main
Ray Set visibility: public dd2b1f4 8d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "cbm2903as8",
  "title": "CBM2903AS8",
  "brief": "Corebai Microelectronics 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",
  "tags": [
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    "amplifiers-comparators",
    "cbm2903as8",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CBM2903AS8",
    "manufacturer": "Corebai Microelectronics",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Comparators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590223833916874752",
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      "lbr": "cbm2903as8.lbr"
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    "distributor_links": {
      "lcsc": "C476366"
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      "checked_at": "2026-10-19T05:53:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
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    "pins": [
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        "description": "Comparator 1 output; sinks at least 6.0 mA at VCC=5.0V and is open-collector style with output leakage up to 1000 nA, so unused outputs must be left open."
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      {
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      {
        "number": "3",
        "name": "IN1(+)",
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      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground, or negative supply when operated from split supplies."
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      {
        "number": "5",
        "name": "IN2(+)",
        "type": "input",
        "description": "Comparator 2 non-inverting input; common mode range is 0 to VCC-2.0V and the input should be kept within GND to VCC."
      },
      {
        "number": "6",
        "name": "IN2(-)",
        "type": "input",
        "description": "Comparator 2 inverting input; common mode range is 0 to VCC-2.0V and the input should be kept within GND to VCC."
      },
      {
        "number": "7",
        "name": "OUT2",
        "type": "output",
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      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply, 5.0 to 30 V single supply (±2.5 to ±15 V split) with an absolute maximum of 36 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "primary_model": "claude-sonnet-5-5",
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        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "pages_sent": 6,
        "cost_usd": 0.1552,
        "at": "2026-10-19T05:52:50"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590223833916874752",
        "pages": 6,
        "sha256": "7eccb850618fe502",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "seat": "z = 0",
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        "centre_offset_mm": 0,
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        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-19",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Corebai Microelectronics",
      "Package": "SOP-8",
      "Category": "Amplifiers/Comparators",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "7eccb850618fe50260446edda887c8f3a15a832057b63c722f2b176226b5bcee",
      "rows": [
        {
          "name": "Input Offset Voltage",
          "symbol": "VIO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 5,
          "max": 9,
          "conditions": "V0=1.4V, VCC=5.0-30V, RS≤100Ω, VICR=0V-(VCC-1.5)V; typ value marked * (@25℃)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Bias Current",
          "symbol": "IIB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "V0=1.4V, VCC=5.0-30V, VICR=0V-(VCC-1.5)V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Current",
          "symbol": "IIO",
          "kind": "electrical",
          "unit": "nA",
          "min": -150,
          "typ": 50,
          "max": 150,
          "conditions": "V0=1.4V, VCC=5.0-30V, VICR=0V-(VCC-1.5)V; typ marked * (@25℃)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Common Mode Voltage Range",
          "symbol": "VICR",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "VCC=5.0-30V; maximum printed as VCC-2.0V (not a fixed number)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": 2.5,
          "conditions": "RL=∞, VCC=5.0V and RL=∞, VCC=30V; typ and max marked * (@25℃ for starred values)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Sink Current",
          "symbol": "Isink",
          "kind": "electrical",
          "unit": "mA",
          "min": 6,
          "typ": null,
          "max": null,
          "conditions": "VI(-)=1.0V, VI(+)=0V, V0≤1.5V, VCC=5.0V; min marked * (@25℃)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Saturation Voltage",
          "symbol": "Vsat",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 700,
          "conditions": "VI(-)=1.0V, VI(+)=0V, Isink≤4.0mA, VCC=5.0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Leakage Current",
          "symbol": "IOL",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 0.1,
          "max": 1000,
          "conditions": "VI(+)=1.0V, VI(-)=0V, V0=5.0V; V0=30V; typ marked * (@25℃)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Voltages, Single Supply",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 36,
          "conditions": "Single supply",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Voltages, Split Supplies",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -18,
          "typ": null,
          "max": 18,
          "conditions": "Split supplies (printed ±18V)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Differential Voltage Range",
          "symbol": "VIDR",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 36,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Common Mode Voltage Range",
          "symbol": "VICR",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Maximum printed as VCC; Note 1: split power supplies",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Current, per pin",
          "symbol": "IIN",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "Per pin; Note 2: VIN<-0.3V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature, Plastic Packages",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "Plastic packages",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "1mm from case for 10 seconds",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation, Plastic Package",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 570,
          "conditions": "TA=25℃, plastic package",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation Derating",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW/℃",
          "min": null,
          "typ": 5.7,
          "max": null,
          "conditions": "Derate above 25℃, plastic package",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Supply Voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 30,
          "conditions": "Printed as ±2.5 or 5.0 (min) and ±15 or 30 (max); Ta=-40~85℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature, All Package Types",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "All package types",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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