If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

LF444A

LF444

Supply Voltage

Differential Input Voltage

Input Voltage Range

(Note 1)

Output Short Circuit

Continuous

Continuous

Duration (Note 2)

D Package

N, M Packages

Power Dissipation

900 mW

670 mW

(Notes 3, 9)

T

150˚C

115˚C

θ

100˚C/W

85˚C/W

LF444A/LF444

Operating Temperature Range

(Note 4)

Storage Temperature Range

−65˚C

≤ T

ESD Tolerance (Note 10)

Rating to

be determined

Soldering Information

Dual-In-Line Packages

(Soldering, 10 sec.)

260˚C

Small Outline Package

Vapor Phase (60 sec.)

215˚C

Infrared (15 sec.)

220˚C

See AN-450 “Surface Mounting Methods and Their Effect on

Product Reliability” for other methods of soldering surface

mount devices.

Symbol

Parameter

Conditions

LF444A

LF444

Units

Min

Typ

Max

Min

Typ

Max

V

OS

Input Offset Voltage

R

2

5

3

10

mV

0˚C

≤ T

6.5

12

mV

−55˚C

≤ T

8

mV

∆V

Average TC of Input

R

10

10

µV/˚C

Offset Voltage

I

OS

Input Offset Current

V

T

5

25

5

50

pA

(Notes 5, 6)

T

1.5

1.5

nA

T

10

nA

I

B

Input Bias Current

V

T

10

50

10

100

pA

(Notes 5, 6)

T

3

3

nA

T

20

nA

R

IN

Input Resistance

T

10

12

10

12

Ω

A

VOL

Large Signal Voltage

V

50

100

25

100

V/mV

Gain

R

Over Temperature

25

15

V/mV

V

O

Output Voltage Swing

V

V

V

CM

Input Common-Mode

+18

+14

V

Voltage Range

−17

−12

V

CMRR

Common-Mode

R

80

100

70

95

dB

Rejection Ratio

PSRR

Supply Voltage

(Note 7)

80

100

70

90

dB

Rejection Ratio

I

S

Supply Current

0.6

0.8

0.6

1.0

mA

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