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Product InformationFeatures
Description
The LM111, LM211, and LM311 are single high-speed voltage comparators. These devices are designed to operate from a wide range of power-supply voltages, including ±15-V supplies for operational amplifiers and 5-V supplies for logic systems. The output levels are compatible with most TTL and MOS circuits. These comparators are capable of driving lamps or relays and switching voltages up to 50 V at 50 mA. All inputs and outputs can be isolated from system ground. The outputs can drive loads referenced to ground, VCC+ or VCC–. Offset balancing and strobe capabilities are available, and the outputs can be wire-OR connected. If the strobe is low, the output is in the off state, regardless of the differential input. |
| Price | Packaging | CAD Design Tools | Samples | |||||||
| Device | Status | Temp (oC) | Replaced By | Price | Quantity | Package | Pins | Top Side Marking | Package QTY | Package Carrier | Symbols | Footprints | Samples |
| LM311D | ACTIVE | 0 to 70 | 0.20 | 1ku | SOIC (D) | 8 | View | 75 | TUBE | Purchase Samples | |||
| LM311DE4 | ACTIVE | 0 to 70 | 0.20 | 1ku | SOIC (D) | 8 | View | 75 | TUBE | Purchase Samples | |||
| LM311DG4 | ACTIVE | 0 to 70 | 0.20 | 1ku | SOIC (D) | 8 | View | 75 | TUBE | Purchase Samples | |||
| LM311DR | ACTIVE | 0 to 70 | 0.18 | 1ku | SOIC (D) | 8 | View | 2500 | LARGE T&R | Contact TI Distributor or Sales Office | |||
| LM311DRE4 | ACTIVE | 0 to 70 | 0.18 | 1ku | SOIC (D) | 8 | View | 2500 | LARGE T&R | Contact TI Distributor or Sales Office | |||
| LM311DRG4 | ACTIVE | 0 to 70 | 0.18 | 1ku | SOIC (D) | 8 | View | 2500 | LARGE T&R | Contact TI Distributor or Sales Office | |||
| LM311P | ACTIVE | 0 to 70 | 0.18 | 1ku | PDIP (P) | 8 | View | 50 | TUBE | Contact TI Distributor or Sales Office | |||
| LM311PE4 | ACTIVE | 0 to 70 | 0.18 | 1ku | PDIP (P) | 8 | View | 50 | TUBE | Contact TI Distributor or Sales Office | |||
| LM311PSR | ACTIVE | 0 to 70 | 0.23 | 1ku | SO (PS) | 8 | View | 2000 | LARGE T&R | Purchase Samples | |||
| LM311PSRE4 | ACTIVE | 0 to 70 | 0.23 | 1ku | SO (PS) | 8 | View | 2000 | LARGE T&R | Purchase Samples | |||
| LM311PSRG4 | ACTIVE | 0 to 70 | 0.23 | 1ku | SO (PS) | 8 | View | 2000 | LARGE T&R | Purchase Samples | |||
| LM311PW | ACTIVE | 0 to 70 | 0.18 | 1ku | TSSOP (PW) | 8 | View | 150 | TUBE | Purchase Samples | |||
| LM311PWE4 | ACTIVE | 0 to 70 | 0.18 | 1ku | TSSOP (PW) | 8 | View | 150 | TUBE | Purchase Samples | |||
| LM311PWG4 | ACTIVE | 0 to 70 | 0.18 | 1ku | TSSOP (PW) | 8 | View | 150 | TUBE | Purchase Samples | |||
| LM311PWLE | OBSOLETE | LM311PWR | TSSOP (PW) | 8 | View | Replaced by LM311PWR | |||||
| LM311PWR | ACTIVE | 0 to 70 | 0.18 | 1ku | TSSOP (PW) | 8 | View | 2000 | LARGE T&R | Contact TI Distributor or Sales Office | |||
| LM311PWRE4 | ACTIVE | 0 to 70 | 0.18 | 1ku | TSSOP (PW) | 8 | View | 2000 | LARGE T&R | Contact TI Distributor or Sales Office | |||
| LM311PWRG4 | ACTIVE | 0 to 70 | 0.18 | 1ku | TSSOP (PW) | 8 | View | 2000 | LARGE T&R | Contact TI Distributor or Sales Office | |||
| LM311Y | OBSOLETE | DIESALE (Y) | 0 | Not Available | |||||||
* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.
