Philips Semiconductors
Product data
Voltage comparator
AU211/LM111/211/311/311B
TYPICAL APPLICATIONS
V+ 5 V
BAL
R1
5 3 kΩ
6
+
LM311
–
4
1
R2
3 kΩ
V+ = 5 V
8
7
TO
MOS
LOGIC
R3
10 kΩ
R1
4.5 kΩ
2
+
–
4
C1
R2
47 kΩ
V– = 10V
MAGNETIC
PICKUP
3
8
LM311
1
R2
1 kΩ
3
7
TTL
OUTPUT
R3
2 kΩ
R1
240 kΩ
INPUT
LM311
–
4
R4
82 kΩ
1
TO TTL
OUTPUT
V+ = 5 V
2
INPUT
3
R3
82 kΩ
2
+
8
7
R5
1 kΩ
* Values shown are for a 0 to 30 V logic swing and a 15 V threshold.
** May be added to control speed and reduce susceptibility to noise spikes.
Zero Detector
Driving MOS Logic
Detector for Magnetic
Transducer
Figure 3. Typical Applications
TTL Interface with
High Level Logic
SL00064
2003 Sep 30
5
PHILIPS [ NXP SEMICONDUCTORS ]
