main
Ray Set visibility: public 9a536c1 11d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ws72358d-8",
  "title": "WS72358D-8",
  "brief": "WILLSEMI Will Semicon Operational Amplifier, DFN-8-EP(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "amplifiers-comparators",
    "ws72358d-8",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "WS72358D-8",
    "manufacturer": "WILLSEMI Will Semicon",
    "package": "DFN-8-EP(2x2)",
    "pin_count": 9,
    "category": "Amplifiers/Comparators",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590221539208962048",
    "parts": {
      "symbol": "ws72358d-8.kicad_sym",
      "footprint": "ws72358d-8.kicad_mod",
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      "model_3d_plain": "ws72358d-8-etched.glb",
      "model_3d_step": "ws72358d-8-etched.step",
      "model_3d_step_plain": "ws72358d-8.step",
      "lbr": "ws72358d-8.lbr"
    },
    "distributor_links": {
      "lcsc": "C2943885"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T18:06:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUTA",
        "type": "output",
        "description": "Output of amplifier A, which swings rail-to-rail and drives 2kΩ resistive loads."
      },
      {
        "number": "2",
        "name": "-INA",
        "type": "input",
        "description": "Inverting input of amplifier A."
      },
      {
        "number": "3",
        "name": "+INA",
        "type": "input",
        "description": "Non-inverting input of amplifier A; the common-mode input range extends from (V-)-0.2V to (V+)+0.2V."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply rail; single-supply operation from 1.7V to 5.5V is specified with V- as the reference."
      },
      {
        "number": "5",
        "name": "+INB",
        "type": "input",
        "description": "Non-inverting input of amplifier B; the common-mode input range extends from (V-)-0.2V to (V+)+0.2V."
      },
      {
        "number": "6",
        "name": "-INB",
        "type": "input",
        "description": "Inverting input of amplifier B."
      },
      {
        "number": "7",
        "name": "OUTB",
        "type": "output",
        "description": "Output of amplifier B, which swings rail-to-rail and drives 2kΩ resistive loads."
      },
      {
        "number": "8",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply rail; absolute maximum supply voltage (V+)-(V-) is 6V."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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": [
          "extractor flagged: The pin table on page 2 is shared by SOP-8L, MSOP-8L and DFN2x2-8L and gives no package-specific num; The package hint says DFN-8-EP, but the datasheet text does not mention an exposed thermal pad or li; Pin type for V- and V+ is set to power_in as the supply pins. The datasheet does not give a KiCad ty",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0448,
        "at": "2026-10-17T18:05:04"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590221539208962048",
        "pages": 14,
        "sha256": "1ddb9fd8c2366a18",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "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": "914cd301aa2efff54a7c18fe40fe21c25b277d6109b6cb10afb266387128ddd0",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ws72358d-8-etched.step",
        "role": "eda",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "sha256": "4fa0e24bbc85a5f4b127f5ba777aeb7d36eac4bab4686f28b09f8ed994e88b50",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "WILLSEMI Will Semicon",
      "Package": "DFN-8-EP(2x2)",
      "Category": "Amplifiers/Comparators",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "1ddb9fd8c2366a18c74a3e8bc7b2f0afa4b82988d1a3b79000c3baba2f55fccf",
      "rows": [
        {
          "name": "Input Offset Voltage",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "mV",
          "min": -3,
          "typ": 0.1,
          "max": 3,
          "conditions": "VCM= VS/2",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Common Mode Rejection Ratio",
          "symbol": "CMRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 85,
          "typ": 110,
          "max": null,
          "conditions": "VCM=0.1V to 4.9V; * full operating temperature range",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 90,
          "typ": 106,
          "max": null,
          "conditions": "* full operating temperature range",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Open Loop Large Signal Gain",
          "symbol": "AVOL",
          "kind": "electrical",
          "unit": "dB",
          "min": 100,
          "typ": 109,
          "max": null,
          "conditions": "VOUT=0.1V to 4.9V, Rload=10k; * full operating temperature range",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current per Amplifier",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 42,
          "max": 60,
          "conditions": "* full operating temperature range",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage, ([V+] – [V-])",
          "symbol": "VS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Input Differential Voltage",
          "symbol": "VIDR",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Free-Air Temperature Range",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature Range",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Lead Temperature Range",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD Human Body Model",
          "symbol": "HBM",
          "kind": "electrical",
          "unit": "V",
          "min": -8000,
          "typ": null,
          "max": 8000,
          "conditions": "MIL-STD-883H Method 3015.8, JEDEC-EIA/JESD22-A114A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD Machine Model",
          "symbol": "MM",
          "kind": "electrical",
          "unit": "V",
          "min": -400,
          "typ": null,
          "max": 400,
          "conditions": "JEDEC-EIA/JESD22-A115",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD Charged Device Model",
          "symbol": "CDM",
          "kind": "electrical",
          "unit": "V",
          "min": -2000,
          "typ": null,
          "max": 2000,
          "conditions": "JEDEC-EIA/JESD22-C101E",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "WS72358D-8 (WILLSEMI Will Semicon) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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  "visibility": {
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}