LM211DR2 ON Semiconductor, LM211DR2 Datasheet - Page 6

• Manufacturer Part Number: LM211DR2
• Description: IC COMPARATOR SGL HI VOLT 8SOIC
• Manufacturer: ON Semiconductor
• Type: General Purposer

Specifications of LM211DR2

• Number Of Elements: 1
• Output Type: DTL, MOS, Open-Collector, Open-Emitter, RTL, TTL
• Voltage - Supply: 5 V ~ 30 V, ±2.5 V ~ 15 V
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: LM211DR2OSCT

Input
Input
Balance
Adjust
Balance
Figure 18. Zero−Crossing Detector
Figure 16. Improved Method of Adding
Hysteresis Without Applying Positive
Inputs
0.1 mF
R1
R2
V
Driving CMOS Logic
EE
C2
5.0 k
Feedback to the Inputs
+
LM311
= −15 V
3.0 k
V
V
EE
2
3
CC
−15 V
+
−
= +15 V
8
LM311
V
6
GND
CC
4
0.002
mF
5.0 k
C1
3.0 k
10 k
1
5
3.0
2.6
2.2
1.8
1.4
1.0
33 k
0.1 mF
−55
7
Output
to CMOS Logic
Postive Supply − Output Low
Positive and Negative Supply − Output High
4.7 k
82
APPLICATIONS INFORMATION
−25
Figure 15. Power Supply Current
+15 V
Output
http://onsemi.com
LM211, LM311
0
versus Temperature
T
A
, TEMPERATURE (°C)
25
6
50
Inputs
Input
Figure 19. Relay Driver with Strobe Capability
75
V
V
GND
V
V
Figure 17. Conventional Technique
EE
EE
100
CC
EE
100
R1
R2
0.1 mF
C2
+
LM311
= −15 V
= +15 V
100
for Adding Hysteresis
1.0 M
Q1
−15 V
3
2
V
V
1.0 k
Output
CC1
CC
Balance/Strobe
+
Strobe
125
−
TTL
8
LM311
2N2222 or
Equivalent
510 k
6
4
5.0 k
C1
3.0 k
V
CC2
1
5
0.1 mF
7
*Zener Diode D1
protects the comparator
from inductive kickback
and voltage transients
on the V
*D1
4.7 k
CC2
supply line.
+15 V
Output