NTE1028
Integrated Circuit
Module, Hybrid, Audio Power Amp 20W
Description:
The NTE1028 is a 20 Watt Audio Power Amplifier which requires 2 power supplies.
Absolute Maximum Ratings:
(T
A
= +25°C unless otherwise specified)
Maximum Supply Voltage, V
CCmax
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±32V
Operating Case Temperature, T
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +85°C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−30°
to +100°C
Available Load Shorting Time, t
s
(V
CC
=
±26V,
f = 50Hz, V
O
= 12.7V/R
L
) . . . . . . . . . . . . . . . . . 2Sec
Recommended Operation Conditions:
(T
A
= +25°C unless otherwise specified)
Recommended Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±22V
Load Resistance, R
L
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Ω
Electrical Characteristics:
(T
A
= +25°C, V
CC
=
±22V,
R
L
= 8Ω, VG = 26.4dB, R
g
= 600Ω, f = 1kHz
unless otherwise specified)
Parameter
Output Power
Symbol
P
O
Test Conditions
f = 20Hz to 20kHz, THD = 0.3%
THD = 0.3%
THD = 0.3%, V
CC
=
±26V
Total Harmonic Distortion
THD
f = 20Hz to 20kHz, P
O
= 0.05 to 20W
P
O
= 1W
High Level Cut−Off Frequency
Low Level Cut−Off Frequency
Input Resistance
Output Noise Voltage
Supply Current
f
CH
f
CL
r
i
V
NO
I
CCO
∆V
N
P
O
= 1W,
−1dB
P
O
= 1W,
−1dB
P
O
= 1W
V
CC
=
±
26V, R
g
= 10kΩ
V
CC
=
±
26V
V
CC
=
±26V
Min
20
Typ
Max
Unit
−
23
30
−
−
−
0.3
−
W
−
−
−
−
100
−
−
−
10
−50
−
−
%
kHz
Hz
kΩ
mV
rms
mA
mV
−
0.03
−
−
10
−
0.5
50
+50
−
−
52
0.3
−
−
Pin Connection Diagram
(Front View)
10
N.C.
9
Substrate
8
Input
7
Input
6
N.C.
5
N.C.
4
Current Boost
3
V
CC
2
Output
1
GND
3.071 (78.0)
2.766 (70.0)
.315 (8.0)
1.733
(44.0)
1
.135 (3.42) Dia
(2 Holes)
.157 (4.0)
1.422 (36.0)
10
.492
(12.5)
.028 (0.71)
