GMA2822M
DUAL LOW-VOLTAGE POWER AMPLIFIER
Revision 1, May 2002 www.gammamicro.com
PRELIMINARY
DIP-8, SOP-8 (TOP VIEW)
PIN CONNECTIONS
1
1
2
3
4
8
7
6
5
V
S
INPUT -(2)
GND
OUTPUT (1)
OUTPUT (2)
INPUT +(2)
INPUT +(1)
INPUT -(1)
Supply voltage down to 1,8 V
Low crossover distortion
Low quiescent current
Bridge or stereo configuration
The GMA2822M is a monolithic integrated circuit
of analog low - voltage power amplifier.
It is intended for use as mono (bridge)/stereo audio
power amplifier in portable cassette players and
radios.
PIN FUNCTIONS DESCRIPTION
N
I
P
O
/I
E
M
A
N
1
T
U
P
T
U
O
)
1
(
T
U
P
T
U
O
2
E
G
A
T
L
O
V
Y
L
P
P
U
S
3
T
U
P
T
U
O
)
2
(
T
U
P
T
U
O
4
D
N
U
O
R
G
5
T
U
P
N
I
)
2
(
-
T
U
P
N
I
6
T
U
P
N
I
)
2
(
+
T
U
P
N
I
7
T
U
P
N
I
)
1
(
-
T
U
P
N
I
8
T
U
P
N
I
)
1
(
+
T
U
P
N
I
R
E
T
E
M
A
R
A
P
L
O
B
M
Y
S
E
U
L
A
V
T
I
N
U
e
g
a
tl
o
V
y
l
p
p
u
S
V
S
5
1
V
t
n
e
r
r
u
C
t
u
p
t
u
O
k
a
e
P
I
O
1
A
T
t
a
n
o
it
a
p
i
s
s
i
D
r
e
w
o
P
l
a
t
o
T
A
C
0
5
=
P
T
O
L
1
W
T
t
a
n
o
it
a
p
i
s
s
i
D
r
e
w
o
P
l
a
t
o
E
S
A
E
C
0
5
=
P
T
O
L
4
.
1
W
e
r
u
t
a
r
e
p
m
e
T
e
g
a
r
o
t
S
T
G
T
S
0
4
-
C
e
r
u
t
a
r
e
p
m
e
T
n
o
it
c
n
u
J
T
J
0
5
1
+
C
ABSOLUTE MAXIMUM RATINGS
GMA2822M
DUAL LOW-VOLTAGE POWER AMPLIFIER
Revision 1, May 2002 www.gammamicro.com
PRELIMINARY
2
S
C
I
T
S
I
R
E
T
C
A
R
A
H
C
L
O
B
M
Y
S
S
N
O
I
T
I
D
N
O
C
T
S
E
T
N
I
M
P
Y
T
X
A
M
T
I
N
U
O
E
R
E
T
S
e
g
a
tl
o
V
y
l
p
p
u
S
V
S
-
8
.
1
5
1
V
e
g
a
tl
o
V
t
u
p
t
u
O
t
n
e
c
s
i
u
Q
V
O
-
V
S
V
3
=
7
.
2
2
.
1
V
t
n
e
r
r
u
C
n
i
a
r
D
t
n
e
c
s
i
u
Q
I
D
-
6
9
A
m
t
n
e
r
r
u
C
s
a
i
B
t
u
p
n
I
I
B
-
0
0
1
A
n
)l
e
n
n
a
h
c
h
c
a
e
(
r
e
w
o
P
t
u
p
t
u
O
%
0
1
=
d
,
z
H
k
1
=
f
P
O
R
L
2
3
=
V
,
S
V
9
=
V
S
V
6
=
V
S
V
5
.
4
=
V
S
V
3
=
V
S
V
2
=
R
L
6
1
=
V
,
S
V
6
=
R
L
8
=
V
,
S
V
9
=
V
S
V
6
=
R
L
4
=
V
,
S
V
6
=
V
S
V
5
.
