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Part Details for LM311D by Texas Instruments
Results Overview of LM311D by Texas Instruments
- Distributor Offerings: (24 listings)
- Number of FFF Equivalents: (3 replacements)
- CAD Models: (Available)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
LM311D Information
LM311D 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 |
|---|---|---|---|
| LM311DE4 | Texas Instruments | High Speed, 30V, Differential Comparator With Strobes 8-SOIC 0 to 70 | |
| LM311DRE4 | Texas Instruments | High Speed, 30V, Differential Comparator With Strobes 8-SOIC 0 to 70 | |
| LM311DG4 | Texas Instruments | High Speed, 30V, Differential Comparator With Strobes 8-SOIC 0 to 70 |
Price & Stock for LM311D
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
64AH3843
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Newark | Single Channel W/Strobe Compar, Comparator Type:High Speed, No. Of Comparators:1 Comparator, Response Time:115Ns, Supply Voltage Range:3.5V To 30V, Comparator Case Style:Soic, No. Of Pins:8Pins, Ic Output Type:Mos, Ttl, Operating Rohs Compliant: Yes |Texas Instruments LM311D RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk | 45 |
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$0.9060 / $0.9470 | Buy Now |
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DISTI #
296-1388-5-ND
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DigiKey | IC COMPARATOR 1 GEN PUR 8SOIC Min Qty: 1 Lead time: 6 Weeks Container: Tube |
2306 In Stock |
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$0.4248 / $0.9200 | Buy Now |
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DISTI #
595-LM311D
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Mouser Electronics | Analog Comparators Single Channler RoHS: Compliant | 21301 |
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$0.4340 / $0.9200 | Buy Now |
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DISTI #
J56:1989_00022319
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Arrow Electronics | Comparator Single ±15V/30V 8-Pin SOIC Tube RoHS: Compliant Min Qty: 75 Package Multiple: 75 Lead time: 6 Weeks Date Code: 2239 | Europe - 825 |
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$0.4058 / $0.5058 | Buy Now |
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DISTI #
85989166
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Verical | Comparator Single ±15V/30V 8-Pin SOIC Tube RoHS: Compliant Min Qty: 577 Package Multiple: 1 Date Code: 0101 | Americas - 24236 |
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$0.6500 | Buy Now |
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Bristol Electronics | 1404 |
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RFQ | ||
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Bristol Electronics | 1249 |
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RFQ | ||
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Bristol Electronics | 302 |
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RFQ | ||
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Bristol Electronics | 77 |
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RFQ | ||
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Bristol Electronics | Min Qty: 10 | 32 |
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$0.2625 / $0.5250 | Buy Now |
Part Details for LM311D
LM311D CAD Models
LM311D Part Data Attributes
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LM311D
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
LM311D
Texas Instruments
High Speed, 30V, Differential Comparator With Strobes 8-SOIC 0 to 70
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| 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 | TUBE | |
| 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) | 30 | |
| Width | 3.9 mm |
Alternate Parts for LM311D
This table gives cross-reference parts and alternative options found for LM311D. 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 LM311D, 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 |
|---|---|---|---|---|
| LM311DR | Texas Instruments | $0.1588 | High Speed, 30V, Differential Comparator With Strobes 8-SOIC 0 to 70 | LM311D vs LM311DR |
| LM311D | STMicroelectronics | $0.2721 | Voltage comparator with strobe | LM311D vs LM311D |
| KA311D | Fairchild Semiconductor Corporation | Check for Price | Comparator, 1 Func, 10000uV Offset-Max, 200ns Response Time, BIPolar, PDSO8, SOP-8 | LM311D vs KA311D |
LM311D Frequently Asked Questions (FAQ)
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The maximum voltage that can be applied to the input pins is ±30V, but it's recommended to keep it within the supply voltage range to ensure proper operation.
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To prevent oscillation, add a small capacitor (e.g., 10nF) between the output and the negative supply pin, and a small resistor (e.g., 1kΩ) between the output and the input pins.
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The minimum input voltage required is 1.9V, but it's recommended to operate the comparator at a minimum of 2.7V for optimal performance.
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No, the LM311D is a comparator, not an amplifier. It's designed to compare two input voltages and output a digital signal, not to amplify a signal.
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To reduce power consumption, operate the comparator at a lower supply voltage (e.g., 3.3V instead of 5V) and use a lower quiescent current version of the LM311D, such as the LM311D-3.3.