component
LM311M
Public Made by Adomby adom
HGSEMI Comparators, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "LM311M",
"brief": "HGSEMI Comparators, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
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"category": "Amplifiers/Comparators",
"subcategory": "Comparators",
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"lcsc": "C434495",
"digikey": "LM311MFS-ND"
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"name": "GND",
"type": "power_in",
"description": "Ground pin; the output can be referenced to ground, and the ground-to-VEE voltage is limited to 30 Vdc maximum."
},
{
"number": "2",
"name": "IN+",
"type": "input",
"description": "Non-inverting comparator input; input voltage rating is 15 Vdc with ±15V supplies and differential input voltage is limited to 30 Vdc."
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{
"number": "3",
"name": "IN-",
"type": "input",
"description": "Inverting comparator input; input voltage rating is 15 Vdc with ±15V supplies and differential input voltage is limited to 30 Vdc."
},
{
"number": "4",
"name": "VEE",
"type": "power_in",
"description": "Negative supply; total VCC+VEE is limited to 36 Vdc and the output may swing up to 40 Vdc (LM311) above VEE."
},
{
"number": "5",
"name": "BALANCE",
"type": "passive",
"description": "Offset balance pin used to trim input offset voltage."
},
{
"number": "6",
"name": "BALANCE/STROBE",
"type": "input",
"description": "Shared balance/strobe pin; strobe voltage is limited to VCC to VCC-5 and it must not be grounded directly but driven with 3 mA to 5 mA."
},
{
"number": "7",
"name": "OUTPUT",
"type": "output",
"description": "Open-collector output that can switch up to 40 Vdc above VEE (LM311) and sink 50 mA."
},
{
"number": "8",
"name": "VCC",
"type": "power_in",
"description": "Positive supply; operates from a single 5V to 30V supply or ±15V dual supplies, with VCC+VEE limited to 36 Vdc."
}
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"extractor flagged: The datasheet orders LM311M/TR in SOP-8; the pinout figure is shared across DIP-8/SOP-8/MSOP-8. Pins",
"vision extraction: provenance cannot be text-verified; needs consensus"
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"cost_usd": 0.2374,
"at": "2026-10-18T11:13:15"
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"pages": 10,
"sha256": "061ce243af0d55f4",
"source_tier": "lcsc"
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"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 8,
"described": 8,
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"refuses_to_fabricate": true
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"metadata": {
"specs": {
"Manufacturer": "HGSEMI",
"Package": "SOP-8",
"Category": "Amplifiers/Comparators",
"Pins": "8"
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"source": "datasheet",
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"rows": [
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"name": "Input offset voltage",
"symbol": "VIO",
"kind": "tolerance",
"unit": "mV",
"min": null,
"typ": 2,
"max": 7.5,
"conditions": "RS ≤ 50 kΩ, TA = +25℃",
"source_page": 4,
"source": "datasheet"
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{
"name": "Input offset voltage over temperature",
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"kind": "tolerance",
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"min": null,
"typ": null,
"max": 10,
"conditions": "RS ≤ 50 kΩ, Tlow ≤ TA ≤ Thigh",
"source_page": 4,
"source": "datasheet"
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{
"name": "Input offset current",
"symbol": "IIO",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": 1.7,
"max": 50,
"conditions": "TA = +25℃",
"source_page": 4,
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{
"name": "Input offset current over temperature",
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{
"name": "Input bias current",
"symbol": "IIB",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": 45,
"max": 250,
"conditions": "TA = +25℃",
"source_page": 4,
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{
"name": "Input bias current over temperature",
"symbol": "IIB",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
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"conditions": "Tlow ≤ TA ≤ Thigh",
"source_page": 4,
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},
{
"name": "Voltage gain",
"symbol": "AV",
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"unit": "V/mV",
"min": 40,
"typ": 200,
"max": null,
"conditions": "",
"source_page": 4,
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{
"name": "Positive supply current",
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"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 2.4,
"max": 7.5,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Negative supply current",
"symbol": "IEE",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": -1.3,
"max": -5,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Total supply voltage (VCC+VEE)",
"symbol": "VCC+VEE",
"kind": "absolute_maximum",
"unit": "Vdc",
"min": null,
"typ": null,
"max": 36,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output to negative supply voltage",
"symbol": "VO - VEE",
"kind": "absolute_maximum",
"unit": "Vdc",
"min": null,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 3,
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{
"name": "Ground to negative supply voltage",
"symbol": "VEE",
"kind": "absolute_maximum",
"unit": "Vdc",
"min": null,
"typ": null,
"max": 30,
"conditions": "",
"source_page": 3,
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{
"name": "Input differential voltage",
"symbol": "VID",
"kind": "absolute_maximum",
"unit": "Vdc",
"min": null,
"typ": null,
"max": 30,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input voltage",
"symbol": "Vin",
"kind": "absolute_maximum",
"unit": "Vdc",
"min": null,
"typ": null,
"max": 15,
"conditions": "",
"source_page": 3,
"source": "datasheet"
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{
"name": "Operating ambient temperature",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "℃",
"min": 0,
"typ": null,
"max": 70,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Storage / operating junction temperature range (printed as Tstg)",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "℃",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Lead temperature (soldering)",
"symbol": "TLEAD",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 260,
"conditions": "Soldering, 10 s",
"source_page": 3,
"source": "datasheet"
}
]
}
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"email": "[email protected]"
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