-
Part Symbol
-
Footprint
-
3D Model
Available Download Formats
By downloading CAD models, you agree to our Terms & Conditions and Privacy Policy
Part Details for LM311DRE4 by Texas Instruments
Results Overview of LM311DRE4 by Texas Instruments
- Distributor Offerings: (1 listing)
- 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.
LM311DRE4 Information
LM311DRE4 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 LM311DRE4
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
|
|
Vyrian | Amplifiers | 8627 |
|
RFQ |
Part Details for LM311DRE4
LM311DRE4 CAD Models
LM311DRE4 Part Data Attributes
|
|
LM311DRE4
Texas Instruments
Buy Now
Datasheet
|
Compare Parts:
LM311DRE4
Texas Instruments
High Speed, 30V, Differential Comparator With Strobes 8-SOIC 0 to 70
|
| 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 | 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 LM311DRE4
This table gives cross-reference parts and alternative options found for LM311DRE4. 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 LM311DRE4, 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 | LM311DRE4 vs LM311DR |
| LM311D | STMicroelectronics | $0.2721 | Voltage comparator with strobe | LM311DRE4 vs LM311D |
| KA311D | Fairchild Semiconductor Corporation | Check for Price | Comparator, 1 Func, 10000uV Offset-Max, 200ns Response Time, BIPolar, PDSO8, SOP-8 | LM311DRE4 vs KA311D |
LM311DRE4 Frequently Asked Questions (FAQ)
-
The LM311DRE4 can operate from -40°C to 125°C, but the maximum junction temperature is 150°C. It's essential to ensure the device stays within the recommended operating temperature range to maintain its performance and reliability.
-
To ensure proper biasing, connect the non-inverting input (pin 3) to a voltage between VCC and VEE, and the inverting input (pin 2) to a voltage between VCC and VEE. The output voltage swing will be limited by the supply voltages, so ensure the output is not driven beyond VCC or VEE.
-
To minimize noise and ensure reliable operation, use a symmetrical layout, keep the input and output traces short, and avoid running digital signals near the analog inputs. Also, use a solid ground plane and decouple the power supplies with capacitors.
-
Yes, you can use the LM311DRE4 as a comparator with hysteresis by adding positive feedback from the output to the non-inverting input. This will create a Schmitt trigger circuit, which can help reduce noise and oscillations.
-
The LM311DRE4 has an open-collector output stage, which means it can sink current but not source it. When driving a load, ensure the load is connected between the output and VCC, and use a pull-up resistor to VCC if necessary. Also, be aware of the output current limitations to avoid overheating the device.