Philips Semiconductors Linear Products

Product specification

LM111/211/311/

LM311B

Voltage comparator

August 31, 1994

276

TYPICAL APPLICATIONS

INPUT

R1

3K

BAL

R2

3K

V+ = 5V

TO

MOS

LOGIC

R3

10K

V– = 10V

5

6

8

7

1

4

3

2

INPUT

+

–

LM311

+

–

LM311

V+ 5V

R3

2K

TTL

OUTPUT

8

7

3

2

4

1

R1

4.5K

R2

1K

MAGNETIC

PICKUP

+

–

LM311

V+ = 5V

TO TTL

OUTPUT

2

3

8

7

1

4

R4

82K

R2

47K

C1

R1

240K

R3

82K

R5

1K

Zero Detector

Driving MOS Logic

Detector for Magnetic

Transducer

TTL Interface with High

Level Logic

* Values shown are for a 0 to 30V logic swing and a 15V threshold.

** May be added to control speed and reduce susceptibility to noise spikes.