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The LM111, LM211, LM311 are voltage comparators that have low input currents.
They are also designed to operate over a wide range of supply voltages: from standard ±15V operational amplifier supplies down to the single +5V supply used for IC logic.
Their output is compatible with RTL-DTL and TTL as well as MOS circuits and can switch voltages up to +50V at output currents as high as 50mA.Key Features
- Output current: 50mA
- Maximum input current: 150nA
- Differential input voltage range: ±30V
- Maximum offset current: 20nA
- Supply voltage: +5V to ±15V
- Power consumption:135mW at ±15V
All tools & software
All resources
Product Specifications (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 19 Sep 2016 |
19 Sep 2016
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Application Notes (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 22 Sep 2015 |
22 Sep 2015
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User Manuals (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 27 Jun 2017 |
27 Jun 2017
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Presentations (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 25 Mar 2020 |
25 Mar 2020
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Selection Guides (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 25 Oct 2016 |
25 Oct 2016
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Brochures (3)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 18 Dec 2020 |
18 Dec 2020
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| 26 Aug 2019 |
26 Aug 2019
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| 26 Nov 2020 |
26 Nov 2020
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EDA Symbols, Footprints and 3D Models
STMicroelectronics - LM311
Speed up your design by downloading all the EDA symbols, footprints and 3D models for your application. You have access to a large number of CAD formats to fit with your design toolchain.
Symbols
Footprints
3D models
Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| LM311D |
Active
|
SO-8 | Industrial | Ecopack3 | |
| LM311DT |
Active
|
SO-8 | Industrial | Ecopack3 |
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
Sample & Buy
| Part Number | Order from Distributors | Order from ST | Marketing Status | ECCN (US) | ECCN (EU) | Packing Type | Package | Temperature (°C) | Country of Origin | Budgetary Price (US$)*/Qty | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||
| LM311DT | 11 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SO-8 | 0 | 70 | MOROCCO | 0.15 / 1k | |
| LM311D | 6 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tube | SO-8 | 0 | 70 | MOROCCO | 0.18 / 1k | |
(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
