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LM311P

Part # LM311P
Description SINGLE STROBED DIFFERENTIAL COMPARATOR
Category IC
Availability In Stock
Qty 35
Qty Price
1 + $0.39395
Manufacturer Available Qty
Texas Instruments
Date Code: 0327
  • Shipping Freelance Stock: 20
    Ships Immediately
Texas Instruments
  • Shipping Freelance Stock: 15
    Ships Immediately



Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

LM111, LM211, LM311
DIFFERENTIAL COMPARATORS WITH STROBES
SLCS007H – SEPTEMBER 1973 – REVISED AUGUST 2003
13
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
APPLICATION INFORMATION
Figure 18. Comparator and Solenoid Driver
Input
22 k
Output
V
CC+
Figure 19. Strobing Both Input and Output Stages
Simultaneously
Typical input current is 50 pA with inputs strobed off.
V
CC+
1 k
From D/A Network
0.1 µF
Sample
Analog
Input
2N2222
TTL
Strobe
BAL/STRBBALANCE
Figure 20. Low-Voltage Adjustable
Reference Supply
500 3.9 k
10 k
1.5 µF
+
V
CC+
Outpu
t
2N2222
2N3708
1 k
Figure 21. Zero-Crossing Detector
Driving MOS Logic
3 k
3 k
V
CC+
= 5 V
Input
10 k
V
CC–
= –10 V
Output
to MOS
BAL/
STRB
BALANCE
LM111, LM211, LM311
DIFFERENTIAL COMPARATORS WITH STROBES
SLCS007H – SEPTEMBER 1973 – REVISED AUGUST 2003
14
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
APPLICATION INFORMATION
Adjust to set clamp level
3.9 k
30 k
1.5 µF
+
V
CC+
= 5 V
Input
From
TTL
2N2222
2N3708
Output
510
1 k 1 k
2N2222
2N2222
2.2 k
1N914
1N914
2.7 k
Figure 22. Precision Squarer
5 k
0.01 µF
TTL
Output
1 k
1 k
1 k
100
From
TTL
Gate
50 k
Opto Isolator
5 V
V
CC+
= 5 V
Figure 23. Digital Transmission Isolator
1.5 µF
+
10 k
2 k
V
CC+
= 15 V
TL081
Output
Input
1 M
V
CC–
= –15 V
+
Figure 24. Positive-Peak Detector
LM111, LM211, LM311
DIFFERENTIAL COMPARATORS WITH STROBES
SLCS007H – SEPTEMBER 1973 – REVISED AUGUST 2003
15
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
APPLICATION INFORMATION
15 µF
+
10 k
1 M
V
CC+
= 15 V
TL081
Output
Input
V
CC–
= –15 V
2 k
+
Figure 25. Negative-Peak Detector
R1 sets the comparison level. At comparison, the photodiode has less than 5 mV across it, decreasing dark current by an order of magnitude.
2N2222
2N3708
R1
30 k
3.9 k
1 k
Output
to TTL
V
CC+
= 5 V
1N2175
Figure 26. Precision Photodiode Comparator
Transient voltage and inductive kickback protection
2N3708
V
CC+
Inputs
TTL
Strobe
V
CC–
1 k
BAL/STRB
Figure 27. Relay Driver With Strobe
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