power(Rl=2
Ω)
0
2
0
4
6
8
Ptot
(W)
2
4
6
8
Po(W)
80
60
40
20
0
¦Ç
(%)
80
60
40
20
0
η
(%)
Fig. 13 Maximum Power
dissipation and supply
voltage(sine wave operation)
0
5
10
15
20
10
15
20
5
0
RL=1.6
RL=2
RL=3.2
RL=4
Vs(V)
Ptot
(W)
10
15
20
5
0
0
50
100
150
200
Tamb(¢XC)
Ptot
(W)
Fig. 14 Maximum allowable
dissipation and ambient
temperature
infinite heatsink
10¢XC/W
30¢XC/W
Fig. 15 Typical values of
capacitor(Cx) for different
values of frequency
response
36
40
44
48
1
10
100
B=15kHz
B=10kHz
B=20kHz
R2=2.2
Gv(dB)
Cx
(nF)
APPLICATION CIRCUIT
Fig 16 Typical Application Circuit
UTC
TDA2003
1
2
3
5
4
Vi
+Vs
C1
1
µF
Cx
39nF
C3
100nF
R3
1
RL
Rx
39
C4
1000
µF
C2
470
µF
R1
220
R2
2.2
Rx=20*R2
Cx=1/(2
πB*R1)


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