
NTE1820
Integrated Circuit
Module, Dual AF PO, 30W/Ch,
Dual Power Supply
Features:
Contains Emitter Follower Circuit for Upgrading
Case Temperature +125
°
C is Guaranteed, Thereby Enabling Great Reduction of Heat Sink
By Attaching Muting Circuit Externally, Pop Noise at Power ON/OFF can be Rejected
Absolute Maximum Ratings:
(T
A
= +25
°
C unless otherwise specified)
Maximum Supply Voltage, V
CC
max
Thermal Resistance, Junction–to–Case, R
thJC
Maximum Junction Temperature, T
J
Operating Case Temperature, T
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Available Time for Load Shorted (V
CC
=
±
27.5V, R
L
= 8
, P
O
= 30W, f = 50Hz), t
s
±
43V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2
°
C/W
+150
°
C
+125
°
C
–30
°
to +125
°
C
. . . . . . . . .
2sec
Recommended Operating Conditions:
(T
A
= +25
°
C unless othrwise specified
)
Recommended Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Load Resistance, R
L
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
27.5V
8
Operating Characteristics:
(T
A
= +25
°
C, V
CC
=
±
27.5V, R
L
= 8
, R
g
= 600
, VG = 40dB unless
otherwise specified)
Symbo
l
Test Conditions
V
CC
=
±
34V
Output Power
P
O(1)
THD = 0.02%, f = 20Hz to 20kHz
P
O(2)
V
CC
=
±
23V, THD = 0.08%, R
L
= 4
, f = 1kHz
Total Harmonic Distortion
THD
P
O
= 1W, f = 20Hz to 20kHz
Frequency Response
f
L
, f
H
P
O
= 1W
Input Resistance
r
i
P
O
= 1W
Output Noise Voltage
V
NO
V
CC
=
±
34V
Midpoint Voltage
V
N
V
CC
=
±
34V
Parameter
Min
Typ
Max
Unit
Quiescent Current
I
CCO
35
70
120
mA
30
–
–
W
30
–
–
W
–
–
0.02
%
10 to 100k
–
Hz
–
90k
–
–
–
1.2
mV
rms
mV
–70
–
+70