LM358S, LM2904S

http://onsemi.com

8

2

1

1

2

Figure 8. Function Generator

Figure 9. Multiple Feedback Bandpass Filter

For less than 10% error from operational amplifier.

If source impedance varies, filter may be preceded with voltage

follower buffer to stabilize filter parameters.

BW

< 0.1

Given:

Then:

R3 =

Q

R3

R1 =

R1 R3

R2 =

+

-

+

-

-

+

f =

R3 =

R2 R1

R2 + R1

R2

300 k

75 k

R3

R1

C

Triangle Wave

Output

Square

Wave

Output

R3

R1

R2

C

C

CO

CO = 10 C

if,

1/2

LM358S

1/2

LM358S

1/2

LM358S

100 k

ORDERING INFORMATION

Device

Operating Temperature Range

Package

LM358SNG

0

°C to +70°C

PDIP−8

(Pb−Free)

50 Units / Rail

LM2904SNG

−40

°C to +105°C

PDIP−8

(Pb−Free)

50 Units / Rail

†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging

Specifications Brochure, BRD8011/D.