LM101AJAN Operational Amplifiers
January 2006
LM101AJAN
Operational Amplifiers
General Description
The LM101A is a general purpose operational amplifier
which features improved performance over industry stan-
dards such as the LM709. Advanced processing techniques
make possible an order of magnitude reduction in input
currents, and a redesign of the biasing circuitry reduces the
temperature drift of input current. Improved specifications
include:
•
Offset voltage 3 mV maximum over temperature
•
Input current 100 nA maximum over temperature
•
Offset current 20 nA maximum over temperature
•
Guaranteed drift characteristics
•
Offsets guaranteed over entire common mode and sup-
ply voltage ranges
•
Slew rate of 10V/µs as a summing amplifier
This amplifier offers many features which make its appli-
cation nearly foolproof: overload protection on the input
and output, no latch-up when the common mode range is
exceeded, and freedom from oscillations and compensa-
tion with a single 30 pF capacitor. It has advantages over
internally compensated amplifiers in that the frequency
compensation can be tailored to the particular applica-
tion. For example, in low frequency circuits it can be
overcompensated for increased stability margin. Or the
compensation can be optimized to give more than a
factor of ten improvement in high frequency performance
for most applications.
In addition, the device provides better accuracy and
lower noise in high impedance circuitry. The low input
currents also make it particularly well suited for long
interval integrators or timers, sample and hold circuits
and low frequency waveform generators. Further, replac-
ing circuits where matched transistor pairs buffer the
inputs of conventional IC op amps, it can give lower offset
voltage and a drift at a lower cost.
Features
Offset voltage 3 mV maximum over temperature
Input current 100 nA maximum over temperature
Offset current 20 nA maximum over temperature
Guaranteed drift characteristics
Offsets guaranteed over entire common mode and
supply voltage ranges
n
Slew rate of 10 V/µS as a summing amplifier
n
n
n
n
n
Ordering Information
NS Part Number
JL101ABGA
JL101ABPA
JL101ABHA
JL101ABCA
JL101ASGA
JL101ASPA
SMD Part Number
JM38510/10103BGA
JM38510/10103BPA
JM38510/10103BHA
JM38510/10103BCA
JM38510/10103SGA
JM38510/10103SPA
NS Package Number
H08C
J08A
W10A
J14A
H08C
J08A
Package Description
8LD Metal Can
8LD CERDIP
10LD CERPACK
14LD CERDIP
8LD Metal Can
8LD CERDIP
© 2006 National Semiconductor Corporation
DS201296
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