NTE724
Integrated Circuit
Differential/Cascode Amplifier
Description:
The NTE724 is a differential/cascode amplifier in an 8Lead TO5 type metal can package designed
for use in communications and industrial equipment operating at frequencies from dc to 120MHz.
Features:
D
Controlled for Input Offset Voltage, Input Offset Current, and Input Bias Current
D
Balanced Differential Amplifier Configuration with Controlled ConstantCurrent Source
D
Single and DualEnded Operation
Applications:
D
RF and IF Amplifiers (Differential or Cascode)
D
DC, Audio, and Sense Amplifiers
D
Converter in the Commercial FM Band
D
Oscillator
D
Mixer
D
Limiter
Absolute Maximum Ratings: (T
A
= +25
C unless otherwise specified)
Power Dissipation (T
A
+85
C), P
D
450mW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Derate Linearly Above 85
C
5mW/
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Ambient Temperature Range, T
opr
55
to +125
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
65
to +150
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead Temperature (During Soldering, 1/16" from case, 10sec max), T
L
+265
C
. . . . . . . . . . . . . . . . .
Electrical Characteristics: (T
A
= +25
C, V
CC
= +12V, V
EE
= 12V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Input Bias Current
I
II
V
CC
= +6V, V
EE
= 6V
16.6
70.0
A
36
106
A
Quiescent Operating Current
I
6
or I
8
V
CC
= +6V, V
EE
= 6V
0.8
1.25
2.0
mA
2.0
3.3
5.0
mA
AGC Bias Current (Into Constant
I
7
V
CC
= 12V, V
AGC
= 9V
1.28
mA
Current Source Pin7)
V
CC
= 12V, V
AGC
= 12V
1.65
mA
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