COS8551TRA

{
  "schema_version": 1,
  "type": "component",
  "slug": "cos8551tra",
  "title": "COS8551TRA",
  "brief": "COSINE 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",
    "cos8551tra"
  ],
  "component": {
    "mpn": "COS8551TRA",
    "manufacturer": "COSINE",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Op-amp/Cmp",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/13a44b00b4757e799b6a96d2e0cf0d2e.pdf",
    "parts": {
      "symbol": "cos8551tra.kicad_sym",
      "footprint": "cos8551tra.kicad_mod",
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      "model_3d_plain": "cos8551tra.glb",
      "model_3d_step": "cos8551tra-etched.step",
      "model_3d_step_plain": "cos8551tra.step",
      "lbr": "cos8551tra.lbr"
    },
    "distributor_links": {
      "lcsc": "C695778"
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "output",
        "description": "Amplifier output. Rail-to-rail output; voltage swing extends to within ~5 mV of each supply rail (RL=100k) or ~15 mV (RL=10k). Short-circuit source/sink current ~+/-7 mA."
      },
      {
        "number": "2",
        "name": "-Vs",
        "type": "power_in",
        "description": "Negative power supply or ground. If not connected to ground, bypass with a 0.1 uF capacitor as close to the part as possible. Supply range 1.8 V to 5.5 V total (+Vs to -Vs), 6 V absolute maximum."
      },
      {
        "number": "3",
        "name": "+IN",
        "type": "input",
        "description": "Non-inverting input of the amplifier. Rail-to-rail input; common-mode voltage range extends from -Vs - 0.3 V to +Vs + 0.3 V. Input bias current +/-100 pA typical."
      },
      {
        "number": "4",
        "name": "-IN",
        "type": "input",
        "description": "Inverting input of the amplifier. Voltage range -Vs - 0.3 V to +Vs + 0.3 V. Input bias current +/-100 pA typical; internal diode clamps to supply rails limit input current to 10 mA."
      },
      {
        "number": "5",
        "name": "+Vs",
        "type": "power_in",
        "description": "Positive power supply. Operating range 1.8 V to 5.5 V (referenced to -Vs). Bypass with a 0.1 uF capacitor placed as close to the pin as possible, between +Vs and -Vs (or between +Vs and GND)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/13a44b00b4757e799b6a96d2e0cf0d2e.pdf",
        "pages": 12,
        "sha256": "845c61f20f164396",
        "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": "cos8551tra.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": "cos8551tra-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": "7ebea18bb1a7b2e2967f5a09d6662078c5227c606b58af88beeb50f72fc55fef",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "COSINE",
      "Package": "SOT-23-5",
      "Category": "Op-amp/Cmp",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "845c61f20f164396",
      "rows": [
        {
          "name": "Input Offset Voltage",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "µV",
          "min": null,
          "typ": 2,
          "max": 10,
          "conditions": "COS8551A",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Voltage Drift",
          "symbol": "ΔVOS/ΔT",
          "kind": "electrical",
          "unit": "µV/°C",
          "min": null,
          "typ": 0.005,
          "max": 0.05,
          "conditions": "-40°C to 125°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Bias Current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "pA",
          "min": -500,
          "typ": 100,
          "max": 500,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Current",
          "symbol": "IOS",
          "kind": "electrical",
          "unit": "pA",
          "min": -500,
          "typ": 100,
          "max": 500,
          "conditions": "",
          "source_page": 4,
          "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": 4,
          "source": "datasheet"
        },
        {
          "name": "Common-Mode Rejection Ratio",
          "symbol": "CMRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 120,
          "typ": null,
          "max": null,
          "conditions": "VCM =0.1V to 4.9V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Open-Loop Voltage Gain",
          "symbol": "AOL",
          "kind": "electrical",
          "unit": "dB",
          "min": 145,
          "typ": null,
          "max": null,
          "conditions": "VO=0.2V to 4.8V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Swing from Rail",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "RL=100kΩ",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Swing from Rail",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "RL=10kΩ",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Short-Circuit Current Sourcing",
          "symbol": "ISR",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "Sourcing",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Short-Circuit Current Sinking",
          "symbol": "ISK",
          "kind": "electrical",
          "unit": "mA",
          "min": -7,
          "typ": null,
          "max": null,
          "conditions": "Sinking",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Voltage Range",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 80,
          "typ": 100,
          "max": null,
          "conditions": "VS = 1.8V to 5.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Supply: +Vs to -Vs",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "+Vs to -Vs",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "Input terminals diode-clamped; limit input current",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Susceptibility, HBM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2000,
          "conditions": "HBM",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "DC Supply Voltage",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance, junction-to-ambient (SOT23-5)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 190,
          "max": null,
          "conditions": "SOT23-5",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
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    "info"
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  "discovery_triggers": [
    "cos8551tra"
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  "discovery_pitch": "COS8551TRA (COSINE) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
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  "visibility": {
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  },
  "variants": [
    {
      "mpn": "COS8551TRA",
      "kind": "packaging"
    },
    {
      "mpn": "COS8551TRB",
      "kind": "unknown"
    },
    {
      "mpn": "COS8551TRC",
      "kind": "unknown"
    },
    {
      "mpn": "COS8552SRA",
      "kind": "unknown"
    },
    {
      "mpn": "COS8552SR",
      "kind": "unknown"
    },
    {
      "mpn": "COS8552SRC",
      "kind": "unknown"
    },
    {
      "mpn": "COS8552SRD",
      "kind": "unknown"
    },
    {
      "mpn": "COS8552MRA",
      "kind": "unknown"
    },
    {
      "mpn": "COS8552MRB",
      "kind": "unknown"
    },
    {
      "mpn": "COS8552MRC",
      "kind": "unknown"
    },
    {
      "mpn": "COS8554SR",
      "kind": "unknown"
    },
    {
      "mpn": "COS8554SRB",
      "kind": "unknown"
    },
    {
      "mpn": "COS8554SRC",
      "kind": "unknown"
    },
    {
      "mpn": "COS8554TRA",
      "kind": "unknown"
    },
    {
      "mpn": "COS8554TRB",
      "kind": "unknown"
    },
    {
      "mpn": "COS8554TRC",
      "kind": "unknown"
    }
  ],
  "updated_at": "2026-09-24T19:30:31.509Z"
}