UTC TDA2003 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.
1
TO-220B
PIN CONFIGURATIONS
1 Non inverting input
2 Inverting input
3 Ground
4 Output
5 Supply Voltage
BLOCK DIAGRAM
5
4
3
1 2
UTC UNISONIC TECHNOLOGIES CO., LTD. 1
QW-R107-002,A
UTC 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=2Ω 9 10 W
Input Sensitivity Vi Po=6W,RL=4Ω 55 mV
Input Saturation
Voltage
Frequency
Response(-3dB)
Distortion D Po=0.05 to 4.5W ,RL=4Ω 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=4Ω 39.3 40 40.3 dB
Vo 6.1 6.9 7.7 V
Id 44 50 mA
d=10%,f=1kHz
RL=8Ω 5.5 6
RL=3.2Ω 7.5
RL=1.6Ω 12
f=1kHz
Po=0.5W,RL=4Ω 14 mV
Po=0.5W,RL=2Ω 10 mV
Po=10W,RL=2Ω 50 mV
Vi(rms) 300 mV
B Po=1W,RL=4Ω 40 15000 Hz
f=1kHz
Po=0.05 to 7.5W ,RL=2Ω 0.15
Ri open loop,f=1kHz 70 150 kΩ
N
N
60 200 pA
1 5 µV
UTC UNISONIC TECHNOLOGIES CO., LTD. 2
QW-R107-002,A
UTC TDA2003 LINEAR INTEGRATED CIRCUIT
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
f=1kHz
Efficiency
Supply Voltage
Rejection
TEST CIRCUIT
¦Ç
Po=6W,RL=4Ω 69 %
Po=10W,RL=2Ω 65 %
SVR f=100Hz,Vripple=0.5V
Rg=10kΩ,RL=4Ω 30 36 dB
+Vs
F
µ
Vi
C1
1 µF
1
100
UTC
TDA2003
2
Rx
39
Ω
Cx
39nF
Rx=20*R2 Cx=1/(2 πB*R1)
C2
470 µF
DC Test Circuit
5
3
C3
100nF
4
C4
1000 µF
R1
220
Ω
R3
1
Ω
R2
2.2
Ω
100nF
AC Test Circuit
RL
+Vs
+Vs
mA
Vi
1
5
UTC
TDA2003
2
3
470 µF
1000 µF
4
V
100nF
220
2.2
Vi
C1
1 µF
R1
Ω
RL
R2
Ω
39
39nF
1
2
Rx
Ω
Cx
F
µ
100
UTC
TDA2003
C2
470 µF
C3
100nF
5
3
C4
1000µF
4
R1
220
Ω
2.2
R3
1
Ω
R2
Ω
RL
100nF
Rx=20*R2 Cx=1/(2πB*R1)
UTC UNISONIC TECHNOLOGIES CO., LTD. 3
QW-R107-002,A
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