Datasheets
LM311DRG4 by: Texas Instruments

High Speed, 30V, Differential Comparator With Strobes 8-SOIC 0 to 70

Part Details for LM311DRG4 by Texas Instruments

Results Overview of LM311DRG4 by Texas Instruments

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LM311DRG4 Information

LM311DRG4 by Texas Instruments is a Comparator.
Comparators are under the broader part category of Amplifier Circuits.

Amplifier circuits use external power to increase the amplitude of an input signal. They can be used to perform linear amplifications or logarithmic functions. Read more about Amplifier Circuits on our Amplifier Circuits part category page.

Available Datasheets

Part # Manufacturer Description Datasheet
LM311DRG4 Texas Instruments High Speed, 30V, Differential Comparator With Strobes 8-SOIC 0 to 70

Price & Stock for LM311DRG4

Part # Distributor Description Stock Price Buy
DISTI # 3118436RL
Farnell COMPARATOR, CMOS/TTL, 115NS, SOIC-8 RoHS: Compliant Min Qty: 100 Lead time: 53 Weeks, 2 Days Container: Reel 115
  • 100 $0.4058
  • 500 $0.3179
  • 1,000 $0.2249
  • 5,000 $0.2106
  • 10,000 $0.1951
$0.1951 / $0.4058 Buy Now
DISTI # 3118436
Farnell COMPARATOR, CMOS/TTL, 115NS, SOIC-8 RoHS: Compliant Min Qty: 5 Lead time: 53 Weeks, 2 Days Container: Cut Tape 115
  • 5 $0.7224
  • 10 $0.6009
  • 100 $0.4058
  • 500 $0.3179
  • 1,000 $0.2249
  • 5,000 $0.2106
  • 10,000 $0.1951
$0.1951 / $0.7224 Buy Now
DISTI # 296-41300-1-ND
DigiKey IC COMPARATOR 1 GEN PUR 8SOIC Min Qty: 1 Lead time: 6 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) 8217
In Stock
  • 1 $0.4600
  • 10 $0.3230
  • 25 $0.2880
  • 100 $0.2498
  • 250 $0.2316
  • 500 $0.2206
  • 1,000 $0.2116
  • 2,500 $0.2021
  • 5,000 $0.1963
  • 7,500 $0.1934
  • 12,500 $0.1902
  • 17,500 $0.1884
  • 25,000 $0.1866
$0.1866 / $0.4600 Buy Now
Bristol Electronics   2174
RFQ
Bristol Electronics   247
RFQ
Chip 1 Exchange INSTOCK 3836
RFQ
Component Electronics, Inc IN STOCK SHIP TODAY 25
  • 1 $1.2700
  • 100 $0.9500
  • 1,000 $0.8300
$0.8300 / $1.2700 Buy Now
New Advantage Corporation IC-311 DIFF COMP STROBE SO8 SMD TI RoHS: Compliant Min Qty: 1 Package Multiple: 100 1898
  • 700 $0.4853
  • 1,898 $0.4529
$0.4529 / $0.4853 Buy Now
Vyrian Amplifiers 4307
RFQ
Win Source Electronics DIFFERENTIAL COMPARATORS WITH STROBES 89400
  • 500 $0.1010
  • 1,055 $0.0950
  • 1,635 $0.0920
  • 2,355 $0.0850
  • 3,050 $0.0820
  • 3,800 $0.0790
$0.0790 / $0.1010 Buy Now

Part Details for LM311DRG4

LM311DRG4 CAD Models

LM311DRG4 Part Data Attributes

LM311DRG4 Texas Instruments
Buy Now Datasheet
Compare Parts:
LM311DRG4 Texas Instruments High Speed, 30V, Differential Comparator With Strobes 8-SOIC 0 to 70
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Rohs Code No
Part Life Cycle Code Obsolete
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SOIC
Package Description GREEN, PLASTIC, MS-012AA, SOIC-8
Pin Count 8
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Amplifier Type COMPARATOR
Average Bias Current-Max (IIB) 0.3 µA
Bias Current-Max (IIB) @25C 0.25 µA
Input Offset Voltage-Max 7500 µV
JESD-30 Code R-PDSO-G8
JESD-609 Code e4
Length 4.9 mm
Moisture Sensitivity Level 1
Neg Supply Voltage Limit-Max -18 V
Neg Supply Voltage-Nom (Vsup) -15 V
Number of Functions 1
Number of Terminals 8
Operating Temperature-Max 70 °C
Operating Temperature-Min
Output Type OPEN-COLLECTOR; OPEN-DRAIN
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP8,.25
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Packing Method TR
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Response Time-Nom 115 ns
Seated Height-Max 1.75 mm
Supply Current-Max 7.5 mA
Supply Voltage Limit-Max 18 V
Supply Voltage-Nom (Vsup) 15 V
Surface Mount YES
Technology BIPOLAR
Temperature Grade COMMERCIAL
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Width 3.9 mm

