UNISONIC TECHNOLOGIES CO., LTD
TDA2003
10W CAR RADIO AUDIO AMPLIFIER
DESCRIPTION
LINEAR INTEGRATED CIRCUIT
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.
ORDERING INFORMATION
Ordering Number
Lead Free
TDA2003L-TA5-T
TDA2003L-TB5-T
TDA2003L-TB51-T
TDA2003L-TQ5-T
TDA2003G-TA5-T
(1) Packing Type
(2) Package Type
(3) Green Package
Halogen Free
TDA2003G-TA5-T
TDA2003G-TB5-T
TDA2003G-TB51-T
TDA2003G-TQ5-T
Package
TO-220-5
TO-220B
TO-220B1
TO-263-5
Packing
Tube
Tube
Tube
Tube
(1) T: Tube
(2) TA5: TO-220-5, TB5: TO-220B, TB51: TO-220B1
TQ5: TO-263-5
(3) G: Halogen Free and Lead Free, L: Lead Free
MARKING
www.unisonic.com.tw
Copyright © 2018 Unisonic Technologies Co., Ltd
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UNISONIC TECHNOLOGIES CO., LTD
TDA2003
PIN DESCRIPTION
PIN NO.
1
2
3
4
5
PIN NAME
Non inverting input
Inverting input
Ground
Output
Supply Voltage
LINEAR INTEGRATED CIRCUIT
BLOCK DIAGRAM
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 10
QW-R107-002.J
TDA2003
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
(T
A
=25C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Peak Supply Voltage
V
SS
40
V
DC Supply Voltage
V
SS
28
V
Operating Supply Voltage
V
SS
18
V
Repetitive
3.5
A
Output Peak Current
I
O(PEAK)
Non Repetitive
4.5
A
Power Dissipation at T
C
= 90C
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
TYP
MAX UNIT
18
7.7
50
V
V
mA
(T
A
=25C, Refer to the test circuit, V
S
=16V, unless otherwise specified.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
DC CHARACTERISTICS
Supply Voltage
V
SS
8
Quiescent Output Voltage
V
OUT
6.1
Quiescent Drain Current
I
D
AC CHARACTERISTICS
R
L
=4Ω
5.5
THD=10%,
R
L
=2Ω
9
Output Power
P
OUT
f=1kHz
R
L
=3.2Ω
R
L
=1.6Ω
P
OUT
=0.5W, R
L
=4Ω
P
OUT
=6W, R
L
=4Ω
Input Sensitivity
V
I
f=1kHz
P
OUT
=0.5W, R
L
=2Ω
P
OUT
=10W, R
L
=2Ω
Input Saturation Voltage
V
I(RMS)
300
Frequency Response(-3dB)
F
P
OUT
=1W, R
L
=4Ω
40
P
OUT
=0.05 ~ 4.5W, R
L
=4Ω
Total Harmonic Distortion
THD
f=1kHz
P
OUT
=0.05 ~ 7.5W, R
L
=2Ω
Input Resistance(Pin 1)
R
I
Open Loop, f=1kHz
70
Input Noise Current
iN
Input Noise Voltage
eN
f=1kHz
Open Loop Voltage Gain
Gvo
f=10kHz
Closed Loop Voltage Gain
Gvc
f=1kHz, R
L
=4Ω
39.3
P
OUT
=6W, R
L
=4Ω
Efficiency, f=1kHz
η
P
OUT
=10W, R
L
=2Ω
f=100Hz, V
RUPPLE
=0.5V
30
Supply Voltage Rejection
SVR
R
G
=10kΩ, R
L
=4Ω
6.9
44
6
10
7.5
12
14
55
10
50
W
mV
mV
Hz
%
200
5
kΩ
pA
μV
dB
dB
dB
%
dB
15000
0.15
0.15
150
60
1
80
60
40
69
65
36
40.3
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R107-002.J
TDA2003
TEST CIRCUIT
AC Test Circuit
LINEAR INTEGRATED CIRCUIT
DC Test Circuit
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
100nF
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QW-R107-002.J
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.J
微控制器 MCU
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