NTE1081A
Integrated Circuit
Audio Power Amplifier, 4.8W
Absolute Maximum Ratings:
(T
A
= +25°C unless otherwise specified)
Supply Voltage, V
CC
Zero Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V
Operating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17V
Collector Current, I
CC(Peak)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5A
Power Dissipation (with external heat sink), P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7W
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−20°
to +75°C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−40°
to +150°C
Electrical Characteristics:
(T
A
= +25°C, V
CC
= 13.2V, f = 1kHz, R
L
= 4Ω, unless otherwise specified)
Parameter
Standby Current
Output Power
Total Harmonic Distortion
Closed−Loop Voltage Gain
Output Noise Level
Pin Connection Diagram
.985 (25.0)
.532 (13.5)
Symbol
I
CC
P
O
THD
G
V
V
NO
Test Conditions
Zero Input
THD = 10%
P
O
= 0.5W
R
g
=
∞
Min
15
4.0
−
49.0
−
Typ
28
4.8
0.6
51.5
1.4
Max
45
−
1.2
52.0
4.0
Unit
mA
W
%
dB
mV
10
Output
9
8
7
6
5
4
3
2
1
N.C.
GND
Feedback
Input
Phase Compensation
Phase Compensation
Bootstrap
Phase Compensation
V
CC
1
.158 (4.0)
.160 (4.0) Dia
(3 Holes)
.886
(22.5)
.729
(18.5)
10
.413
(10.5)
.394
(10.0)
.100 (2.54)
.900 (22.8)
1.040 (26.4)
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