2 layers196 × 176 mm
Overview
The LM311DT is a comparator made by STMicroelectronics in a SOP-8 package with 8 pins. 0℃~+70℃ 1 100nA 200ns 200ns 2mV 36V 5.1mA 5V 6nA TTL、CMOS ±15V SOP-8 Comparators ROHS.
PCBKit's library has its KiCad symbol (Comparator:LM311, from KiCad's library) and its footprint (Package_SO:SOP-8_3.76x4.96mm_P1.27mm, from KiCad's library), ready for a KiCad board. 4,618 are in stock at JLCPCB (part C99381). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Parameters
12- Dual Supply
- ±15V
- Ib - Input Bias Current
- 100nA
- Input Offset Current(Ios)
- 6nA
- Maximum Power Supply Range (Vdd-Vss)
- 36V
- Number of Channels
- Single-channel
- Operating Temperature
- 0℃~+70℃
- Output Mode
- TTL
- Propagation Delay Time
- 200ns
- Quiescent Current
- 5.1mA
- Response Time (tr)
- 200ns
- Single Supply
- 5V
- Vos - Input Offset Voltage
- 2mV
Order codes
1- LM311DTLCSC C99381
Pinout
8| Pin | Name | Type |
|---|---|---|
| 1 | GND | Passive |
| 2 | + | Input |
| 3 | - | Input |
| 4 | V- | Power in |
| 5 | BAL | Input |
| 6 | STRB | Input |
| 7 | — | Open collector |
| 8 | V+ | Power in |
Open-source boards using it
All 1Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/st/LM311DT" title="LM311DT in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/st/LM311DT.jpg" alt="LM311DT" width="1200" height="900">[](https://pcbkit.io/parts/st/LM311DT)Questions
Is there a KiCad symbol and footprint for the LM311DT?
Yes. The symbol is Comparator:LM311 and the footprint Package_SO:SOP-8_3.76x4.96mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LM311DT?
SOP-8, with 8 pins. Its footprint is drawn on this page.
Where is the LM311DT datasheet?
STMicroelectronics publishes it: the Datasheet link on this page opens it.
Where can I order the LM311DT?
JLCPCB lists it as part C99381, with 4,618 in stock; the sellers' links on this page open their listings.
What can replace the LM311DT?
Parts like it in the library: the LM2903DR by UMW, the LM393ADR by UMW, the LM393 by MSKSEMI and the LM393DRG by HANSCHIP semiconductor. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the LM311DT?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8
LM2903DR
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SOP-8-9V~-1V、1V~9V 0℃~+70℃ 1.3us 1.3us 18V 1mV 2 25nA 2V~18V 400uA 5nA DTL、TTL、CMOS、ECL、MOS SOP-8 Comparators ROHSJSMSEMIComparators