LF441C

LF442C

LF444C

SEMICONDUCTOR

TECHNICAL DATA

LOW POWER

JFET INPUT

OPERATIONAL AMPLIFIERS

Order this document by LF441C/D

1

+

D SUFFIX

PLASTIC PACKAGE

CASE 751

(SO–8)

N SUFFIX

PLASTIC PACKAGE

CASE 626

Offset Null

Inputs

VEE

(Single, Top View)

NC

VCC

Output

Offset Null

Output 1

Inputs 1

VEE

(Dual, Top View)

Inputs 2

Output 2

VCC

1

2

3

4

8

7

6

5

+

–

–

–

+

2

1

2

3

4

8

7

6

5

8

1

8

1

PIN CONNECTIONS

D SUFFIX

PLASTIC PACKAGE

CASE 751A

(SO–14)

N SUFFIX

PLASTIC PACKAGE

CASE 646

Output 1

Inputs 1

VCC

Inputs 2

Output 2

Output 4

Inputs 4

VEE

Inputs 3

Output 3

(Quad, Top View)

1

2

3

4

5

6

78

9

10

11

12

13

14

4

23

++

++

1

14

1

14

1

––

––

PIN CONNECTIONS

1

MOTOROLA ANALOG IC DEVICE DATA

Low Power JFET Input

Operational Amplifiers

These JFET input operational amplifiers are designed for low power

applications. They feature high input impedance, low input bias current and

low input offset current. Advanced design techniques allow for higher slew

rates, gain bandwidth products and output swing. The LF441C device

provides for the external null adjustment of input offset voltage.

These devices are specified over the commercial temperature range. All

are available in plastic dual in–line and SOIC packages.

Representative Schematic Diagram

(Each Amplifier)

1

5

VEE

LF441C input offset voltage

null adjust circuit

100 k

Ω

1.5 k

Ω

15

*

*

Inputs

J1

J2

R1

R2

R3

R4

Q1

Q2

Q3

Q4

Q5

R5

C1

C2

Q6

D1

Q7

D2

VEE

Output

VCC

*Null adjustment pins for LF441 only.

+

+

ORDERING INFORMATION

Device

Function

Operating

Temperature Range

Package

LF441CD

LF441CN

Single

T0

°

70

°C

SO–8

Plastic DIP

LF442CD

LF442CN

Dual

TA = 0° to +70°C

SO–8

Plastic DIP

LF444CD

LF444CN

Quad

SO–14

Plastic DIP

© Motorola, Inc. 1996

Rev 0