UNISONIC TECHNOLOGIES CO., LTD
TDA22003
10 +10W STEREO AMPLIFIER
DESCRIPTION
LINEAR INTEGRATED CIRCUIT
The UTC
TDA22003
is a class AB stereo audio power amplifier
that contains two identical amplifiers capable of delivering 10W per
channel. It is designed for quality Hi-Fi stereo applications and is
easily constructed and with minimum need of external components.
FEATURES
* Supply range 8V ~ 28V
* High power outputs (10W/Channel)
* High output current up to 3.5A
* Short circuit protection
* Thermal protection
ORDERING INFORMATION
Ordering Number
Lead Free
TDA22003L-TB9-T
Halogen Free
TDA22003G-TB9-T
Package
TO-220Z9
Packing
Tube
MARKING
www.unisonic.com.tw
Copyright © 2014 Unisonic Technologies Co., Ltd
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QW-R107-062.C
TDA22003
PIN CONFIGURATION
LINEAR INTEGRATED CIRCUIT
PIN DESCRIPTION
PIN NO.
1
2
3
4
5
6
7
8
9
PIN NAME
NON INV.INPUT1
INV.INPUT1
SVRR
INV.INPUT2
GND
NON INV.INPUT2
OUTPUT2
+V
CC
OUTPUT1
DESCRIPTION
Non-inverting input1
Inverting input1
Internal 1/2 V
CC
supply rejection
Inverting input2
Ground
Non-inverting input2
Output2
Supply voltage
Output1
BLOCK DIAGRAM
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www.unisonic.com.tw
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TDA22003
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
V
CC
LINEAR INTEGRATED CIRCUIT
RATINGS
UNIT
Supply Voltage
28
V
repetitive, f
≥20Hz
3.5
A
Peak Output Current
I
O(PEAK)
non repetitive, tp=100μs
4.5
A
Power Dissipation (T
C
= 90°C)
P
D
20
W
Junction Temperature
T
J
+150
°C
Storage 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.
THERMAL DATA
PARAMETER
SYMBOL
θ
JC
RATING
3
UNIT
°C/W
Junction to Case
ELECTRICAL CHARACTERISTICS
MIN
8
300
TYP MAX UNIT
28
V
11.5
V
mV
2.5
8
μV
60
120 mA
12.5
W
7
W
W
W
7
W
4
W
0.2
%
0.1
%
0.2
%
0.1
%
200
kΩ
20
Hz
80
kHz
36 36.5 dB
0.5
dB
60
dB
50
55
145
dB
°C
(Refer to test circuit, T
A
= 25°C, V
CC
= 24V, G
V
= 36dB, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
Supply Voltage
V
CC
Quiescent Output Voltage
V
OUT
V
CC
= 24V
Input Saturation Voltage (rms)
V
IN(SAT)
Total Input Noise Voltage
e
N
R
g
= 10KΩ, 22Hz~22KHz
Total Quiescent Drain Current
I
Q
V
CC
= 24V
R
L
=4Ω
THD=1%,V
CC
=24V, f=1kHz
R
L
=8Ω
R
L
=4Ω
Output Power for each
P
OUT
f = 40Hz ~12.5kHz
channel
R
L
=8Ω
R
L
=4Ω
V
CC
= 18V, f = 1kHz
R
L
=8Ω
P
OUT
= 0.1~7.0W
R
L
=4Ω
V
CC
=24V, f = 1kHz
P
OUT
= 0.1~3.5W
Total Harmonic Distortion R
L
=8Ω
THD
for each channel
P
OUT
= 0.1~5.0W
R
L
=4Ω
V
CC
=18V
R
L
=8Ω
P
OUT
= 0.1~2.5W
Input Resistance
R
IN
f = 1kHz, Non-Inverting Input
Low
f
L
R
L
=4Ω
Frequency Roll off (-3dB)
High
f
H
R
L
=4Ω
Closed Loop Voltage Gain
Gv
f = 1kHz
Closed Loop Gain Matching
∆Gv
f = 1kHz
Cross Talk
CT
R
L
=
∞,
Rg = 10KΩ
f = 10kHz
Supply Voltage Rejection for each
SVR
f
RIPPLE
=100Hz, V
RIPPLE
=0.5V, R
g
=10kΩ
channel
Thermal Shut-Down Junction Temp.
10
5
70
35.5
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 6
QW-R107-062.C
TDA22003
TEST AND APPLICATION CIRCUIT
(G
V
= 36dB)
0.1μF
+V
CC
LINEAR INTEGRATED CIRCUIT
R
L
100μF
2200μF
7
8
3
+
-
1.3KΩ
4
18Ω
220μF
22μF
6
2.2μF
IN(L)
1Ω
0.1μF
R
R
2200μF
9
1Ω
0.1μF
1.3KΩ
2
18Ω
220μF
5
+ 1
-
2.2μF
IN(R)
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TYPICAL CHARACTERISTICS
Quiescent Current vs. Supply Voltage
70
Quiescent Current, I
D
(mA)
60
50
40
30
20
10
6
R
L
=4Ω
Output Power, P
OUT
(W)
20
18
16
14
12
10
8
6
4
2
10
18
26
14
22
Supply Voltage, V
S
(V)
30
LINEAR INTEGRATED CIRCUIT
Output Power vs. Supply Voltage
Vs=24V, Gv=36dB,
f=1kHz, THD=1%
R
L
=4Ω
R
L
=8Ω
0
10 12 14 16 18 20 22 24 26 28
Supply Voltage, V
S
(V)
Total Power Dissipation and Efficiency
versus Output Power
Output Power vs. Supply Voltage
20
18
Output Power, P
OUT
(W)
16
14
12
10
8
6
4
2
R
L
=8Ω
R
L
=4Ω
Vs=24V, Gv=36dB,
f=1kHz, THD=10%
Power Dissipation, P
D
(W)
22
20
18
16
14
12
10
8
6
4
2
80
60
40
V
S
=24V
f=1kH
Z
R
L
=4Ω
0
4
8 12 16 20 24 28
Output Power, P
OUT
(W)
Distortion vs. Output Power
20
Efficiency,
η(%)
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QW-R107-062.C
P
D
η
0
10 12 14 16 18 20 22 24 26 28
Supply Voltage, V
S
(V)
Total Power Dissipation and
Efficiency versus Output Power
P
D
32
11
10
Power Dissipation, P
D
(W)
9
8
7
6
5
4
3
2
1
0
0
6
5
Efficiency,
η(%)
80
60
40
Distortion (%)
4
3
V
S
=24V
f=1kH
Z
η
R
L
=8Ω
2
1
0
R
L
=4Ω
V
S
=24V
f=1kH
Z
R
L
=8Ω
2
4
6
Output Power, P
OUT
(W)
20
8 10 12 14 16 18 20
0
2
4 6 8 10 12 14 16 18 20
Output Power, P
OUT
(W)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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