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Ray Set visibility: public 4e0fda2 7d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ca3140am",
  "title": "CA3140AM",
  "brief": "HGSEMI Operational Amplifier, SOP-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",
    "amplifiers-comparators",
    "ca3140am",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CA3140AM",
    "manufacturer": "HGSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757815040701812736",
    "parts": {
      "symbol": "ca3140am.kicad_sym",
      "footprint": "ca3140am.kicad_mod",
      "model_3d": "ca3140am-hero.glb",
      "model_3d_plain": "ca3140am-etched.glb",
      "model_3d_step": "ca3140am-etched.step",
      "model_3d_step_plain": "ca3140am.step",
      "lbr": "ca3140am.lbr"
    },
    "distributor_links": {
      "lcsc": "C910877"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T10:47:14Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OFFSET NULL",
        "type": "passive",
        "description": "Offset null (balance) terminal for input offset adjustment; the datasheet gives a typical 4.7 kΩ nulling resistance between pin 4 and pin 5 (or pin 4 and pin 1) when adjusted to maximum input voltage."
      },
      {
        "number": "2",
        "name": "INV.INPUT",
        "type": "input",
        "description": "Inverting input; absolute maximum common-mode DC input voltage is V+ +8 V to V- -0.5 V, differential input is ±8 V, and input current is limited to 1 mA."
      },
      {
        "number": "3",
        "name": "NON-INV.INPUT",
        "type": "input",
        "description": "Non-inverting input; absolute maximum common-mode DC input voltage is V+ +8 V to V- -0.5 V, differential input is ±8 V, and input current is limited to 1 mA."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative power supply; the absolute maximum total supply voltage between V+ and V- is 36 V."
      },
      {
        "number": "5",
        "name": "OFFSET NULL",
        "type": "passive",
        "description": "Offset null (balance) terminal; the datasheet's typical 4.7 kΩ nulling resistance is specified between pin 4 and pin 5 (or pin 4 and pin 1)."
      },
      {
        "number": "6",
        "name": "OUTPUT",
        "type": "output",
        "description": "Amplifier output; typical output resistance is 60 Ω, with short-circuit current of 45 mA source and 18 mA sink."
      },
      {
        "number": "7",
        "name": "V+",
        "type": "power_in",
        "description": "Positive power supply; the absolute maximum total supply voltage between V+ and V- is 36 V."
      },
      {
        "number": "8",
        "name": "STROBE",
        "type": "output",
        "description": "Strobe terminal; when the output goes low, the datasheet specifies a typical 220 µA sink current flowing from pin 8 into pin 4."
      }
    ],
    "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 datasheet lists the offset null pins as type I (input); mapped to KiCad passive because they are; The datasheet lists STROBE as type O (output) with a description of 'strobe terminal'. Its functiona; The pinout table is shared by the DIP-8, SOP-8 and MSOP-8 variants. The ordering table lists CA3140A",
          "1/8 pin names appear NOWHERE in the datasheet text: ['4:V-@p2']"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0353,
        "at": "2026-10-18T10:44:59"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757815040701812736",
        "pages": 12,
        "sha256": "b5fe51dd23d620a5",
        "source_tier": "lcsc"
      },
      "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": "ca3140am.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ca3140am-etched.step",
        "role": "eda",
        "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": "34632997f0b49717511820512b0142b311929f1330ed54a5662b608d724b6c71",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HGSEMI",
      "Package": "SOP-8",
      "Category": "Amplifiers/Comparators",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "b5fe51dd23d620a5aaa5c24f426a1cecb611163512fb53aa6eabccea38b65200",
      "rows": [
        {
          "name": "DC supply voltage (V+ to V-)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 36,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Differential input voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -8,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input terminal current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -10,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Lead temperature (soldering)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 s soldering",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input offset voltage nulling resistor (pins 4-5 or 4-1)",
          "symbol": "",
          "kind": "electrical",
          "unit": "kΩ",
          "min": null,
          "typ": 4.7,
          "max": null,
          "conditions": "VSUPPLY=15V, TA=25℃; adjusted to max input voltage, pins 4-5 or 4-1",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input resistance",
          "symbol": "RI",
          "kind": "electrical",
          "unit": "TΩ",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "VSUPPLY=15V, TA=25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input capacitance",
          "symbol": "C1",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 4,
          "max": null,
          "conditions": "VSUPPLY=15V, TA=25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output resistance",
          "symbol": "RO",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "VSUPPLY=15V, TA=25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Equivalent wideband input noise voltage",
          "symbol": "eN",
          "kind": "electrical",
          "unit": "μV",
          "min": null,
          "typ": 48,
          "max": null,
          "conditions": "VSUPPLY=15V, TA=25℃; BW=140kHz, RS=1MΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Equivalent input noise voltage",
          "symbol": "eN",
          "kind": "electrical",
          "unit": "nV/√Hz",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "VSUPPLY=15V, TA=25℃; RS=100Ω, f=1kHz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Equivalent input noise voltage",
          "symbol": "eN",
          "kind": "electrical",
          "unit": "nV/√Hz",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "VSUPPLY=15V, TA=25℃; RS=100Ω, f=10kHz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit output current, source",
          "symbol": "IOM+",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 45,
          "max": null,
          "conditions": "VSUPPLY=15V, TA=25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit output current, sink",
          "symbol": "IOM-",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 18,
          "max": null,
          "conditions": "VSUPPLY=15V, TA=25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Gain-bandwidth product",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 4.5,
          "max": null,
          "conditions": "VSUPPLY=15V, TA=25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Slew rate",
          "symbol": "SR",
          "kind": "electrical",
          "unit": "V/μs",
          "min": null,
          "typ": 9,
          "max": null,
          "conditions": "VSUPPLY=15V, TA=25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Sink current from pin 8 into pin 4 when output goes low",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 220,
          "max": null,
          "conditions": "VSUPPLY=15V, TA=25℃; output goes low",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Rise time",
          "symbol": "tr",
          "kind": "electrical",
          "unit": "μs",
          "min": null,
          "typ": 0.08,
          "max": null,
          "conditions": "VSUPPLY=15V, TA=25℃; RL=2kΩ, CL=100pF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Overshoot",
          "symbol": "OS",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VSUPPLY=15V, TA=25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Settling time, 10 Vp-p, to 1 mV (voltage follower)",
          "symbol": "tS",
          "kind": "electrical",
          "unit": "μs",
          "min": null,
          "typ": 4.5,
          "max": null,
          "conditions": "VSUPPLY=15V, TA=25℃; 10VP-P, RL=2kΩ, CL=100pF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Settling time, 10 Vp-p, to 10 mV (voltage follower)",
          "symbol": "tS",
          "kind": "electrical",
          "unit": "μs",
          "min": null,
          "typ": 1.4,
          "max": null,
          "conditions": "VSUPPLY=15V, TA=25℃; 10VP-P, RL=2kΩ, CL=100pF",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ca3140am"
  ],
  "discovery_pitch": "CA3140AM (HGSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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    "ca3140am-hero.overlay.json",
    "ca3140am-etched.glb"
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  "visibility": {
    "public": true
  }
}