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Part Details for LM311DT by STMicroelectronics
Results Overview of LM311DT by STMicroelectronics
- Distributor Offerings: (32 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Available)
- Number of Functional Equivalents: (0 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.
LM311DT Information
LM311DT by STMicroelectronics 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.
Price & Stock for LM311DT
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
08AC2764
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Newark | Comparator, Voltage, 0 To 70Deg C, Comparator Type:Voltage, No. Of Channels:1Channels, Response Time/Propogation Delay:200Ns, Supply Voltage Range:5V To ± 15V, Ic Case/Package:Soic, No. Of Pins:8Pins, Ic Mounting:Surface Mount Rohs Compliant: Yes |Stmicroelectronics LM311DT RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Cut Tape | 3558 |
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$0.2090 / $0.4800 | Buy Now |
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DISTI #
96AC0507
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Newark | Conditioning & Interfaces Rohs Compliant: Yes |Stmicroelectronics LM311DT RoHS: Compliant Min Qty: 2500 Package Multiple: 1 Date Code: 0 Container: Reel | 0 |
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$0.1300 / $0.1890 | Buy Now |
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DISTI #
94W8316
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Newark | Analogue Comparator, Rail To Rail, Voltage, 1, 200 Ns, 5V To 15V, Soic, 8 Rohs Compliant: Yes |Stmicroelectronics LM311DT RoHS: Compliant Min Qty: 2500 Package Multiple: 1 Date Code: 1 Container: Reel | 0 |
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$0.1910 | Buy Now |
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DISTI #
497-1569-1-ND
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DigiKey | IC COMPARATOR 1 GEN PUR 8SOIC Min Qty: 1 Lead time: 8 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) |
3590 In Stock |
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$0.1949 / $0.4800 | Buy Now |
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DISTI #
08AC2764
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Avnet Americas | Comparator, Voltage, 1 Channels, 5 V to 30 V, ?15 V, 8 Pins, SOIC - Product that comes on tape, but is not reeled (Alt: 08AC2764) RoHS: Compliant Min Qty: 5 Package Multiple: 5 Lead time: 111 Weeks, 0 Days Container: Ammo Pack | 349 Partner Stock |
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$0.2540 / $0.5000 | Buy Now |
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DISTI #
LM311DT
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Avnet Americas | Comparator, Voltage, 1 Channels, 5 V to 30 V, ?15 V, 8 Pins, SOIC - Tape and Reel (Alt: LM311DT) RoHS: Compliant Min Qty: 10000 Package Multiple: 2500 Lead time: 8 Weeks, 0 Days Container: Reel | 0 |
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$0.0777 / $0.0805 | Buy Now |
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DISTI #
511-LM311DT
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Mouser Electronics | Analog Comparators Single GP Voltage RoHS: Compliant | 12781 |
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$0.1930 / $0.4800 | Buy Now |
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DISTI #
E02:0323_00026179
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Arrow Electronics | Comparator Single ±15V/30V 8-Pin SO N T/R RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 8 Weeks Date Code: 2506 | Europe - 492500 |
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$0.1407 | Buy Now |
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DISTI #
V36:1790_06548494
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Arrow Electronics | Comparator Single ±15V/30V 8-Pin SO N T/R RoHS: Compliant Min Qty: 5000 Package Multiple: 2500 Lead time: 8 Weeks Date Code: 2437 | Americas - 177500 |
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$0.1453 / $0.1947 | Buy Now |
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DISTI #
E54:1762_06543085
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Arrow Electronics | Comparator Single ±15V/30V 8-Pin SO N T/R RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 8 Weeks | Europe - 7500 |
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$0.1341 | Buy Now |
Part Details for LM311DT
LM311DT CAD Models
LM311DT Part Data Attributes
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LM311DT
STMicroelectronics
Buy Now
Datasheet
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Compare Parts:
LM311DT
STMicroelectronics
Voltage comparator with strobe
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| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | STMICROELECTRONICS | |
| Part Package Code | SOIC | |
| Package Description | ROHS COMPLIANT, MICRO, PLASTIC, SOP-8 | |
| Pin Count | 8 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Factory Lead Time | 8 Weeks | |
| Samacsys Manufacturer | STMicroelectronics | |
| 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 | e3 | |
| 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 | |
| Packing Method | TR; TUBE | |
| Peak Reflow Temperature (Cel) | 260 | |
| 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 | Matte Tin (Sn) - annealed | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 1.27 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 3.9 mm |
LM311DT 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 (VCC - 2V to VCC + 0.3V) to ensure proper operation.
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To prevent oscillation, add a small capacitor (e.g., 10nF) between the output and ground, and a pull-up resistor (e.g., 1kΩ) between the output and VCC. This helps to filter out noise and ensure a stable output.
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The LM311DT can detect input voltage differences as small as 1mV, but for reliable operation, it's recommended to have at least 5mV to 10mV of input voltage difference.
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Yes, the LM311DT can be used as a zero-crossing detector. However, it's essential to ensure the input signal is properly biased and the comparator is configured for a valid output. A small hysteresis (e.g., 1mV) can help prevent oscillations.
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The pull-up resistor value depends on the load current and the desired output voltage. A general rule of thumb is to choose a value between 1kΩ and 10kΩ. For example, if the load current is 1mA, a 1kΩ pull-up resistor would be suitable.