ADA4637-1BRZ

{
  "schema_version": 1,
  "type": "component",
  "slug": "ada4637-1brz",
  "title": "ADA4637-1BRZ",
  "brief": "Analog Devices FET InputAmplifiers, 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",
    "ada4637-1brz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ADA4637-1BRZ",
    "manufacturer": "Analog Devices",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Operational Amplifier/Comparator",
    "subcategory": "FET InputAmplifiers",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/ADA4627-1_4637-1.pdf",
    "parts": {
      "symbol": "ada4637-1brz.kicad_sym",
      "footprint": "ada4637-1brz.kicad_mod",
      "model_3d": "ada4637-1brz-hero.glb",
      "model_3d_plain": "ada4637-1brz-etched.glb",
      "model_3d_step": "ada4637-1brz-etched.step",
      "model_3d_step_plain": "ada4637-1brz.step",
      "lbr": "ada4637-1brz.lbr"
    },
    "distributor_links": {
      "lcsc": "C654194",
      "digikey": "505-ADA4637-1BRZ-ND",
      "mouser": "584-ADA4637-1BRZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T12:00:55Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-ADA4637-1BRZ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-ADA4637-1BRZ",
        "status": "found",
        "lifecycle": "Restricted Availability"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NULL",
        "type": "passive",
        "description": "Offset null pin used with a 100 kΩ potentiometer to the supply for input offset adjustment (more than ±11 mV range); not recommended for use."
      },
      {
        "number": "2",
        "name": "-IN",
        "type": "input",
        "description": "Inverting input; input voltage range (V−) − 0.3 V to (V+) + 0.3 V, input current limited to ±10 mA."
      },
      {
        "number": "3",
        "name": "+IN",
        "type": "input",
        "description": "Non-inverting input; input voltage range (V−) − 0.3 V to (V+) + 0.3 V, input current limited to ±10 mA."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply; operates from ±5 V to ±15 V dual supply, 36 V maximum total supply."
      },
      {
        "number": "5",
        "name": "NULL",
        "type": "passive",
        "description": "Offset null pin used with a 100 kΩ potentiometer to the supply for input offset adjustment (more than ±11 mV range); not recommended for use."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "Amplifier output; short-circuit to GND duration is indefinite, with ±45 mA output current at VO = ±10 V."
      },
      {
        "number": "7",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply; operates from ±5 V to ±15 V dual supply, 36 V maximum total supply."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 20,
        "cost_usd": 0.1615,
        "at": "2026-10-30T12:00:38"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/ADA4627-1_4637-1.pdf",
        "pages": 20,
        "sha256": "8800d631e3858998",
        "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": [
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        "file": "ada4637-1brz.step",
        "role": "plain",
        "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": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ada4637-1brz-etched.step",
        "role": "eda",
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        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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    ],
    "package_dims": {
      "package_code": "R-8",
      "source_page": 17,
      "D": {
        "nom_mm": 4.9,
        "range_mm": [
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      "E1": {
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        "range_mm": [
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      },
      "E": {
        "nom_mm": 6,
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      },
      "A": {
        "nom_mm": 1.55,
        "range_mm": [
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      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ada4637-1brz.step",
        "verdict": "PASS",
        "reasons": [
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        "by": "factory/package_fit.py"
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    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "SOIC-8",
      "Category": "Operational Amplifier/Comparator",
      "Pins": "8"
    },
    "characteristics": {
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          "name": "Offset Voltage Drift, Average",
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          "name": "Power Supply Rejection Ratio",
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        {
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        {
          "name": "Common-Mode Rejection Ratio",
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          "conditions": "Input pin has clamp diodes to supply pins",
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          "name": "Operating Temperature Range",
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          "name": "Junction Temperature Range",
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          "name": "Lead Temperature",
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          "conditions": "Soldering, 60 sec",
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        {
          "name": "ESD Human Body Model",
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        {
          "name": "Thermal Resistance Junction to Ambient",
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          "unit": "°C/W",
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          "typ": 155,
          "max": null,
          "conditions": "8-Lead SOIC_N (R-8)",
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        {
          "name": "Thermal Resistance Junction to Case",
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          "name": "Input Resistance",
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          "typ": 10,
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          "name": "Input Capacitance, Differential Mode",
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          "name": "Input Capacitance, Common Mode",
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          "typ": 7,
          "max": null,
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          "name": "Slew Rate",
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          "typ": 170,
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          "conditions": "±10 V out, Cf = 4.8 pF, AV = −4",
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          "name": "Settling Time to 0.01%",
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          "max": null,
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          "source_page": 4,
          "source": "datasheet"
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          "name": "Settling Time to 0.1%",
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