COS721SR

{
  "schema_version": 1,
  "type": "component",
  "slug": "cos721sr",
  "title": "COS721SR",
  "brief": "COSINE Operational Amplifier, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "cos721sr"
  ],
  "component": {
    "mpn": "COS721SR",
    "manufacturer": "COSINE",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Op-amp/Cmp",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/8b611b33900d15484a408a5763ba38e2.pdf",
    "parts": {
      "symbol": "cos721sr.kicad_sym",
      "footprint": "cos721sr.kicad_mod",
      "model_3d": "cos721sr-etched.glb",
      "model_3d_plain": "cos721sr.glb",
      "model_3d_step": "cos721sr-etched.step",
      "model_3d_step_plain": "cos721sr.step",
      "lbr": "cos721sr.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection. Leave floating or tie to ground; not electrically connected inside the package."
      },
      {
        "number": "2",
        "name": "-IN",
        "type": "input",
        "description": "Inverting input of the amplifier. Allowable voltage range is -Vs - 0.3V to +Vs + 0.3V; input terminals are diode-clamped to the supply rails so external swings beyond 0.5V past the rails must be current-limited to 10mA."
      },
      {
        "number": "3",
        "name": "+IN",
        "type": "input",
        "description": "Non-inverting input of the amplifier. Same voltage range as -IN (-Vs - 0.3V to +Vs + 0.3V). Rail-to-rail input capability with common-mode range extending from -0.1V to +Vs+0.1V."
      },
      {
        "number": "4",
        "name": "-Vs",
        "type": "power_in",
        "description": "Negative power supply or ground. For single-supply operation tie to GND; for dual-supply operation connect to the negative rail (down to -2.75V). Bypass with a 0.1µF ceramic close to the pin if not directly grounded."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection. Leave floating or tie to ground; not electrically connected inside the package."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "Amplifier output. Rail-to-rail output swings to within ~1mV of each rail with RL=100kΩ, ~8mV with RL=10kΩ, and ~40mV with RL=2kΩ. Short-circuit current is typically 21mA sourcing / 22mA sinking."
      },
      {
        "number": "7",
        "name": "+Vs",
        "type": "power_in",
        "description": "Positive power supply, 2.5V to 5.5V single-supply (or up to +2.75V for dual-supply). Bypass with a 0.1µF ceramic capacitor placed as close as possible to the pin; a 2.2µF tantalum may be added for better performance."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection. Leave floating or tie to ground; not electrically connected inside the package."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/8b611b33900d15484a408a5763ba38e2.pdf",
        "pages": 10,
        "sha256": "c3bf767fb360554e",
        "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": "cos721sr.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cos721sr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "cafee99e0f01faf464773c7e56cd72316132bb92f8bd4b6f52e8ce2c0c0a99fb",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "COSINE",
      "Package": "SOIC-8",
      "Category": "Op-amp/Cmp",
      "Pins": "8"
    }
  },
  "variants": [
    {
      "mpn": "COS721SR",
      "kind": "packaging"
    },
    {
      "mpn": "COS721SRTR",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cos721sr"
  ],
  "discovery_pitch": "COS721SR (COSINE) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cos721sr.kicad_sym",
    "cos721sr.kicad_mod",
    "cos721sr.glb",
    "cos721sr.step",
    "cos721sr.lbr",
    "docs/hero.png",
    "docs/cos721sr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T19:29:05.061Z"
}