| Reported Distributor Inventory as of 11:58 AM GMT, 26 Nov 2009 | |||
| Region | Company | In Stock | Purchase |
| TI Lead Time*: 20 WeeksLM311D | |||
| Americas | Arrow | >1k | |
| Newark | >1k | ||
| Rochester Electronics | >1k | ||
| Asia | Farnell Asia | 657 | |
| WPI | 75 | ||
| Europe | Abacus Polar | 724 | |
| Arrow Northern Europe | 39 | ||
| Avnet-SILICA | 36 | ||
| Farnell | 284 | ||
| Worldwide | DigiKey | 20 | |
| Mouser Electronics | 2 | ||
| TI Lead Time*: 20 WeeksLM311DE4 | |||
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 20 WeeksLM311DG4 | |||
| Europe | EBV Elektronik | >1k | |
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 20 WeeksLM311DR | |||
| Americas | Arrow | >1k | |
| Rochester Electronics | >1k | ||
| Asia | WPI | >1k | |
| Europe | Arrow Southern Europe | >1k | |
| Avnet-SILICA | >1k | ||
| Compel | 1 | ||
| EBV Elektronik | 90 | ||
| Worldwide | DigiKey | >1k | |
| TI Lead Time*: 20 WeeksLM311DRE4 | |||
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 20 WeeksLM311DRG4 | |||
| Europe | EBV Elektronik | >1k | |
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 20 WeeksLM311P | |||
| Americas | Newark | >1k | |
| Rochester Electronics | >1k | ||
| Asia | Farnell Asia | 640 | |
| Europe | Abacus Polar | >1k | |
| Arrow Northern Europe | >1k | ||
| Avnet-SILICA | >1k | ||
| Compel | 810 | ||
| EBV Elektronik | >1k | ||
| Farnell | 378 | ||
| Spoerle | >1k | ||
| Worldwide | DigiKey | 755 | |
| Mouser Electronics | >1k | ||
| TI Lead Time*: 20 WeeksLM311PE4 | |||
| Americas | Avnet | >1k | |
| Worldwide | DigiKey | Available | |
| Mouser Electronics | >1k | ||
| TI Lead Time*: 15 WeeksLM311PSR | |||
| Americas | Rochester Electronics | >1k | |
| TI Lead Time*: 15 WeeksLM311PSRE4 | |||
| None Reported View Distributors | |||
| TI Lead Time*: 15 WeeksLM311PSRG4 | |||
| None Reported View Distributors | |||
| TI Lead Time*: 20 WeeksLM311PW | |||
| Europe | Avnet-SILICA | >1k | |
| EBV Elektronik | >1k | ||
| Worldwide | Mouser Electronics | >1k | |
| TI Lead Time*: 20 WeeksLM311PWE4 | |||
| None Reported View Distributors | |||
| TI Lead Time*: 20 WeeksLM311PWG4 | |||
| None Reported View Distributors | |||
| Call**LM311PWLE | |||
| Americas | Rochester Electronics | >1k | |
| TI Lead Time*: 20 WeeksLM311PWR | |||
| Americas | Rochester Electronics | >1k | |
| TI Lead Time*: 20 WeeksLM311PWRE4 | |||
| None Reported View Distributors | |||
| TI Lead Time*: 20 WeeksLM311PWRG4 | |||
| None Reported View Distributors | |||
** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.
| Product Content | DPPM / MTBF / FIT Rate | ||||
| Device | Eco Plan* | Lead / Ball Finish | MSL Rating / Peak Reflow | Details | Details |
LM311D  | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| LM311DE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| LM311DG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| LM311DR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| LM311DRE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| LM311DRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| LM311P | Pb-Free (RoHS) | CU NIPDAU | N/A for Pkg Type | View | View |
| LM311PE4 | Pb-Free (RoHS) | CU NIPDAU | N/A for Pkg Type | View | View |
| LM311PSR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| LM311PSRE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| LM311PSRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| LM311PW | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| LM311PWE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| LM311PWG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| LM311PWR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| LM311PWRE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| LM311PWRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.
If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.
Most useful technical documents for LM311 
| Name | Part # | Company | Tool / Software Type |
| SPICE-Based Analog Simulation Program | TINA-TI | Texas Instruments | Simulators |
| MDACBufferPro(TM) Output Buffer Amplifier Selection Tool | MDACBUFFERPRO | Texas Instruments | Application Software |
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