GS8558-SR

{
  "schema_version": 1,
  "type": "component",
  "slug": "gs8558-sr",
  "title": "GS8558-SR",
  "brief": "Gainsil Precision Op Amps, SOIC-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",
    "gs8558-sr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "GS8558-SR",
    "manufacturer": "Gainsil",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Precision Op Amps",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589808183436222464",
    "parts": {
      "symbol": "gs8558-sr.kicad_sym",
      "footprint": "gs8558-sr.kicad_mod",
      "model_3d": "gs8558-sr-hero.glb",
      "model_3d_plain": "gs8558-sr.glb",
      "model_3d_step": "gs8558-sr-etched.step",
      "model_3d_step_plain": "gs8558-sr.step",
      "lbr": "gs8558-sr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2978613"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T00:29:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUTA",
        "type": "output",
        "description": "Channel A amplifier output with rail-to-rail swing."
      },
      {
        "number": "2",
        "name": "INA-",
        "type": "input",
        "description": "Channel A inverting input; common-mode range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V)."
      },
      {
        "number": "3",
        "name": "INA+",
        "type": "input",
        "description": "Channel A non-inverting input; common-mode range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V)."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Negative supply (ground in single-supply operation); in dual-supply operation bypass with a 0.1uF ceramic capacitor."
      },
      {
        "number": "5",
        "name": "INB+",
        "type": "input",
        "description": "Channel B non-inverting input; common-mode range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V)."
      },
      {
        "number": "6",
        "name": "INB-",
        "type": "input",
        "description": "Channel B inverting input; common-mode range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V)."
      },
      {
        "number": "7",
        "name": "OUTB",
        "type": "output",
        "description": "Channel B amplifier output with rail-to-rail swing."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply, 2.5V to 5.5V (abs max 7.5V between VDD and VSS); bypass with a 0.1uF ceramic capacitor placed close to the pin."
      }
    ],
    "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 datasheet calls the package SOP-8 (GS8558-SR); it is mapped to the SOIC-8 hint. Pinout comes fro",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 15,
        "cost_usd": 0.243,
        "at": "2026-10-10T00:27:14"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589808183436222464",
        "pages": 15,
        "sha256": "795e6422bca43143",
        "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": "gs8558-sr.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": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gs8558-sr-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": "b54ba1ba0bff58578626d984e34d8f6502e592ab9037607e23fbc11e15577184",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Gainsil",
      "Package": "SOIC-8",
      "Category": "Amplifiers/Comparators",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "795e6422bca43143",
      "rows": [
        {
          "name": "Input Offset Voltage",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "μV",
          "min": -5,
          "typ": 1,
          "max": 5,
          "conditions": "VCM = VS/2",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Common-Mode Rejection Ratio",
          "symbol": "CMRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 100,
          "typ": 120,
          "max": null,
          "conditions": "VS = 5V, VCM = -0.1V to 5.1V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Open-Loop Voltage Gain",
          "symbol": "AOL",
          "kind": "electrical",
          "unit": "dB",
          "min": 100,
          "typ": 130,
          "max": null,
          "conditions": "Vs=5V, RL = 10kΩ, VCM = -0.1V to 5.1V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Common-Mode Voltage Range",
          "symbol": "VCM",
          "kind": "electrical",
          "unit": "V",
          "min": -0.1,
          "typ": null,
          "max": 5.6,
          "conditions": "VS = 5.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Voltage Drift",
          "symbol": "ΔVOS/ΔT",
          "kind": "electrical",
          "unit": "μV/℃",
          "min": null,
          "typ": 0.027,
          "max": 0.13,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Swing from Rail, high",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.99,
          "typ": 4.998,
          "max": null,
          "conditions": "Vs=5V, RL = 100kΩ",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Swing from Rail, low",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 1,
          "max": 10,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Swing from Rail, high",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.95,
          "typ": 4.98,
          "max": null,
          "conditions": "Vs=5V, RL = 10kΩ",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Swing from Rail, low",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 30,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Voltage Range",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 100,
          "typ": 120,
          "max": null,
          "conditions": "VS = +2.5V to +5.5V, VCM = +0.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Current / Amplifier",
          "symbol": "IQ_SD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 1,
          "max": 5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Voltage (VDD to Vss)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 7.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "PDB Input Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 160,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "soldering, 10sec",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Susceptibility HBM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Susceptibility MM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance, SOP-8",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 125,
          "max": null,
          "conditions": "TA=+25℃",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
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  "discovery_triggers": [
    "gs8558-sr"
  ],
  "discovery_pitch": "GS8558-SR (Gainsil) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  "visibility": {
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}