UNISONIC TECHNOLOGIES CO., LTD
TDA2003
10W CAR RADIO AUDIO AMPLIFIER
DESCRIPTION
The UTC TDA2003 is a monolithic audio power amplifier
integrated circuit.
1
TO-220B
LINEAR 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.
1
TO-220-5
ORDERING INFORMATION
Normal
TDA2003-TA5-T
TDA2003-TB5-T
Ordering Number
Lead Free
TDA2003L-TA5-T
TDA2003L-TB5-T
Halogen Free
TDA2003G-TA5-T
TDA2003G-TB5-T
Package
TO-220-5
TO-220B
Packing
Tube
Tube
PIN DESCRIPTION
PIN NO.
1
2
3
4
5
PIN NAME
Non inverting input
Inverting input
Ground
Output
Supply Voltage
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Copyright © 2011 Unisonic Technologies Co., Ltd
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QW-R107-002,F
TDA2003
BLOCK DIAGRAM
LINEAR INTEGRATED CIRCUIT
5
4
3
1 2
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 10
QW-R107-002,F
TDA2003
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
(Ta=25℃, unless otherwise specified.)
PARAMETER
SYMBOL
RATINGS
UNIT
Peak Supply Voltage
Vss
40
V
DC Supply Voltage
Vss
28
V
Operating Supply Voltage
Vss
18
V
Repetitive
3.5
A
Output Peak Current
I
O(PEAK)
Non Repetitive
4.5
A
Power Dissipation at Tc = 90°C
P
D
20
W
Storage and Junction Temperature
T
STG
-40 ~ +150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
ELECTRICAL CHARACTERISTICS
(Ta=25°C, Refer to the test circuit, Vs=±16V, unless otherwise specified.)
PARAMETER
DC CHARACTERISTICS
Supply Voltage
Quiescent Output Voltage
Quiescent Drain Current
AC CHARACTERISTICS
Output Power
SYMBOL
Vss
V
OUT
I
D
R
L
=4Ω
R
L
=2Ω
R
L
=3.2Ω
R
L
=1.6Ω
P
OUT
=0.5W, R
L
=4Ω
P
OUT
=6W, R
L
=4Ω
P
OUT
=0.5W, R
L
=2Ω
P
OUT
=10W, R
L
=2Ω
TEST CONDITIONS
MIN
8
6.1
TYP
MAX UNIT
18
7.7
50
V
V
mA
6.9
44
6
10
7.5
12
14
55
10
50
P
OUT
THD=10%,
f=1kHz
5.5
9
W
Input Sensitivity
Input Saturation Voltage
Frequency Response(-3dB)
Total Harmonic Distortion
Input Resistance(Pin 1)
Input Noise Current
Input Noise Voltage
Open Loop Voltage Gain
Closed Loop Voltage Gain
Efficiency, f=1kHz
Supply Voltage Rejection
V
I
V
I(RMS)
F
THD
R
I
iN
eN
Gvo
Gvc
η
SVR
f=1kHz
mV
mV
Hz
%
200
5
kΩ
pA
μV
dB
dB
dB
%
dB
P
OUT
=1W, R
L
=4Ω
P
OUT
=0.05 ~ 4.5W, R
L
=4Ω
f=1kHz
P
OUT
=0.05 ~ 7.5W, R
L
=2Ω
open loop, f=1kHz
300
40
0.15
0.15
150
60
1
80
60
40
69
65
36
15000
70
f=1kHz
f=10kHz
f=1kHz, R
L
=4Ω
P
OUT
=6W, R
L
=4Ω
P
OUT
=10W, R
L
=2Ω
f=100Hz, V
RUPPLE
=0.5V
R
G
=10kΩ, R
L
=4Ω
39.3
40.3
30
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 10
QW-R107-002,F
TDA2003
TEST CIRCUIT
AC Test Circuit
LINEAR INTEGRATED CIRCUIT
DC Test Circuit
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
100nF
4 of 10
QW-R107-002,F
TDA2003
TYPICAL APPLICATION CIRCUIT
20W Bridge Configuration Application
LINEAR INTEGRATED CIRCUIT
The Values of the capacitors C3 and C4 are different to optimize the SVR (Typ. 40dB)
TYPICAL APPLICATION CIRCUIT
Low Cost Bridge Configuration Application Circuit(P
OUT
=18W)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R107-002,F
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