UTC TDA2822H LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R107-016,B
DUAL LOW VOLTAGE POWER
AMPLIFIER
DESCRIPTION
The UTC TDA2822H is a monolithic integrated audio
amplifier in a 8-Pin plastic dual in line package. It is designed
for portable cassette players and radios.
FEATURES
*Wide operating supply voltage:Vcc=1.8V~ 6V.
*Low crossover distortion.
*Low quiescent circuit current.
*Bridge/stereo configuration.
DIP-8
SOP-8
PIN CONFIGURATIONS
BLOCK DIAGRAM
1
2
3
4
8
7
6
5
INPUT 1(-)
INPUT 1 (+)
INPUT 2(+)
INPUT 2(-)
GND
Vcc
OUTPUT 1
OUTPUT 2
UTC TDA2822H LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R107-016,B
ABSOLUTE MAXIMUM RATINGS
(Ta=25
C)
PARAMETER SYMBOL
VALUE UNIT
Supply Voltage
V
CC
15
V
Output Peak Current
I
O
(peak) 1 A
1.0 (T
AMB
=50
C)
1.4 (T
CASE
=50
C)
Power Dissipation DIP-8
SOP-8
P
D
0.5 (T
AMB
=50
C)
W
Operating Temperature
T
J
+150
C
Storage Temperature
Tstg
-40 ~ +150
C
ELECTRICAL CHARACTERISTICS
(Ta=25
C, V
CC
=4.5V, BTL parameter, unless otherwise specified)
PARAMETER SYMBOL TEST
CONDITIONS MIN
TYP
MAX
UNIT
Operating Supply Voltage
V
CC
1.8
6
V
Quiescent Circuit Current
I
CCQ
R
L
=
6 9
mA
Output Offset Voltage
Vos
R
L
=8
50
mV
Input Base Current
I
B
100
nA
V
CC
=6V 300
320
V
CC
=4.5V 200
V
CC
=3V 50
65
R
L
=32
V
CC
=2V 8
V
CC
=6V
600
R
L
=16
V
CC
=3V
120
V
CC
=4.5V 700
R
L
=8
V
CC
=3V
220
Output Power
P
O
f=1kHz,
THD=10%
R
L
=4
V
CC
=3V 200
350
mW
Total Harmonic Distortion
THD
Po=0.5W, R
L
=8
, Po=1kHz
0.2 %
Closed Loop Voltage Gain
A
VF
f=1kHz
39
dB
Input Resistance
Zin
f=1kHz
100
k
Total Input Noise
e
N
Rs=10k
B=22Hz~22KHz 3
V
Supply Voltage Rejection
SVR
f=100Hz
40
dB
Power Bandwidth
BWp
R
L
=8
, Po=1W
120 kHz
APPLICATION CIRCUIT
Fig. 1: STEREO
INPUT1
INPUT2
10k
100
F
0.1
F
4.7
4.7
0.1
F
470
F
10k
100
F
470
F
V
CC
470
F
0.01
F
+
+
4
5
6
8
7
2
1
3
+
SPEAKER
SPEAKER
+
UTC TDA2822H LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R107-016,B
Fig. 2: BRIDGE
INPUT1
10k
0.01
F
0.1
F
4.7
4.7
0.1
F
470
F
V
CC
0.01
F
+
4
5
6
8
7
2
1
3
SPEAKER
10
F
+
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
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