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Ray Set visibility: public 1e96177 8d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "cbm27gs8",
  "title": "CBM27GS8",
  "brief": "Corebai Microelectronics 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",
    "cbm27gs8",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CBM27GS8",
    "manufacturer": "Corebai Microelectronics",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Precision Op Amps",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588904477840068608",
    "parts": {
      "symbol": "cbm27gs8.kicad_sym",
      "footprint": "cbm27gs8.kicad_mod",
      "model_3d": "cbm27gs8-hero.glb",
      "model_3d_plain": "cbm27gs8-etched.glb",
      "model_3d_step": "cbm27gs8-etched.step",
      "model_3d_step_plain": "cbm27gs8.step",
      "lbr": "cbm27gs8.lbr"
    },
    "distributor_links": {
      "lcsc": "C476314"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T17:15:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TRIM",
        "type": "passive",
        "description": "Input offset voltage trim pin, which gives an adjustment range of ±4.0 mV with a 10 kΩ potentiometer (Rp)."
      },
      {
        "number": "2",
        "name": "-IN",
        "type": "input",
        "description": "Inverting input of the op amp, with an input voltage range of ±11.0 V min at VS=±15 V."
      },
      {
        "number": "3",
        "name": "+IN",
        "type": "input",
        "description": "Non-inverting input of the op amp, with an input voltage range of ±11.0 V min at VS=±15 V."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply, where the total supply (V+ to V-) must be between 8 V (±4 V) and 44 V (±22 V) in the absolute maximum ratings."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "Op amp output, which swings ±10.0 V min into a 600 Ω load at VS=±15 V."
      },
      {
        "number": "7",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply, where the total supply (V+ to V-) must be between 8 V (±4 V) and 44 V (±22 V) in the absolute maximum ratings."
      },
      {
        "number": "8",
        "name": "TRIM",
        "type": "passive",
        "description": "Input offset voltage trim pin, which gives an adjustment range of ±4.0 mV with a 10 kΩ potentiometer (Rp)."
      }
    ],
    "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 pin-number-to-name mapping was reconstructed from garbled text extraction of the page 3 pin diag; The text contains 'V￾TRIM' as a single garbled token, so it is unclear whether pin 5 is a second TRI; Pin 8 is labeled NC only by inference from the listing order; no pin-level description is given in t"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0356,
        "at": "2026-10-20T17:13:33"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588904477840068608",
        "pages": 7,
        "sha256": "bea45bf49c1b5b8f",
        "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": "cbm27gs8.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": "cbm27gs8-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.9,
          1.75
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9e29385f6854d810daa035f2818eee924c74e865eb33f579841a36179cb15d0d",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Corebai Microelectronics",
      "Package": "SOIC-8",
      "Category": "Amplifiers/Comparators",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "bea45bf49c1b5b8f9b0ad973a40be532eae7c318498e8581caa0c75fa01aed64",
      "rows": [
        {
          "name": "Input offset voltage",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "μV",
          "min": null,
          "typ": 30,
          "max": 100,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input offset voltage drift",
          "symbol": "TCVOS",
          "kind": "temperature_coefficient",
          "unit": "μV/°C",
          "min": null,
          "typ": 0.4,
          "max": 1.9,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input offset current",
          "symbol": "IOS",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 10,
          "max": 75,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input offset voltage adjustment range",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": -4,
          "typ": null,
          "max": 4,
          "conditions": "Rp=10kΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input bias current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 15,
          "max": 80,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input voltage range",
          "symbol": "IVR",
          "kind": "electrical",
          "unit": "V",
          "min": 11,
          "typ": 12.2,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Common-mode rejection ratio",
          "symbol": "CMRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 110,
          "typ": 125,
          "max": null,
          "conditions": "VCM=±11.0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Large-signal voltage gain",
          "symbol": "AVO",
          "kind": "electrical",
          "unit": "V/mV",
          "min": 700,
          "typ": 1500,
          "max": null,
          "conditions": "RL≥2KΩ,Vo=±10V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Large-signal voltage gain",
          "symbol": "AVO",
          "kind": "electrical",
          "unit": "V/mV",
          "min": 600,
          "typ": 1500,
          "max": null,
          "conditions": "RL≥600Ω,Vo=±11V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output voltage range",
          "symbol": "Vo",
          "kind": "electrical",
          "unit": "V",
          "min": 11,
          "typ": 13.3,
          "max": null,
          "conditions": "RL ≥2KΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output voltage range",
          "symbol": "Vo",
          "kind": "electrical",
          "unit": "V",
          "min": 10,
          "typ": 12,
          "max": null,
          "conditions": "RL ≥600Ω",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input noise voltage, peak-to-peak",
          "symbol": "en p-p",
          "kind": "electrical",
          "unit": "μV p-p",
          "min": null,
          "typ": 0.1,
          "max": 0.25,
          "conditions": "0.1Hz~10Hz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input noise voltage density",
          "symbol": "en",
          "kind": "electrical",
          "unit": "nV/√Hz",
          "min": null,
          "typ": 3.8,
          "max": 8,
          "conditions": "fo=10Hz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input noise voltage density",
          "symbol": "en",
          "kind": "electrical",
          "unit": "nV/√Hz",
          "min": null,
          "typ": 3.3,
          "max": 6,
          "conditions": "fo=30Hz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input noise voltage density",
          "symbol": "en",
          "kind": "electrical",
          "unit": "nV/√Hz",
          "min": null,
          "typ": 3.1,
          "max": 5,
          "conditions": "fo=1000Hz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input noise current density",
          "symbol": "in",
          "kind": "electrical",
          "unit": "pA/√Hz",
          "min": null,
          "typ": 1.8,
          "max": 4,
          "conditions": "fo=10Hz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input noise current density",
          "symbol": "in",
          "kind": "electrical",
          "unit": "pA/√Hz",
          "min": null,
          "typ": 1.1,
          "max": 2.5,
          "conditions": "fo=30Hz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input noise current density",
          "symbol": "in",
          "kind": "electrical",
          "unit": "pA/√Hz",
          "min": null,
          "typ": 0.5,
          "max": 0.7,
          "conditions": "fo=1000Hz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Gain bandwidth product",
          "symbol": "GBW",
          "kind": "electrical",
          "unit": "MHz",
          "min": 5,
          "typ": 8,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output slew rate",
          "symbol": "SR",
          "kind": "electrical",
          "unit": "V/us",
          "min": 1.7,
          "typ": 2.8,
          "max": null,
          "conditions": "RL≥2KΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power supply rejection ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 95,
          "typ": 120,
          "max": null,
          "conditions": "VS=±4V~±18V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power consumption",
          "symbol": "Pd",
          "kind": "electrical",
          "unit": "mW",
          "min": null,
          "typ": 105,
          "max": 175,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage (V+ to V-)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 8,
          "typ": null,
          "max": 44,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Soldering temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "10 s soldering time",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to case",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 43,
          "max": null,
          "conditions": "SOP8, package outer surface",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 158,
          "max": null,
          "conditions": "SOP8, package printed circuit board",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cbm27gs8"
  ],
  "discovery_pitch": "CBM27GS8 (Corebai Microelectronics) 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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    "cbm27gs8.step",
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    "docs/hero.png",
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    "viewers/footprint.html",
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    "cbm27gs8-etched.glb"
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  "visibility": {
    "public": true
  }
}