main
Ray Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout") 75f3141 11d ago
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  "title": "GS4558-SR",
  "brief": "Gainsil Operational Amplifier, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
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    "subcategory": "Operational Amplifier",
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    "pins": [
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        "number": "1",
        "name": "OUTPUT 1",
        "type": "output",
        "description": "Output of amplifier 1. Typical output resistance 45Ω; short-circuit sink/source currents ~60mA/35mA."
      },
      {
        "number": "2",
        "name": "INPUT 1-",
        "type": "input",
        "description": "Inverting input of amplifier 1. High input impedance (~0.5MΩ); input bias current typically 70nA."
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      {
        "number": "3",
        "name": "INPUT 1+",
        "type": "input",
        "description": "Non-inverting input of amplifier 1. Common-mode input voltage range typically ±12V at ±15V supply."
      },
      {
        "number": "4",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative supply rail. Recommended −2V to −18V; absolute maximum −20V."
      },
      {
        "number": "5",
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        "type": "input",
        "description": "Non-inverting input of amplifier 2. Common-mode input voltage range typically ±12V at ±15V supply."
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        "number": "6",
        "name": "INPUT 2-",
        "type": "input",
        "description": "Inverting input of amplifier 2. High input impedance (~0.5MΩ); input bias current typically 70nA."
      },
      {
        "number": "7",
        "name": "OUTPUT 2",
        "type": "output",
        "description": "Output of amplifier 2. Typical output resistance 45Ω; short-circuit sink/source currents ~60mA/35mA."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply rail. Recommended +2V to +18V; absolute maximum +20V. Total supply current typically 2.5mA (all amplifiers, no load)."
      }
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      "datasheet": {
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    "specs": {
      "Manufacturer": "Gainsil",
      "Package": "SOP-8",
      "Category": "Op-amp/Cmp",
      "Pins": "8"
    }
  },
  "variants": [
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      "mpn": "GS4558-SR",
      "kind": "packaging"
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    {
      "mpn": "GS4558-SRDR",
      "kind": "packaging"
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  "discovery_pitch": "GS4558-SR (Gainsil) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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  "updated_at": "2026-09-24T21:15:31.105Z"
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