NTE944 & NTE944M
Integrated Circuit
Programmable Operational Amplifier
Description:
The NTE944 (8Lead Metal Can) and NTE944M (8Lead MiniDIP) are extremely versatile program-
mable monolithic operational amplifiers. A single external master bias current setting resistor programs
the input bias current, input offset current, quiescent power consumption, slew rate, input noise, and the
gainbandwidth product. These devices are truly general purpose operational amplifiers.
Features:
D
1V to
18V power supply operation
D
3nA input offset current
D
Standby power consumption as low as 500mW
D
No frequency compensation required
D
Programmable electrical characteristics
D
Offset voltage nulling capability
D
Can be powered by two flashlight batteries
D
Short circuit protection
Absolute Maximum Ratings:
Supply Voltage
18V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation (Note 1)
500mW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Differential Input Voltage
30V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input Voltage (Note 2)
15V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I
SET
Current
150
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Short Circuit Duration
Indefinite
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range
0
T
A
+70
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range
65
to +150
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead Temperature (Soldering, 10sec)
+300
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Note 1. The maximum junction temperature of the NTE944 is 100
C. For operating at elevated tem-
peratures, the NTE944 must be derated based on a thermal resistance of 150
C/W junction
to ambient, or 45
C/W junction to case. The thermal resistance of the NTE944M is +125
C/W.
Note 2. For supply voltages less than
15V, the absolute maximum input voltage is equal to the supply
voltage.
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