an5270 Panasonic Corporation of North America, an5270 Datasheet - Page 4

• Manufacturer Part Number: an5270
• Description: 4.3 W X 1 8ohm Power Amplifier With Volume Control And Tone Control
• Manufacturer: Panasonic Corporation of North America

AN5270
4
Characteristic curve chart
Structure of pre-amp. stage
Technical Information
Explanation of gain notations :
G
G
G
G
G
G
G
T
F
B
L1
L2
P
pre
: Gain of tone-amp. (treble-amp.)
: Gain of flat-response amp.
: Gain of bass-amp.
: Gain at point 1 with respect to V
: Gain at point 2 with respect to V
: Gain of power stage.
: Gain of pre-amp. stage.
10.4
4.14
3.36
2.5
10
11
9
8
7
6
5
4
3
2
1
0
0
1 No heat sink
2 5.5
3 7.5
4 Infinity heat sink
33 pF
4
3
2
1
Ci
(t
(t
Ambient temperature
20
1 mm)
1 mm)
2.15
40
5.0 cm
7.5 cm
G
G
P
60
D
T
2.63
1.6
6.65
80 100 120 140
2
2
47 k
2.8 k
Al board
Al board
Tone-control
P
T
max
Fig. Simplified structure of AN5270 pre-amp. stage
a
T
T
jmax
a
R
( C)
V
th
IN
C2
T
a
160
Pre-amp. stage
2.8 k
IN
IN
Point1
.
.
G
L1
G
Point2
F
R1
G
L2
1 k
5.6 k
G
B
Volume-control
C1
0.05
0.02
0.01
1.7
0.5
0.1
2
1
1
ICs for Audio Common Use
Area of safe operation
5
V
CE
10
70 C
(V)
(25 dB)
10 ms single pulse,
free air
Power
stage
G
P
26
25 C
50
Output
8
100