UTC TDA2822 LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R107-006,D
DUAL LOW VOLTAGE POWER
AMPLIFIER
DESCRIPTION
The UTC TDA2822 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- 12V.
*Low crossover distortion.
*Low quiescent circuit current.
*Bridge/stereo configuration.
DIP-8
SOP-8
PIN CONFIGURATIONS
1
2
3
4
8
7
6
5
NF 1
INPUT 1
INPUT 2
NF 2
GND
Vcc
OUTPUT 1
OUTPUT 2
BLOCK DIAGRAM
7
8
6
5
4
3
1
2
OUTPUT1
OUTPUT2
V
CC
INPUT1
NP1
INPUT2
NP2
GND
UTC TDA2822 LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R107-006,D
ABSOLUTE MAXIMUM RATINGS
(Ta=25
C)
PARAMETER SYMBOL
VALUE UNIT
Supply Voltage
V
CC
15
V
Output Peak Current
I
O
(peak) 1 A
Power Dissipation
P
D
DIP at T
amb
=50
C 1.0
SOP at T
amb
=50
C 0.5
W
Operating Temperature
Topr
-20 ~ +70
C
Storage Temperature
Tstg
-40 ~ +150
C
ELECTRICAL CHARACTERISTICS
(Ta=25
C, VCC=6V, f=1kHz, unless otherwise specified)
PARAMETER SYMBOL
TEST
CONDITIONS MIN TYP MAX
UNIT
Operating Supply Voltage
V
CC
1.8
12
V
Quiescent Circuit Current
I
CC
Vi=0
9
mA
Closed Loop Voltage Gain
A
V
Stereo
40
dB
Closed Loop Voltage Gain
A
V
Bridge
40
dB
Channel Balance
CB
Stereo
-1
0
1
dB
Output Power
P
O
Stereo,V
CC
=6V,R
L
=4
,
THD=10%
0.4(DIP)
0.28(SOP)
0.65(DIP)
0.45(SOP)
W
Output Power
P
O
Stereo,V
CC
=3V,RL=4
,
THD=10%
0.11(DIP)
0.07(SOP)
W
Output Power
P
O
Bridge,V
CC
=6V,R
L
=4
,
THD=10%
0.9(DIP)
0.63(SOP)
1.35(DIP)
0.94(SOP)
W
Output Power
P
O
Bridge,V
CC
=6V,R
L
=4
,
THD=10%
0.35(DIP)
0.24(SOP)
W
Total Harmonic Distortion
THD
Stereo,R
L
=8
, Po=0.2W
0.5
%
Total Harmonic Distortion
THD
Bridge,R
L
=8
, Po=0.5W
0.5
%
Ripple Rejection
RR
Stereo,f=100Hz,C3=100
F
24 30 dB
Output Noise Voltage
VNO
Stereo,BW(-3dB)=20Hz
~20kHz
0.5
2.0
mV
Cross Talk
CT
Stereo,f=1kHz
50
dB
Input Resistance
R
i
100
k
TEST CIRCUIT 1:STEREO TEST CIRCUIT 2:BRIDGE
INPUT1
INPUT2
R1
10k
C1
100
F
RL
C6
0.1
F
R3
4.7
R4
4.7
C7
0.1
F
RL
C5
470
F
R2
10k
C2
100
F
C3
100
F
VCC
C4
470
F
1
2
3
4
5
6
7
8
INPUT1
R1
10k
RL
C2
0.1
F
R2
4.7
R3
4.7
C3
0.1
F
C5
100
F
V
CC
C4 0.01
F
C1
10
F
1
2
3
4
5
6
7
8
UTC TDA2822 LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R107-006,D
TYPICAL PERFORMANCE CHARACTERISTICS
40
30
20
10
0
10
100
30
300
1000
3000
FREQUENCY (Hz)
0
4
8
12
16
SUPPLY VOLTAGE (V)
2
4
6
8
Q
U
IESCENT CURRENT (mA)
RIPPLE REJ
E
CTIO
N (dB)
C1=C2
=100
F
C1=C2
=22
F
SCHEMATIC DIAGRAM
3
2
Vcc
OUT 2
4
5
6
INPUT 2
NF 2
GND
Vcc
1
OUT 1
8
7
INPUT 1
NF 1
Vcc
I source
CONTROL
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