LM101AQML
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/s 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
n
Available with radiation guarantee
n
Offset voltage 3 mV maximum over temperature
n
Input current 100 nA maximum over temperature
n
Offset current 20 nA maximum over temperature
n
Guaranteed drift characteristics
n
Offsets guaranteed over entire common mode and
supply voltage ranges
n
Slew rate of 10 V/S as a summing amplifier
Ordering Information
NS Part Number
SMD Part Number
NS Package Number
Package Description
LM101AH/883
H08C
8LD Metal Can
LM101AJ/883
J08A
8LD CERDIP
LM101AW/883
W10A
10LD CERPACK
LM101AH-QMLV
5962–9951501VGA
H08C
8LD Metal Can
LM101AHLQMLV
5962L9951501VGA
50k rd(Si)
H08C
8LD Metal Can
LM101AHRQMLV
5962R9951501VGA
100k rd(Si)
H08C
8LD Metal Can
LM101AJLQMLV
5962L9951501VPA
50k rd(Si)
J08A
8LD CERDIP
LM101AJ-QMLV
5962–9951501VPA
J08A
8LD CERDIP
LM101AW-QMLV
5962–9951501VHA
W10A
10LD CERPACK
LM101AWLQMLV
5962L9951501VHA
50k rd(Si)
W10A
10LD CERPACK
January 2006
LM101AQML
Operational
Amplifiers
2006 National Semiconductor Corporation
DS201223
www.national.com