Part Details for LM311M by National Semiconductor Corporation
Results Overview of LM311M by National Semiconductor Corporation
- Distributor Offerings: (22 listings)
- Number of FFF Equivalents: (6 replacements)
- CAD Models: (Request Part)
- 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.
LM311M Information
LM311M by National Semiconductor Corporation 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 |
|---|---|---|---|
| LM311M/NOPB | Texas Instruments | Voltage Comparator 8-SOIC 0 to 70 | |
| LM311MX/NOPB | Texas Instruments | Voltage Comparator 8-SOIC 0 to 70 | |
| LM311M | Texas Instruments | Voltage Comparator 8-SOIC 0 to 70 |
Price & Stock for LM311M
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
2156-LM311M-ND
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DigiKey | IC COMPARATOR 1 GEN PUR 8SOIC Min Qty: 307 Lead time: 1 Weeks Container: Bulk MARKETPLACE PRODUCT |
6316 In Stock |
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$0.9800 | Buy Now |
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DISTI #
87490585
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Verical | Comparator Single ±15V/30V 8-Pin SOIC Tube Min Qty: 320 Package Multiple: 1 Date Code: 0301 | Americas - 5899 |
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$1.1750 | Buy Now |
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Bristol Electronics | 9984 |
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RFQ | ||
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Bristol Electronics | 2773 |
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RFQ | ||
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Bristol Electronics | Min Qty: 7 | 1559 |
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$0.2100 / $0.7500 | Buy Now |
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Bristol Electronics | 1423 |
|
RFQ | ||
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Bristol Electronics | 100 |
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RFQ | ||
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Bristol Electronics | Min Qty: 7 | 97 |
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$0.4875 / $0.7500 | Buy Now |
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Bristol Electronics | 14 |
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RFQ | ||
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Quest Components | IC,VOLT COMPARATOR,SINGLE,BIPOLAR,SOP,8PIN,PLASTIC | 7263 |
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$0.7740 / $2.0640 | Buy Now |
Part Details for LM311M
LM311M CAD Models
LM311M Part Data Attributes
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LM311M
National Semiconductor Corporation
Buy Now
Datasheet
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Compare Parts:
LM311M
National Semiconductor Corporation
IC COMPARATOR, 10000 uV OFFSET-MAX, 200 ns RESPONSE TIME, PDSO8, SOIC-8, Comparator
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| Rohs Code | No | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | NATIONAL SEMICONDUCTOR CORP | |
| Part Package Code | SOIC | |
| Package Description | SOIC-8 | |
| Pin Count | 8 | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Amplifier Type | COMPARATOR | |
| Average Bias Current-Max (IIB) | 0.3 µA | |
| Bias Current-Max (IIB) @25C | 0.25 µA | |
| Input Offset Voltage-Max | 10000 µV | |
| JESD-30 Code | R-PDSO-G8 | |
| JESD-609 Code | e0 | |
| 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 | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | SOP | |
| Package Equivalence Code | SOP8,.25 | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Peak Reflow Temperature (Cel) | 235 | |
| Qualification Status | Not Qualified | |
| Response Time-Nom | 200 ns | |
| Seated Height-Max | 1.75 mm | |
| Supply Voltage Limit-Max | 18 V | |
| Supply Voltage-Nom (Vsup) | 15 V | |
| Surface Mount | YES | |
| Technology | BIPOLAR | |
| Temperature Grade | COMMERCIAL | |
| Terminal Finish | Tin/Lead (Sn/Pb) | |
| 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 LM311M
This table gives cross-reference parts and alternative options found for LM311M. 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 LM311M, 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 |
|---|---|---|---|---|
| LM311MX | National Semiconductor Corporation | Check for Price | IC COMPARATOR, 10000 uV OFFSET-MAX, 200 ns RESPONSE TIME, PDSO8, SOIC-8, Comparator | LM311M vs LM311MX |
| LM311MX/NOPB | National Semiconductor Corporation | Check for Price | IC COMPARATOR, 10000 uV OFFSET-MAX, 200 ns RESPONSE TIME, PDSO8, LEAD FREE, SOIC-8, Comparator | LM311M vs LM311MX/NOPB |
| LM311M | Texas Instruments | Check for Price | Precision, high voltage, floating output comparator 8-SOIC 0 to 70 | LM311M vs LM311M |
| LM311MX | Rochester Electronics LLC | Check for Price | Comparator, 1 Func, 10000uV Offset-Max, 200ns Response Time, BIPolar, PDSO8, SOP-8 | LM311M vs LM311MX |
| LM311M | Rochester Electronics LLC | Check for Price | Comparator, 1 Func, 10000uV Offset-Max, 200ns Response Time, BIPolar, PDSO8, SOP-8 | LM311M vs LM311M |
| LM311D | Motorola Mobility LLC | Check for Price | COMPARATOR, 10000uV OFFSET-MAX, 200ns RESPONSE TIME, PDSO8, PLASTIC, SO-8 | LM311M vs LM311D |
LM311M 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 ensure a fast response time, make sure to use a pull-up resistor on the output pin, and keep the input impedance low by using a voltage divider or a buffer amplifier if necessary.
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Yes, the LM311M can be used as a zero-crossing detector. Simply connect the input pins to a voltage divider that produces a voltage that crosses the zero point, and the output will toggle when the input voltage crosses zero.
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The minimum supply voltage required for the LM311M is 5V, but it can operate down to 4V with reduced performance.
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To reduce power consumption, use a lower supply voltage, reduce the frequency of the input signal, and use a higher value pull-up resistor on the output pin.