AD637JRZ

{
  "schema_version": 1,
  "type": "component",
  "slug": "ad637jrz",
  "title": "AD637JRZ",
  "brief": "Analog Devices RMS To DC Converters, SOIC-16-300mil. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "data acquisition",
    "ad637jrz"
  ],
  "component": {
    "mpn": "AD637JRZ",
    "manufacturer": "Analog Devices",
    "package": "SOIC-16-300mil",
    "pin_count": 16,
    "category": "Data Acquisition",
    "subcategory": "RMS To DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588939971172438017",
    "parts": {
      "symbol": "ad637jrz.kicad_sym",
      "footprint": "ad637jrz.kicad_mod",
      "model_3d": "ad637jrz-etched.glb",
      "model_3d_plain": "ad637jrz.glb",
      "model_3d_step": "ad637jrz-etched.step",
      "model_3d_step_plain": "ad637jrz.step",
      "lbr": "ad637jrz.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Leave floating."
      },
      {
        "number": "2",
        "name": "CAV",
        "type": "passive",
        "description": "Averaging capacitor connection. External capacitor sets the averaging time constant of the rms computation."
      },
      {
        "number": "3",
        "name": "-VS",
        "type": "power_in",
        "description": "Negative supply voltage. Typically -3 V to -18 V."
      },
      {
        "number": "4",
        "name": "COM",
        "type": "power_in",
        "description": "Common (analog ground) return."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Leave floating."
      },
      {
        "number": "6",
        "name": "BUF IN",
        "type": "input",
        "description": "Buffer amplifier input. High impedance input to the on-chip buffer amplifier, typically used for post-filtering or as an input buffer."
      },
      {
        "number": "7",
        "name": "dB OUT",
        "type": "output",
        "description": "Logarithmic (dB) output. Provides an output proportional to the log of the rms input, useful for wide dynamic range measurements."
      },
      {
        "number": "8",
        "name": "BUF OUT",
        "type": "output",
        "description": "Buffer amplifier output. Low impedance output of the on-chip buffer amplifier."
      },
      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Leave floating."
      },
      {
        "number": "10",
        "name": "OUTPUT OFFSET",
        "type": "input",
        "description": "Output offset trim. Connect to a potentiometer between +VS and -VS to null the output offset voltage."
      },
      {
        "number": "11",
        "name": "OUTPUT",
        "type": "output",
        "description": "RMS output. Provides the true rms (or mean square / absolute value depending on configuration) of the input signal."
      },
      {
        "number": "12",
        "name": "SUMMING JUNCTION",
        "type": "input",
        "description": "Summing junction of the output amplifier. Access for external feedback and gain-setting resistors."
      },
      {
        "number": "13",
        "name": "+VS",
        "type": "power_in",
        "description": "Positive supply voltage. Typically +3 V to +18 V."
      },
      {
        "number": "14",
        "name": "dB COMMON",
        "type": "passive",
        "description": "dB output common. Reference/return pin for the dB output scaling network."
      },
      {
        "number": "15",
        "name": "INPUT",
        "type": "input",
        "description": "Signal input to the RMS converter. Accepts AC signals up to the specified bandwidth; typically 1 V rms full scale."
      },
      {
        "number": "16",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Leave floating."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588939971172438017",
        "pages": 25,
        "sha256": "3171019912ad7953",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "ad637jrz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "d8734daf309a0c0587b933cd031db655f5f0c49351bef1e6b06891c047f27fce",
        "checked": "2026-10-07",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "SOIC-16-300mil",
      "Category": "Data Acquisition",
      "Pins": "16"
    }
  },
  "variants": [
    {
      "mpn": "AD637JRZ",
      "kind": "packaging"
    },
    {
      "mpn": "AD637JRZ-R7",
      "kind": "packaging"
    },
    {
      "mpn": "AD637JRZ-RL",
      "kind": "packaging"
    },
    {
      "mpn": "AD637JRZKRZ",
      "kind": "packaging"
    },
    {
      "mpn": "AD637JRZKRZ-R7",
      "kind": "packaging"
    },
    {
      "mpn": "AD637JRZKRZ-RL",
      "kind": "packaging"
    },
    {
      "mpn": "AD637JRZSQ",
      "kind": "packaging"
    },
    {
      "mpn": "AD637JRZSQ/883B",
      "kind": "packaging"
    },
    {
      "mpn": "AD637JRZAQ",
      "kind": "packaging"
    },
    {
      "mpn": "AD637JRZBQ",
      "kind": "packaging"
    }
  ],
  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "AD637JRZ (Analog Devices) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
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    "README.md",
    "ad637jrz.kicad_sym",
    "ad637jrz.kicad_mod",
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    "ad637jrz.lbr",
    "docs/hero.png",
    "docs/ad637jrz-datasheet.pdf",
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  "visibility": {
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  },
  "updated_at": "2026-09-24T15:36:21.182Z"
}