main
Ray Set visibility: public 0e7f27e 10d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "opa277m",
  "title": "OPA277M",
  "brief": "HGSEMI Precision Op Amps, 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",
  "tags": [
    "component",
    "amplifiers-comparators",
    "opa277m",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "OPA277M",
    "manufacturer": "HGSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Precision Op Amps",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756657930580041728",
    "parts": {
      "symbol": "opa277m.kicad_sym",
      "footprint": "opa277m.kicad_mod",
      "model_3d": "opa277m-hero.glb",
      "model_3d_plain": "opa277m-etched.glb",
      "model_3d_step": "opa277m-etched.step",
      "model_3d_step_plain": "opa277m.step",
      "lbr": "opa277m.lbr"
    },
    "distributor_links": {
      "lcsc": "C565340"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T16:46:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Offset Trim",
        "type": "passive",
        "description": "Input offset voltage trim pin for nulling the amplifier offset only; leave floating if not used."
      },
      {
        "number": "2",
        "name": "-In",
        "type": "input",
        "description": "Inverting input of the operational amplifier."
      },
      {
        "number": "3",
        "name": "+In",
        "type": "input",
        "description": "Noninverting input of the operational amplifier."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative (lowest) power supply; the device operates from ±2 V to ±16 V (4 V to 32 V total span)."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; can be left floating."
      },
      {
        "number": "6",
        "name": "Output",
        "type": "output",
        "description": "Amplifier output."
      },
      {
        "number": "7",
        "name": "V+",
        "type": "power_in",
        "description": "Positive (highest) power supply; the device operates from ±2 V to ±16 V (4 V to 32 V total span)."
      },
      {
        "number": "8",
        "name": "Offset Trim",
        "type": "passive",
        "description": "Input offset voltage trim pin for nulling the amplifier offset only; leave floating if not used."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet pin table (page 3) does not print a TYPE value for the Offset Trim pins; 'passive' is ; The OPA277M/TR is a single-channel device. Its SOP-8 pinout is taken from the 'Pin Functions: OPA277; Pin 5 is labeled NC in the datasheet. It is listed as unconnected rather than as a power or signal p"
        ],
        "pages_sent": 23,
        "cost_usd": 0.0716,
        "at": "2026-10-18T16:44:13"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756657930580041728",
        "pages": 23,
        "sha256": "7cff3ab2ae68c1e8",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "opa277m.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "opa277m-etched.step",
        "role": "eda",
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        "centre_offset_mm": 0,
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        "sha256": "2770687a6c175b3fca5f726865fe970f55a7bd49f9e683ff231fb555bc5bec9b",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HGSEMI",
      "Package": "SOP-8",
      "Category": "Amplifiers/Comparators",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "7cff3ab2ae68c1e8236faa930c923542cf2a247b47800e5829a78d8f7ee8f46d",
      "rows": [
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          "name": "Supply voltage (absolute maximum)",
          "symbol": "Vs",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 36,
          "conditions": "Vs = (V+) – (V–)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input voltage (absolute maximum, referenced to (V–) and (V+))",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.7,
          "typ": null,
          "max": 0.7,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -20,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Lead temperature, 10 s (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 s",
          "source_page": 6,
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        },
        {
          "name": "Storage temperature (absolute maximum)",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -20,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 6,
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        },
        {
          "name": "ESD, Human-body model (HBM)",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2000,
          "typ": null,
          "max": 2000,
          "conditions": "HBM, per ANSI/ESDA/JEDEC JS-001",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ESD, Charged-device model (CDM)",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -500,
          "typ": null,
          "max": 500,
          "conditions": "CDM, per JEDEC JESD22-C101",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage (recommended operating)",
          "symbol": "Vs",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4,
          "typ": 30,
          "max": 32,
          "conditions": "Vs = (V+) – (V–); printed as 4(±2), 30(±15), 32(±16)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Specified temperature (recommended operating)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -20,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input offset voltage over temperature",
          "symbol": "V0S",
          "kind": "electrical",
          "unit": "µV",
          "min": -250,
          "typ": null,
          "max": 250,
          "conditions": "TA = –20°C to 85°C; All Versions",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input offset voltage (initial)",
          "symbol": "V0S",
          "kind": "electrical",
          "unit": "µV",
          "min": -100,
          "typ": 10,
          "max": 100,
          "conditions": "TA = 25°C, RL = 2 kΩ; typ from Features list, ±100 µV max from family description",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Specified voltage range",
          "symbol": "VS",
          "kind": "electrical",
          "unit": "V",
          "min": 5,
          "typ": null,
          "max": 15,
          "conditions": "printed ±5 ±15; single limit applies over ±5 V to ±15 V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Operating voltage range",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 16,
          "conditions": "printed ±2 ±16",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current, per amplifier",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": 3.5,
          "conditions": "IO = 0; max applies at TA = –20°C to 85°C",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Specified temperature range (electrical)",
          "symbol": "",
          "kind": "electrical",
          "unit": "°C",
          "min": -20,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range (electrical)",
          "symbol": "",
          "kind": "electrical",
          "unit": "°C",
          "min": -20,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance (SOP-8, M)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 110.1,
          "max": null,
          "conditions": "OPA277 M (SOP)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance (SOP-8, M)",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 52.2,
          "max": null,
          "conditions": "OPA277 M (SOP)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance (SOP-8, M)",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 52.3,
          "max": null,
          "conditions": "OPA277 M (SOP)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-top characterization parameter (SOP-8, M)",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 10.4,
          "max": null,
          "conditions": "OPA277 M (SOP)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board characterization parameter (SOP-8, M)",
          "symbol": "ψJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 51.5,
          "max": null,
          "conditions": "OPA277 M (SOP)",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "OPA277M (HGSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}