Contek TDA2003 Datasheet
TDA2003 LINEAR INTEGRATED CIRCUIT
10W CAR RADIO AUDIO AMPLIFIER
DESCRIPTION
TheContek 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
BLOCK DIAGRAM
1
TO-220B
5
4
Contek
CONTEK
12
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com
3
1
TDA2003 LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS(Ta=25 C)
PARAMETER SYMBOL VALUE UNIT
Peak Supply Voltage Vs 40 V
DC Supply Voltage Vs 28 V
Operating Supply Voltage Vs 18 V
Output Peak Current (repetitive) Io 3.5 A
Output Peak Current ( non repetitive) Io 4.5 A
Power Dissipation at Tcase = 90 C Ptot 20 W
Storage Temperature Tstg -40~+150 C
Junction Temperature Tj -40~+150 C
ELECTRICAL CHARACTERISTICS(Refer to the test circuit,Vs=+-16V,Ta=25 C)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
DC CHARACTERISTICS
Supply Voltage Vs 8 18 V
Quiescent Output
Voltage
Quiescent Drain
Current
AC CHARACTERISTICS
Output Power Po RL=2W 910 W
Input Sensitivity Vi Po=6W,RL=4W 55 mV
Input Saturation
Voltage
Frequency
Response(-3dB)
Distortion D Po=0.05 to 4.5W ,RL=4W 0.15 %
Input
Resistance(Pin 1)
Input Noise Current e
Input Noise Voltage I
Open Loop Gvo f=1kHz 80 dB
Voltage Gain f=10kHz 60 dB
Closed Loop Gvc f=1kHz
Voltage Gain RL=4W 39.3 40 40.3 dB
Vo 6.1 6.9 7.7 V
Id 44 50 mA
d=10%,f=1kHz
RL=8W 5.5 6
RL=3.2 W 7.5
RL=1.6W 12
f=1kHz
Po=0.5W,RL=4 W 14 mV
Po=0.5W,RL=2 W 10 mV
Po=10W,RL=2 W 50 mV
Vi(rms) 300 mV
B Po=1W,RL=4W 40 15000 Hz
f=1kHz
Po=0.05 to 7.5W ,RL=2W 0.15
Ri open loop,f=1kHz 70 150 kW
N
N
60 200 pA
15 mV
CONTEK
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com
2
TDA2003 LINEAR INTEGRATED CIRCUIT
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
f=1kHz
Efficiency Po=6W,RL=4 W 69 %
Po=10W,RL=2 W 65 %
Supply Voltage
Rejection
TEST CIRCUIT
SVR f=100Hz,Vripple=0.5V
Rg=10kW,RL=4W 30 36 dB
+Vs
F
m
Vi
C1
1mF
1
100
Contek
TDA2003
2
Rx
39 W
Cx
39nF
Rx=20*R2 Cx=1/(2 p B*R1)
C2
470 m F
DC Test Circuit
5
3
C3
100nF
4
C4
1000mF
R1
220 W
R3
1 W
R2
2.2 W
100nF
AC Test Circuit
RL
+Vs
+Vs
mA
Vi
1
5
Contek
TDA2003
2
3
470 mF
1000 mF
4
V
100nF
R1
220W
R2
2.2
Vi
C1
1 mF
100 mF
1
Contek
TDA2003
2
RL
W
Rx
39W
Cx
39nF
C2
470mF
C3
100nF
5
3
C4
1000mF
4
R1
220
W
R2
2.2W
R3
1W
RL
100nF
CONTEK
Rx=20*R2 Cx=1/(2pB*R1)
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com
3
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