LM201.PDF

December 1994

LM101A/LM201A/LM301A Operational Amplifiers

General Description

The LM101A series are general purpose operational amplifi-

ers which feature improved performance over industry stan-

dards like the LM709. Advanced processing techniques

make possible an order of magnitude reduction in input cur-

rents, and a redesign of the biasing circuitry reduces the

temperature drift of input current. Improved specifications

include:

Y Offset voltage 3 mV maximum over

temperature (LM101A/LM201A)

Y Input current 100 nA maximum over

temperature (LM101A/LM201A)

Y Offset current 20 nA maximum over

temperature (LM101A/LM201A)

Y Guaranteed drift characteristics

Y Offsets guaranteed over entire common mode and sup-

ply voltage ranges

Y Slew rate of 10V/ m s as a summing amplifier

This amplifier offers many features which make its applica-

tion nearly foolproof: overload protection on the input and

output, no latch-up when the common mode range is ex-

ceeded, and freedom from oscillations and compensation

with a single 30 pF capacitor. It has advantages over inter-

nally compensated amplifiers in that the frequency compen-

sation can be tailored to the particular application. For ex-

ample, 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 integra-

tors or timers, sample and hold circuits and low frequency

waveform generators. Further, replacing 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.

The LM101A is guaranteed over a temperature range of

b 55 § Cto a 125 § C, the LM201A from b 25 § Cto a 85 § C,

and the LM301A from 0 § Cto a 70 § C.

Connection Diagrams (Top View)

Metal Can Package

Dual-In-Line Package

TL/H/7752±4

Order Number LM101AJ, LM101J/883*,

LM201AN or LM301AN

See NS Package Number J08A or N08A

TL/H/7752±2

Note: Pin 4 connected to case.

Order Number LM101AH,

LM101AH/883*, LM201AH or LM301AH

See NS Package Number H08C

Ceramic Flatpack Package

Dual-In-Line Package

TL/H/7752±4

Order Number LM101AW/883 or LM101W/883

See NS Package Number W10A

TL/H/7752±3

*Available per JM38510/10103.

Order Number LM101AJ-14/883*

See NS Package Number J14A

C 1995 National Semiconductor Corporation

TL/H/7752

RRD-B30M115/Printed in U. S. A.

Absolute Maximum Ratings

If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

LM101A/LM201A

LM301A

Supply Voltage

g 22V

g 18V

Differential Input Voltage

g 30V

Input Voltage (Note 1)

g 15V

Output Short Circuit Duration (Note 2)

Continuous

Operating Ambient Temp. Range

b 55 § Cto a 125 § C (LM101A)

0 § Cto a 70 § C

b 25 § Cto a 85 § C (LM201A)

T J Max

H-Package

150 § C

100 § C

N-Package

150 § C

100 § C

J-Package

150 § C

100 § C

Power Dissipation at T A e 25 § C

H-Package (Still Air)

500 mW

300 mW

(400 LF/Min Air Flow)

1200 mW

700 mW

N-Package

900 mW

500 mW

J-Package

1000 mW

650 mW

Thermal Resistance (Typical) i jA

H-Package (Still Air)

165 § C/W

(400 LF/Min Air Flow)

67 § C/W

N Package

135 § C/W

J-Package

110 § C/W

110 § CmW

(Typical) i jC

H-Package

25 § C/W

Storage Temperature Range

b 65 § Cto a 150 § C

Lead Temperature (Soldering, 10 sec.)

Metal Can or Ceramic

300 § C

Plastic

260 § C

ESD Tolerance (Note 5)

2000V

Electrical Characteristics (Note 3) T A e T J

Parameter

Conditions

LM101A/LM201A

LM301A

Units

Min Typ Max Min Typ Max

Input Offset Voltage

T A e 25 § C, R S s 50 k X

0.7

2.0

7.5 mV

Input Offset Current

T A e 25 § C

1.5

3.0

50 nA

Input Bias Current

T A e 25 § C

250 nA

Input Resistance

T A e 25 § C

1.5 4.0

0.5 2.0

M X

Supply Current

T A e 25 § C

V S e g 20V

1.8

3.0

V S e g 15V

1.8

3.0 mA

Large Signal Voltage Gain

T A e 25 § C, V S e g 15V

50 160

25 160

V/mV

V OUT e g 10V, R L t 2k X

Input Offset Voltage

R S s 50 k X

3.0

10 mV

Average Temperature Coefficient R S s 50 k X

3.0

6.0

30 m V/ § C

of Input Offset Voltage

Input Offset Current

70 nA

Average Temperature Coefficient 25 § C s T A s T MAX

0.01 0.1

0.01 0.3 nA/ § C

of Input Offset Current

T MIN s T A s 25 § C

0.02 0.2

0.02 0.6 nA/ § C

Electrical Characteristics (Note 3) T A e T J (Continued)

Parameter

Conditions

LM101A/LM201A

LM301A

Units

Min Typ Max Min Typ Max

Input Bias Current

0.1

0.3 m A

Supply Current

T A e T MAX ,V S e g 20V

1.2 2.5

Large Signal Voltage Gain V S e g 15V, V OUT e g 10V

V/mV

R L t 2k

Output Voltage Swing

V S e g 15V

R L e 10 k X g 12 g 14

g 12 g 14

R L e 2k X g 10 g 13

g 10 g 13

Input Voltage Range

V S e g 20V

g 15

V S e g 15V

a 15, b 13 g 12 a 15, b 13

Common-Mode Rejection Ratio R S s 50 k X

Supply Voltage Rejection Ratio R S s 50 k X

Note 1: For supply voltages less than g 15V, the absolute maximum input voltage is equal to the supply voltage.

Note 2: Continuous short circuit is allowed for case temperatures to 125 § C and ambient temperatures to 75 § C for LM101A/LM201A, and 70 § C and 55 § C

respectively for LM301A.

Note 3: Unless otherwise specified, these specifications apply for C1 e 30 pF, g 5V s V S s g 20V and b 55 § C s T A s a 125 § C (LM101A), g 5V s V S s g 20V