4
=
V
S
V
3
=
0
9
5
1
0
7
1
0
0
3
0
5
4
0
0
3
0
2
1
0
6
0
2
5
0
2
2
0
0
0
1
0
8
3
0
5
6
0
2
3
0
1
1
W
m
)
z
H
k
1
=
f
(
n
o
it
r
o
t
s
i
D
d
R
L
2
3
=
P
,
O
W
m
0
4
=
R
L
6
1
=
P
,
O
W
m
5
7
=
R
L
8
=
P
,
O
W
m
0
5
1
=
2
.
0
2
.
0
2
.
0
%
n
i
a
G
e
g
a
tl
o
V
p
o
o
L
d
e
s
o
l
C
G
V
z
H
k
1
=
f
6
3
9
3
1
4
B
d
e
c
n
a
l
a
B
l
e
n
n
a
h
C
G
V
-
1
B
d
e
c
n
a
t
s
i
s
e
R
t
u
p
n
I
R
I
z
H
k
1
=
f
0
0
1
k
e
s
i
o
N
t
u
p
n
I
l
a
t
o
T
N
R
S
k
0
1
=
A
e
v
r
u
C
=
B
,
z
H
k
2
2
o
t
z
H
2
2
=
B
2
5
.
2
V
n
o
it
c
e
j
e
R
e
g
a
tl
o
V
y
l
p
p
u
S
R
V
S
0
0
1
=
2
C
=
1
C
,
z
H
0
0
1
=
f
F
4
2
0
3
B
d
n
o
it
a
r
a
p
e
S
l
e
n
n
a
h
C
C
S
z
H
k
1
=
f
0
5
B
d
E
G
D
I
R
B
e
g
a
tl
o
V
y
l
p
p
u
S
V
S
-
8
.
1
5
1
V
t
n
e
r
r
u
C
n
i
a
r
D
t
n
e
c
s
i
u
Q
I
D
R
L
=
6
9
A
m
)
s
t
u
p
t
u
o
e
h
t
n
e
e
w
t
e
b
(
e
g
a
tl
o
V
t
e
s
ff
O
t
u
p
t
u
O
V
S
O
R
L
8
=
0
5
V
m
t
n
e
r
r
u
C
s
a
i
B
t
u
p
n
I
I
B
-
0
0
1
A
n
)l
e
n
n
a
h
c
h
c
a
e
(
r
e
w
o
P
t
u
p
t
u
O
%
0
1
=
d
,
z
H
k
1
=
f
P
O
R
L
2
3
=
V
,
S
V
9
=
V
S
V
6
=
V
S
V
5
.
4
=
V
S
V
3
=
V
S
V
2
=
R
L
6
1
=
V
,
S
V
9
=
V
S
V
6
=
V
S
V
3
=
R
L
8
=
V
,
S
V
6
=
V
S
V
5
.
4
=
V
S
V
3
=
R
L
4
=
V
,
S
V
5
.
4
=
V
S
V
3
=
V
S
V
2
=
0
2
3
0
5
0
0
9
0
0
2
0
0
0
1
0
0
4
0
0
2
5
6
8
0
0
0
2
0
0
8
0
2
1
0
5
3
1
0
0
7
0
2
2
0
0
0
1
0
5
3
0
8
W
m
n
o
it
r
o
t
s
i
D
d
R
L
2
3
=
P
,
O
z
H
k
1
=
f
,
W
5
.
0
=
2
.
0
%
n
i
a
G
e
g
a
tl
o
V
p
o
o
L
d
e
s
o
l
C
G
V
z
H
k
1
=
f
9
3
B
d
e
c
n
a
t
s
i
s
e
R
t
u
p
n
I
R
I
z
H
k
1
=
f
0
0
1
k
e
s
i
o
N
t
u
p
n
I
l
a
t
o
T
N
R
S
k
0
1
=
A
e
v
r
u
C
=
B
,
z
H
k
2
2
o
t
z
H
2
2
=
B
5
.
2
3
V
n
o
it
c
e
j
e
R
e
g
a
tl
o
V
y
l
p
p
u
S
R
V
S
z
H
0
0
1
=
f
0
4
B
d
)
B
d
3
-
(
h
ti
w
d
n
a
B
r
e
w
o
P
B
R
L
8
=
P
,
O
W
1
=
0
2
1
z
H
k
ELECTRICAL CHARACTERISTICS
(V
S
=6V, T
A
=25C, unless otherwise specified )
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