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Home  Product Technical Articles   LM311P Analog Differential Comparator: Pinout, Datasheet, Equivalent [Video]

LM311P Analog Differential Comparator: Pinout, Datasheet, Equivalent [Video]

Author: Irene
Date: 24 Aug 2021
 338
Equivalent

The LM311P is a voltage comparator in 8 pin DIP package. 
This blog will introduce LM311P systematically from its pinout, features to its application, equivalents, also including where and how to use this component and so much more with circuit examples.

LM311P (Voltage Comparator)

Catalog

LMx11 Family Overview

LM311P Description

CAD Models

LM311P Packages

LM311P Features

LM311P Product Attribute

LM311P Applications

Application Circuits

LM311P Manufacturer


LMx11 Family Overview

The LM111, LM211 and LM311 from Texas Instruments are differential input voltage comparators with a wide operating voltage range and 200 ns response time. The inputs of these devices can be isolated from system ground and the uncommitted outputs can drive loads referred to either supply rail or ground. These single comparators are provided with balancing and strobe capability.


LM311P Description

The LM311P is a voltage comparator in 8 pin DIP package. It is designed to operate over a wide range of supply voltages from standard ±15V op amp supplies down to single 5V supply used for IC logic. The output of comparator is compatible with RTL, DTL and TTL as well as MOS circuits. The LM311P drives lamps or relays, switching voltages up to 50V at currents as high as 50mA. Both inputs and outputs of LM311P can be isolated from system ground and output can drive loads referred to ground. Offset balancing and strobe capability are provided and outputs can be wired. The device is less prone to spurious oscillations.


CAD Models

LM311P Symbol

LM311P Symbol

 

LM311P Footprint

LM311P Footprint


LM311P Packages

LM311P JG Package

LM311P JG Package

 

LM311P FK Package

LM311P FK Package


LM311P Features

1) Fast Response Time: 165 ns
2) Strobe Capability
3) Maximum Input Bias Current: 300 nA
4) Maximum Input Offset Current: 70 nA
5) Can Operate From Single 5-V Supply
6) Available in Q-Temp Automotive
   High-ReliabilityAutomotive Applications
   Configuration Control and Print Support
   Qualification to Automotive Standards
7) On Products Compliant to MIL-PRF-38535
8) All Parameters Are Tested Unless Otherwise Noted. On All Other Products, Production Processing Does Not Necessarily Include Testing of All Parameters.


LM311P Product Attribute

Brand:

Texas Instruments

Comparator Type:

General Purpose

Mounting Type:

Through Hole

Package Type:

PDIP

Power Supply Type:

Dual, Single

Output Type:

Open Collector/Emitter

Number of Channels per Chip:

1

Typical Response Time:

0.165µs

Pin Count:

8

Typical Single Supply Voltage:

5 → 28 V

Dimensions:

9.81mm x 6.35mm x 4.57mm

Number of Channels:

1 Channel

Response Time:

115 ns

Subcategory:

Amplifier ICs

Typical Voltage Gain:

106.02 dB

Maximum Operating Temperature:

+70 °C

Minimum Operating Temperature:

0 °C

Typical Dual Supply Voltage:

±12 V, ±3 V, ±5 V, ±9 V

Reference Voltage:

No

Shutdown:

No Shutdown

Supply Type:

Single, Dual

Technology:

Bipolar

Type:

Voltage Comparator

RoHS Status

ROHS3 Compliant


LM311P Applications

Signal Processing


Application Circuits

100-kHz Free-Running Multivibrator

100-kHz Free-Running Multivibrator

 

Offset Balancing

Offset Balancing

 

Strobing

Strobing

 

Zero-Crossing Detector

Zero-Crossing Detector

 

TTL Interface with High-Level Logic

TTL Interface with High-Level Logic

 

Detector for Magnetic Transducer

Detector for Magnetic Transducer

 

100-kHz Crystal Oscillator

100-kHz Crystal Oscillator

 

Comparator and Solenoid Driver

Comparator and Solenoid Driver

 

Strobing both Inout and Output Stages Simultaneoously

Strobing both Inout and Output Stages Simultaneoously

 

Low-voltage Adjustable Reference Supply

Low-voltage Adjustable Reference Supply

 

Zero-Crossing Detector Driving MOS Logic

Zero-Crossing Detector Driving MOS Logic

 

Precision Squarer

Precision Squarer

 

Digital Transmission Isolator

Digital Transmission Isolator

 

Positive-Peak Detector

Positive-Peak Detector


Similar Parts

NJM311D, LM311N, LM311E, LM311J8, LM311N8, LM311N8#PBF, LM311J-8, LM311N/NOPB, LM311BN, LM311NG


Using Warnings

This device has limited built-in ESD protection. The leads should be shorted together or device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.


LM311P Manufacturer

Texas Instruments Incorporated (TI) is an American technology company headquartered in Dallas, Texas, that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. It is one of the top 10 semiconductor companies worldwide based on sales volume. The company's focus is on developing analog chips and embedded processors, which account for more than 80% of its revenue. TI also produces TI digital light processing technology and education technology[8] products including calculators, microcontrollers and multi-core processors.

Ordering & Quality

Photo Mfr. Part # Company Description Package PDF Qty Pricing
(USD)
LM311P LM311P Company:Texas Instruments Remark:Comparator General Purpose DTL, MOS, Open-Collector, Open-Emitter, RTL, TTL 8-PDIP Package:8-DIP (0.300"", 7.62mm)
DataSheet
In Stock:On Order
Buy
Price:
1+: $0.39000
10+: $0.33800
25+: $0.31520
100+: $0.23400
250+: $0.19800
500+: $0.18900
1000+: $0.13950
2500+: $0.13050
5000+: $0.12150
Buy
LM311PSR LM311PSR Company:Texas Instruments Remark:Comparator General Purpose DTL, MOS, Open-Collector, Open-Emitter, RTL, TTL 8-SO Package:8-SOIC (0.209"", 5.30mm Width)
DataSheet
In Stock:On Order
Buy
Price:
1624+: $0.15402
Buy
LM311PWR LM311PWR Company:Texas Instruments Remark:Comparator General Purpose DTL, MOS, Open-Collector, Open-Emitter, RTL, TTL 8-TSSOP Package:8-TSSOP (0.173"", 4.40mm Width)
DataSheet
In Stock:On Order
Buy
Price:
1+: $0.46000
10+: $0.39000
25+: $0.36400
100+: $0.27040
250+: $0.22880
500+: $0.21840
1000+: $0.16120
2000+: $0.15080
6000+: $0.14040
10000+: $0.13312
50000+: $0.12792
Buy

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