main
Ray Set visibility: public b763b39 7d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "hg741cm",
  "title": "HG741CM",
  "brief": "HGSEMI Operational Amplifier, 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",
    "hg741cm",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HG741CM",
    "manufacturer": "HGSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589835446277734400",
    "parts": {
      "symbol": "hg741cm.kicad_sym",
      "footprint": "hg741cm.kicad_mod",
      "model_3d": "hg741cm-hero.glb",
      "model_3d_plain": "hg741cm-etched.glb",
      "model_3d_step": "hg741cm-etched.step",
      "model_3d_step_plain": "hg741cm.step",
      "lbr": "hg741cm.lbr"
    },
    "distributor_links": {
      "lcsc": "C2926357"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T20:53:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OFFSET NULL",
        "type": "passive",
        "description": "Offset null terminal, connected with pin 5 through a 10 kΩ potentiometer whose wiper goes to V- for offset nulling."
      },
      {
        "number": "2",
        "name": "INVERTING INPUT",
        "type": "input",
        "description": "Inverting input; differential input voltage up to ±30V and input voltage ±15V absolute maximum."
      },
      {
        "number": "3",
        "name": "NON-INVERTING INPUT",
        "type": "input",
        "description": "Non-inverting input; differential input voltage up to ±30V and input voltage ±15V absolute maximum."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply voltage (ground in single-supply use); supply voltage rated up to ±22V, and the wiper of the offset-null potentiometer connects here."
      },
      {
        "number": "5",
        "name": "OFFSET NULL",
        "type": "passive",
        "description": "Offset null terminal, connected with pin 1 through a 10 kΩ potentiometer whose wiper goes to V- for offset nulling."
      },
      {
        "number": "6",
        "name": "OUTPUT",
        "type": "output",
        "description": "Amplifier output with overload protection and continuous short-circuit duration; short-circuit current typically 25 mA at 25°C."
      },
      {
        "number": "7",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply voltage; supply voltage rated up to ±22V."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The connection diagram is shared by DIP8/SOP8/MSOP8, so the SOP-8 pinout is taken from it. The datas",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 7,
        "cost_usd": 0.1799,
        "at": "2026-10-20T20:51:06"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589835446277734400",
        "pages": 7,
        "sha256": "2e9b73dccf83701f",
        "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": [
      {
        "file": "hg741cm.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": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hg741cm-etched.step",
        "role": "eda",
        "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": "3a2a5e656992bd59068583b55afaaf9317620281824747042fcdde32f9d92524",
        "checked": "2026-10-20",
        "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": "2e9b73dccf83701fd003ec5ebc3e72287803cfcd59e6f33fbf36d5a4d2fd4299",
      "rows": [
        {
          "name": "Supply Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -22,
          "typ": null,
          "max": 22,
          "conditions": "Printed as ±22V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Differential Input Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "Printed as ±30V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -15,
          "typ": null,
          "max": 15,
          "conditions": "Printed as ±15V; Note 3: for supplies below ±15V the limit equals the supply voltage",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "Note 2: derate using θjA and Tj max",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "˚C",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "HG741 (non-A variant)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "˚C",
          "min": 0,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "˚C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Tolerance",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "Note 7 (as printed)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Soldering Temperature, M-Package Vapor Phase",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "˚C",
          "min": null,
          "typ": null,
          "max": 215,
          "conditions": "M-Package Vapor Phase, 60 seconds",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Soldering Temperature, M-Package Infrared",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "˚C",
          "min": null,
          "typ": null,
          "max": 215,
          "conditions": "M-Package Infrared, 15 seconds",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "mW",
          "min": null,
          "typ": 2,
          "max": 6,
          "conditions": "TA=25˚C, RS≤10KΩ (HG741 column)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "mW",
          "min": null,
          "typ": 0.8,
          "max": 3,
          "conditions": "TA=25˚C, RS≤50Ω (HG741 column)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 20,
          "max": 200,
          "conditions": "TA=25˚C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "TAMIN≤TA≤TAMAX",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Bias Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 80,
          "max": 500,
          "conditions": "TA=25˚C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Short Circuit Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "TA=25˚C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.7,
          "max": 2.8,
          "conditions": "TA=25˚C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Slew Rate",
          "symbol": "",
          "kind": "electrical",
          "unit": "V/µs",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "TA=25˚C, Unity Gain",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction to Ambient Thermal Resistance (SOP-8(M))",
          "symbol": "θjA",
          "kind": "thermal",
          "unit": "˚C/W",
          "min": null,
          "typ": 195,
          "max": null,
          "conditions": "SOP-8(M) package, junction to ambient",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "hg741cm"
  ],
  "discovery_pitch": "HG741CM (HGSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "hg741cm.kicad_sym",
    "hg741cm.kicad_mod",
    "hg741cm.glb",
    "hg741cm.step",
    "hg741cm.lbr",
    "docs/hero.png",
    "docs/hg741cm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "hg741cm-hero.glb",
    "hg741cm-hero.overlay.json",
    "hg741cm-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}