GS8521-TR

{
  "schema_version": 1,
  "type": "component",
  "slug": "gs8521-tr",
  "title": "GS8521-TR",
  "brief": "Gainsil Operational Amplifier, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "gs8521-tr"
  ],
  "component": {
    "mpn": "GS8521-TR",
    "manufacturer": "Gainsil",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Op-amp/Cmp",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3d67698b242c977d47dfa7d9ee6aa3f0.pdf",
    "parts": {
      "symbol": "gs8521-tr.kicad_sym",
      "footprint": "gs8521-tr.kicad_mod",
      "model_3d": "gs8521-tr-etched.glb",
      "model_3d_plain": "gs8521-tr.glb",
      "model_3d_step": "gs8521-tr-etched.step",
      "model_3d_step_plain": "gs8521-tr.step",
      "lbr": "gs8521-tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C431314"
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "output",
        "description": "Amplifier output. Rail-to-rail output stage; swings within ~10mV of the rails with light loads (>500kOhm) and delivers ~58mA source/sink at V_S=5V."
      },
      {
        "number": "2",
        "name": "VSS",
        "type": "power_in",
        "description": "Negative supply / ground. For single-supply operation tie to GND; for dual-supply operation connect to the negative rail (±1.05V to ±2.75V). Bypass with 0.1uF ceramic to V_DD."
      },
      {
        "number": "3",
        "name": "IN+",
        "type": "input",
        "description": "Non-inverting input. Rail-to-rail common-mode range extends 100mV beyond each supply rail (V_SS-0.1V to V_DD+0.1V). Input bias current ~1pA typ."
      },
      {
        "number": "4",
        "name": "IN-",
        "type": "input",
        "description": "Inverting input. Rail-to-rail common-mode range extends 100mV beyond each supply rail (V_SS-0.1V to V_DD+0.1V). Input bias current ~1pA typ."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply. Single-supply range 2.1V to 5.5V (absolute max 7.5V V_DD to V_SS). Bypass with a 0.1uF ceramic capacitor placed close to the pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/3d67698b242c977d47dfa7d9ee6aa3f0.pdf",
        "pages": 13,
        "sha256": "20f611aa30eb6027",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-5@sha256:455a3f7c3e5eb5b8",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "gs8521-tr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gs8521-tr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "cbe6de56771660d77b680d00398e0b10434ae1213c3d9dae6f85d0011f91932e",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Gainsil",
      "Package": "SOT-23-5",
      "Category": "Op-amp/Cmp",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "20f611aa30eb6027",
      "rows": [
        {
          "name": "Input Offset Voltage",
          "symbol": "VOS",
          "kind": "tolerance",
          "unit": "mV",
          "min": null,
          "typ": 0.4,
          "max": 3.5,
          "conditions": "VCM = VS/2",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Common-Mode Rejection Ratio (VCM = -0.1V to 4V)",
          "symbol": "CMRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 70,
          "typ": 114,
          "max": null,
          "conditions": "VS = 5.5V, VCM = -0.1V to 4V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Common-Mode Rejection Ratio (VCM = -0.1V to 5.6V)",
          "symbol": "CMRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 60,
          "typ": 87,
          "max": null,
          "conditions": "VS = 5.5V, VCM = -0.1V to 5.6V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Open-Loop Voltage Gain (RL = 500kΩ)",
          "symbol": "AOL",
          "kind": "electrical",
          "unit": "dB",
          "min": 90,
          "typ": 110,
          "max": null,
          "conditions": "RL = 500kΩ, VO = +0.1V to +4.9V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Open-Loop Voltage Gain (RL = 100kΩ)",
          "symbol": "AOL",
          "kind": "electrical",
          "unit": "dB",
          "min": 88,
          "typ": 108,
          "max": null,
          "conditions": "RL = 100kΩ, VO = +0.1V to +4.9V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Swing from Rail (high)",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.99,
          "typ": 4.997,
          "max": null,
          "conditions": "RL = 500kΩ",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Swing from Rail (low)",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 3,
          "max": 10,
          "conditions": "RL = 500kΩ",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Current (source)",
          "symbol": "ISOURCE",
          "kind": "electrical",
          "unit": "mA",
          "min": 40,
          "typ": 58,
          "max": null,
          "conditions": "RL = 10Ω to VS/2",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Current (sink)",
          "symbol": "ISINK",
          "kind": "electrical",
          "unit": "mA",
          "min": 40,
          "typ": 58,
          "max": null,
          "conditions": "RL = 10Ω to VS/2",
          "source_page": 3,
          "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": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 65,
          "typ": 94,
          "max": null,
          "conditions": "VS = +2.5V to +5.5V, VCM = +0.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Voltage Range",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 2.1,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 3,
          "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": 2,
          "source": "datasheet"
        },
        {
          "name": "PDB Input Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 160,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "soldering, 10sec",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance, SOT23-5",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 190,
          "max": null,
          "conditions": "TA=+25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD Susceptibility HBM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "HBM",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD Susceptibility MM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "MM",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "gs8521-tr"
  ],
  "discovery_pitch": "GS8521-TR (Gainsil) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "gs8521-tr.kicad_sym",
    "gs8521-tr.kicad_mod",
    "gs8521-tr.glb",
    "gs8521-tr.step",
    "gs8521-tr-etched.step",
    "gs8521-tr.lbr",
    "docs/hero.png",
    "docs/gs8521-tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "GS8521-TR",
      "kind": "packaging"
    },
    {
      "mpn": "GS8521-TRSR",
      "kind": "packaging"
    },
    {
      "mpn": "GS8521-TRMR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T21:18:41.018Z"
}