NTE1871
Integrated Circuit
Module 鈥?Dual AF Power Amplifier, 50W/Ch,
Dual Power Supplies
Features:
D
Built鈥揑n Muting Circuit to Cut鈥揙ff Pop Noise
Absolute Maximum Ratings:
(T
A
= +25擄C unless otherwise specified)
Maximum Supply Voltage, V
CC
max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
鹵52.5V
Junction Temperature, T
J
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150擄C
Operating Case Temperature, T
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +125擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +125擄C
Thermal Resistance, Junction鈥搕o鈥揅ase, R
thJC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.8擄C/W
Availabe Time for Lead Shorted (V
CC
=
鹵35V,
R
L
= 8鈩? f = 50MHz, P
O
= 50W), t
s
. . . . . . . . . . 2sec
Recommended Operating Conditions:
(T
A
= +25擄C unless otherwise specified)
Recommended Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
鹵35V
Load Resistance, R
L
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8鈩?/div>
Electrical Characteristics:
(T
A
= +25擄C, V
CC
=
鹵35V,
R
L
= 8鈩? R
g
= 600鈩? VG = 40dB,
R
L
: Non鈥揑nductive Load unless otherwise specified)
Parameter
Quiescent Current
Output Power
Symbol
I
CCO
P
O
(1)
P
O
(2)
Total Harmonic Distortion
Frequency Characteristic
Input Resistance
Output Noise Voltage
Middle Point Voltage
Muting Voltage
THD
f
L
, f
H
r
i
V
NO
V
N
V
M
Test Conditions
V
CC
=
鹵42V
THD = 0.4%, f = 20Hz to 20kHz
V
CC
=
鹵31V,
THD = 1.0%,
R
L
= 4鈩? f = 1kHz
P
O
= 1W, f = 1kHz
P
O
= 1W, +0 , 鈥?dB
P
O
= 1W, f = 1kHz
V
CC
=
鹵42V,
R
g
= 10k鈩?/div>
V
CC
=
鹵42V
鈥?/div>
鈥?/div>
鈥?0
鈥?
Min
20
50
55
鈥?/div>
Typ
40
鈥?/div>
鈥?/div>
鈥?/div>
20 to 50k
55
鈥?/div>
0
鈥?
鈥?/div>
1.2
+70
鈥?0
Max
100
鈥?/div>
鈥?/div>
0.3
Unit
mA
W
W
%
Hz
k鈩?/div>
mV
rms
mV
V
Note 1. For power supply at the time of test, use a constant鈥搗oltage power supply unless otherwise
specified.
Note 2. The output noise voltage is represented by the peak value on RMS scale (VTVM) of average
value indicating type. For AC power supply, use an AC stabilized power supply (50Hz) to
eliminate the effect of flicker noise in AC primary line.
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