Alternate Parts for LM311DRG4

This table gives cross-reference parts and alternative options found for LM311DRG4. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LM311DRG4, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
LM311D-T NXP Semiconductors Check for Price IC COMPARATOR, 10000 uV OFFSET-MAX, 200 ns RESPONSE TIME, PDSO8, PLASTIC, SO-8, Comparator LM311DRG4 vs LM311D-T
LM311D3 Texas Instruments Check for Price IC COMPARATOR, Comparator LM311DRG4 vs LM311D3
LP311DRE4 Rochester Electronics LLC Check for Price Comparator, 1 Func, 10000uV Offset-Max, 1200ns Response Time, PDSO8, GREEN, PLASTIC, MS-012AA, SOIC-8 LM311DRG4 vs LP311DRE4
LM311D onsemi Check for Price Comparator, Single, SOIC-8 Narrow Body, 98-TUBE LM311DRG4 vs LM311D
KA311DTF Fairchild Semiconductor Corporation Check for Price Comparator, 1 Func, 10000uV Offset-Max, 200ns Response Time, BIPolar, PDSO8, SOIC-8 LM311DRG4 vs KA311DTF
LM311DR Texas Instruments $0.1614 High Speed, 30V, Differential Comparator With Strobes 8-SOIC 0 to 70 LM311DRG4 vs LM311DR
Part Number Manufacturer Composite Price Description Compare
KA311D Fairchild Semiconductor Corporation Check for Price Comparator, 1 Func, 10000uV Offset-Max, 200ns Response Time, BIPolar, PDSO8, SOP-8 LM311DRG4 vs KA311D
LM311DT Texas Instruments Check for Price COMPARATOR, 10000uV OFFSET-MAX, 115ns RESPONSE TIME, PDSO8 LM311DRG4 vs LM311DT
LM311DR2G onsemi $0.1379 Comparator, Single, SOIC-8 Narrow Body, 2500-REEL LM311DRG4 vs LM311DR2G
LM311DR2 onsemi Check for Price Comparator, Single, SOIC-8 Narrow Body, 2500-REEL LM311DRG4 vs LM311DR2
LP311PSRE4 Rochester Electronics LLC Check for Price Comparator, 1 Func, 10000uV Offset-Max, 1200ns Response Time, PDSO8, GREEN, PLASTIC, SOP-8 LM311DRG4 vs LP311PSRE4
LM311BD NXP Semiconductors Check for Price IC COMPARATOR, 10000 uV OFFSET-MAX, 500 ns RESPONSE TIME, PDSO8, 3.90 MM, PLASTIC, MS-012, SOT-96, SO-8, Comparator LM311DRG4 vs LM311BD
LP311DG4 Texas Instruments Check for Price Single, Low-Power, Strobed Differential Comparator with Open Collector and Emitter Outputs 8-SOIC 0 to 70 LM311DRG4 vs LP311DG4
LP311JG Rochester Electronics LLC Check for Price Comparator, 1 Func, 10000uV Offset-Max, 1200ns Response Time, CDIP8, CERAMIC, DIP-8 LM311DRG4 vs LP311JG
LM311M National Semiconductor Corporation Check for Price IC COMPARATOR, 10000 uV OFFSET-MAX, 200 ns RESPONSE TIME, PDSO8, SOIC-8, Comparator LM311DRG4 vs LM311M
LM311M Texas Instruments Check for Price Precision, high voltage, floating output comparator 8-SOIC 0 to 70 LM311DRG4 vs LM311M

LM311DRG4 Related Parts

LM311DRG4 Frequently Asked Questions (FAQ)

  • The maximum voltage that can be applied to the input pins is the supply voltage (Vcc) + 0.3V, which is typically 36V for the LM311DRG4.

  • To prevent oscillation, ensure that the input signals are properly filtered and decoupled, and that the output is properly loaded. Additionally, adding a small capacitor (e.g. 10nF) between the output and ground can help to reduce oscillations.

  • The minimum input voltage required for the comparator to function correctly is typically around 2V, but this can vary depending on the specific application and operating conditions.

  • No, the LM311DRG4 is a comparator, not an amplifier. It is designed to compare two input voltages and output a digital signal indicating which input is higher. It is not suitable for amplifying signals.

  • The pull-up resistor value depends on the specific application and the load connected to the output. A general rule of thumb is to choose a value between 1kΩ and 10kΩ, but this may need to be adjusted based on the specific requirements of the application.