main
Ray cos722sr: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body wi… 2f7cf78
{
  "schema_version": 1,
  "type": "component",
  "slug": "cos722sr",
  "title": "COS722SR",
  "brief": "COSINE Operational Amplifier, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "cos722sr"
  ],
  "component": {
    "mpn": "COS722SR",
    "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": "cos722sr.kicad_sym",
      "footprint": "cos722sr.kicad_mod",
      "model_3d": "cos722sr-etched.glb",
      "model_3d_plain": "cos722sr.glb",
      "model_3d_step": "cos722sr-etched.step",
      "model_3d_step_plain": "cos722sr.step",
      "lbr": "cos722sr.lbr"
    },
    "distributor_links": {
      "lcsc": "C693063"
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT1",
        "type": "output",
        "description": "Output of amplifier A (channel 1). Output voltage swings to within ~1 mV (RL=100kΩ), ~8 mV (RL=10kΩ), or ~40 mV (RL=2kΩ) of each supply rail. Short-circuit source/sink ~21/22 mA."
      },
      {
        "number": "2",
        "name": "-IN1",
        "type": "input",
        "description": "Inverting input of amplifier A (channel 1). Allowed voltage range from -Vs - 0.3V to +Vs + 0.3V; input terminals are diode-clamped to the supply rails (limit current to <=10 mA)."
      },
      {
        "number": "3",
        "name": "+IN1",
        "type": "input",
        "description": "Non-inverting input of amplifier A (channel 1). Rail-to-rail common-mode range (-0.1V to Vs+0.1V typical); same voltage-range limits as -IN1."
      },
      {
        "number": "4",
        "name": "-Vs",
        "type": "power_in",
        "description": "Negative power supply or ground. For single-supply operation tie to GND; for dual-supply operation bypass to ground with a 0.1 µF ceramic capacitor placed close to the pin. Total supply (+Vs to -Vs) 2.5 V to 5.5 V (abs max 6.0 V)."
      },
      {
        "number": "5",
        "name": "+IN2",
        "type": "input",
        "description": "Non-inverting input of amplifier B (channel 2). Rail-to-rail common-mode range; same voltage-range limits as -IN."
      },
      {
        "number": "6",
        "name": "-IN2",
        "type": "input",
        "description": "Inverting input of amplifier B (channel 2). Allowed voltage range from -Vs - 0.3V to +Vs + 0.3V; diode-clamped to supply rails (limit current to <=10 mA)."
      },
      {
        "number": "7",
        "name": "OUT2",
        "type": "output",
        "description": "Output of amplifier B (channel 2). Output voltage swings to within millivolts of each supply rail; short-circuit source/sink ~21/22 mA."
      },
      {
        "number": "8",
        "name": "+Vs",
        "type": "power_in",
        "description": "Positive power supply, 2.5 V to 5.5 V (absolute max 6.0 V referenced to -Vs). Bypass with a 0.1 µF ceramic capacitor as close as possible to the pin; add a 2.2 µF tantalum for better performance."
      }
    ],
    "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "cos722sr.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": "cos722sr-etched.step",
        "role": "eda",
        "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": "dbad232b0158fa5122406f8be9f27a5dd6603cab061610cb6e69ea71fa23b751",
        "checked": "2026-11-03",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "COSINE",
      "Package": "SOIC-8",
      "Category": "Op-amp/Cmp",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cos722sr"
  ],
  "discovery_pitch": "COS722SR (COSINE) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cos722sr.kicad_sym",
    "cos722sr.kicad_mod",
    "cos722sr.glb",
    "cos722sr.step",
    "cos722sr-etched.step",
    "cos722sr.lbr",
    "docs/hero.png",
    "docs/cos722sr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "COS722SR",
      "kind": "packaging"
    },
    {
      "mpn": "COS722SRMR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T19:29:28.631Z"
}