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Part Details for LM311DG4 by Texas Instruments
Results Overview of LM311DG4 by Texas Instruments
- Distributor Offerings: (2 listings)
- Number of FFF Equivalents: (2 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.
LM311DG4 Information
LM311DG4 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.
Price & Stock for LM311DG4
| Part # | Distributor | Description | Stock | Price | Buy | |
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Bristol Electronics | 67 |
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RFQ | ||
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Vyrian | Amplifiers | 1330 |
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RFQ |
Part Details for LM311DG4
LM311DG4 CAD Models
LM311DG4 Part Data Attributes
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LM311DG4
Texas Instruments
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Datasheet
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LM311DG4
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 | 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 | 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) | NOT SPECIFIED | |
| Width | 3.9 mm |
Alternate Parts for LM311DG4
This table gives cross-reference parts and alternative options found for LM311DG4. 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 LM311DG4, 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 | STMicroelectronics | $0.2721 | Voltage comparator with strobe | LM311DG4 vs LM311D |
| LM311DR2 | onsemi | Check for Price | Comparator, Single, SOIC-8 Narrow Body, 2500-REEL | LM311DG4 vs LM311DR2 |
LM311DG4 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 rail, and a small resistor (e.g., 1kΩ) in series with the output to the load.
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The minimum input voltage required is 1.5V, but it's recommended to operate the comparator with a minimum of 2V to ensure proper operation.
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No, the LM311DG4 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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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, but it's recommended to consult the datasheet and perform calculations based on the specific application.