®
TDA2003
10W CAR RADIO AUDIO AMPLIFIER
DESCRIPTION
The TDA 2003 has improved performance with the
same pin configuration as the TDA 2002.
The additional features of TDA 2002, very low
number of external components, ease of assembly,
space and cost saving, are maintained.
The device provides a high output current capability
(up to 3.5A) very low harmonic and cross-over
distortion.
Completely safe operation is guaranteed due to
protection against DC and AC short circuit between
all pins and ground, thermal over-range, load dump
voltage surge up to 40V and fortuitous open
ground.
ABSOLUTE MAXIMUM RATINGS
Symbol
V
S
V
S
V
S
I
O
I
O
Ptot
T
stg
, T
j
Parameter
Peak supply voltage (50ms)
DC supply voltage
Operating supply voltage
Output peak current (repetitive)
Output peak current (non repetitive)
Power dissipation at Tcase = 90°C
Storage and junction temeperature
PENTAWATT
ORDERING NUMBERS :
TDA 2003H
TDA 2003V
Value
40
28
18
3.5
4.5
20
-40 to 150
Unit
V
V
V
A
A
W
°C
TEST CIRCUIT
September 2013
1/10
TDA2003
PIN CONNECTION
(top view)
SCHEMATIC DIAGRAM
THERMAL DATA
Symbol
R
th-j-case
Parameter
Thermal resistance junction-case
max
Value
3
Unit
°C/W
2/10
TDA2003
DC TEST CIRCUIT
AC TEST CIRCUIT
ELECTRICAL CHARACTERISTICS
( V
s
= 14.4V, T
amb
= 25
°C
unless otherwise specified)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
DC CHARACTERISTICS
(Refer to DC test circuit)
V
s
V
o
I
d
Supply voltage
Quiescent output voltage (pin 4)
Quiescent drain current (pin 5)
8
6.1
6.9
44
18
7.7
50
V
V
mA
AC CHARACTERISTICS
(Refer to AC test circuit, Gv = 40 dB)
P
o
Output power
d = 10%
f = 1 kHz
R
L
= 4Ω
R
L
= 2Ω
R
L
= 3.2Ω
R
L
= 1.6Ω
5.5
9
6
10
7.5
12
W
W
W
W
mV
14
55
10
50
mV
mV
mV
mV
V
i(rms)
V
i
Input saturation voltage
Input sensitivity
f = 1 kHz
P
o
= 0.5W
P
o
= 6W
P
o
= 0.5W
P
o
10W
R
L
= 4Ω
R
L
= 4Ω
R
L
= 2Ω
R
L
= 2Ω
300
3/10
TDA2003
ELECTRICAL CHARACTERISTICS
(continued)
Symbol
B
d
Parameter
Frequency response (-3 dB)
Distortion
Test conditions
P
o
= 1W
R
L
= 4Ω
f = 1 kHz
P
o
= 0.05 to4.5W R
L
= 4Ω
P
o
= 0.05 to 7.5W R
L
= 2Ω
f = 1 kHz
f = 1 kHz
f = 10 kHz
f = 1 kHz
R
L
= 4Ω
(0)
(0)
f = 1 Hz
P
o
= 6W
P
o
= 10W
f = 100 Hz
V
ripple
= 0.5V
R
g
= 10 kΩ
R
L
= 4Ω
R
L
= 2Ω
39.3
70
Min.
Typ.
40 to 15,000
Max.
Unit
Hz
0.15
0.15
150
80
60
40
1
60
69
65
40.3
5
200
%
%
kΩ
dB
dB
dB
µV
pA
%
%
R
i
G
v
G
v
e
N
i
N
η
Input resistance (pin 1)
Voltage gain (open loop)
Voltage gain (closed loop)
Input noise voltage
Input noise current
Efficiency
SVR
Supply voltage rejection
R
L
= 4Ω
30
36
dB
(0) Filter with noise bandwidth: 22 Hz to 22 kHz
Figure 1. Quiescent output
voltage vs. supply voltage
Figure 2. Quiescent drain
current vs. supply voltage
Figure 3. Output power vs.
supply voltage
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TDA2003
Figure 4. Output power vs.
load resistance R
L
Figure 5. Gain vs. input
sensivity
Figure 6. Gain vs. input
sensivity
F ig ure 7. Di stortion vs.
output power
Fi gure 8. Distor tion vs.
frequency
Figure 9. Supply voltage
rejection vs. voltage gain
Figure 10. Supply voltage
rejection vs. frequency
Figure 11. Power dissipa-
tion and efficiency vs. output
power (R
L
= 4Ω)
Figure 12. Power dissipa-
tion and efficiency vs. output
power (R
L
= 2Ω)
5/10
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