main
Ray Set visibility: public dea2f4e 3d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ad8557arz-reel7",
  "title": "AD8557ARZ-REEL7",
  "brief": "Analog Devices Precision OpAmps, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "operational amplifier-comparator",
    "ad8557arz-reel7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AD8557ARZ-REEL7",
    "manufacturer": "Analog Devices",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Operational Amplifier/Comparator",
    "subcategory": "Precision OpAmps",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD8557.pdf",
    "parts": {
      "symbol": "ad8557arz-reel7.kicad_sym",
      "footprint": "ad8557arz-reel7.kicad_mod",
      "model_3d": "ad8557arz-reel7-hero.glb",
      "model_3d_plain": "ad8557arz-reel7-etched.glb",
      "model_3d_step": "ad8557arz-reel7-etched.step",
      "model_3d_step_plain": "ad8557arz-reel7.step",
      "lbr": "ad8557arz-reel7.lbr"
    },
    "distributor_links": {
      "lcsc": "C652960",
      "digikey": "AD8557ARZ-REEL7TR-ND",
      "mouser": "584-AD8557ARZ-R7"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T22:34:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "AD8557ARZ-REEL7TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-AD8557ARZ-R7",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage; the AD8557 operates from single-supply 2.7 V to 5.5 V."
      },
      {
        "number": "2",
        "name": "DIGOUT",
        "type": "output",
        "description": "Digital output that functions as the data output pin in read mode."
      },
      {
        "number": "3",
        "name": "DIGIN",
        "type": "input",
        "description": "Digital input for the single-wire serial interface used to program gain and output offset."
      },
      {
        "number": "4",
        "name": "VNEG",
        "type": "input",
        "description": "Negative amplifier input (inverting input)."
      },
      {
        "number": "5",
        "name": "VPOS",
        "type": "input",
        "description": "Positive amplifier input (noninverting input)."
      },
      {
        "number": "6",
        "name": "VCLAMP",
        "type": "input",
        "description": "Sets the clamp voltage at the output; the clamp input voltage range is 1.25 V to 5.0 V."
      },
      {
        "number": "7",
        "name": "VOUT",
        "type": "output",
        "description": "Amplifier output."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Negative supply voltage, specified with VSS = 0.0 V in the test conditions."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 9,
        "cost_usd": 0.0117,
        "at": "2026-10-30T22:34:11"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD8557.pdf",
        "pages": 24,
        "sha256": "d1274d83a1eac004",
        "source_tier": "mfr"
      },
      "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": "ad8557arz-reel7.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": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ad8557arz-reel7-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": "17ab3a28dde760f72bfd715137c2c4219b3ad31ca3a910e780f0aecf9e8c5802",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "SOIC-8",
      "Category": "Operational Amplifier/Comparator",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "d1274d83a1eac004c6351c8a6ba6689aa4dcfe84d13a96531affc84ca7983220",
      "rows": [
        {
          "name": "Input Offset Voltage",
          "symbol": "VOS",
          "kind": "tolerance",
          "unit": "μV",
          "min": null,
          "typ": 2,
          "max": 12,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Voltage Drift",
          "symbol": "TCVOS",
          "kind": "temperature_coefficient",
          "unit": "nV/°C",
          "min": null,
          "typ": 27,
          "max": 65,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Bias Current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "nA",
          "min": 10,
          "typ": 18,
          "max": 25,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Current",
          "symbol": "IOS",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 1,
          "max": 4,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage Range",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0.6,
          "typ": null,
          "max": 3.8,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Common-Mode Rejection Ratio",
          "symbol": "CMRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 75,
          "typ": 85,
          "max": null,
          "conditions": "VCM = 0.9 V to 3.6 V, AV = 28",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Common-Mode Rejection Ratio",
          "symbol": "CMRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 96,
          "typ": 112,
          "max": null,
          "conditions": "VCM = 0.9 V to 3.6 V, AV = 1300",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Differential Gain Temperature Coefficient",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": null,
          "typ": 15,
          "max": 40,
          "conditions": "Second stage gain = 10 to 250",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "DAC Accuracy",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.7,
          "max": 0.8,
          "conditions": "Offset codes = 8 to 248",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Offset",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 5,
          "max": 35,
          "conditions": "Offset codes = 8 to 248",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Offset Temperature Coefficient",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm FS/°C",
          "min": null,
          "typ": 20,
          "max": 80,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Clamp Input Voltage Range",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.25,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Short-Circuit Current Source",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "mA",
          "min": -45,
          "typ": null,
          "max": -25,
          "conditions": "Source",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Short-Circuit Current Sink",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "mA",
          "min": 40,
          "typ": null,
          "max": 55,
          "conditions": "Sink",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "DIGIN Pulse Width to Load 0",
          "symbol": "tw0",
          "kind": "timing",
          "unit": "μs",
          "min": 0.05,
          "typ": null,
          "max": 10,
          "conditions": "TA = 25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Differential Input Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -6,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 158,
          "max": null,
          "conditions": "8-Lead SOIC (R)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Case",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 43,
          "max": null,
          "conditions": "8-Lead SOIC (R)",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ad8557arz-reel7"
  ],
  "discovery_pitch": "AD8557ARZ-REEL7 (Analog Devices) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ad8557arz-reel7.kicad_sym",
    "ad8557arz-reel7.kicad_mod",
    "ad8557arz-reel7.glb",
    "ad8557arz-reel7.step",
    "ad8557arz-reel7.lbr",
    "docs/hero.png",
    "docs/ad8557arz-reel7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ad8557arz-reel7-hero.glb",
    "ad8557arz-reel7-hero.overlay.json",
    "ad8557arz-reel7-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}