NTE724
Integrated Circuit
Differential/Cascode Amplifier
Description:
The NTE724 is a differential/cascode amplifier in an 8–Lead 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 Constant–Current Source
D
Single and Dual–Ended 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
Input Bias Current
Symbol
I
II
I
6
or I
8
I
7
Test Conditions
V
CC
= +6V, V
EE
= –6V
V
CC
= +6V, V
EE
= –6V
V
CC
= 12V, V
AGC
= 9V
V
CC
= 12V, V
AGC
= 12V
Min
–
–
Quiescent Operating Current
0.8
2.0
AGC Bias Current (Into Constant
Current Source Pin7)
–
–
Typ
Max Unit
µA
µA
mA
mA
mA
mA
16.6 70.0
36
1.25
3.3
1.28
1.65
106
2.0
5.0
–
–
NTE [ NTE ELECTRONICS ]
