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Ray Set visibility: public 0819205 6d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lt1999hms8-50f-wpbf",
  "title": "LT1999HMS8-50F#WPBF",
  "brief": "Analog Devices Operational Amplifier, MSOP-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": [
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    "amplifiers",
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  "component": {
    "mpn": "LT1999HMS8-50F#WPBF",
    "manufacturer": "Analog Devices",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Amplifiers",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/LT1999-10-1999-20-1999-50.pdf",
    "parts": {
      "symbol": "lt1999hms8-50f-wpbf.kicad_sym",
      "footprint": "lt1999hms8-50f-wpbf.kicad_mod",
      "model_3d": "lt1999hms8-50f-wpbf-hero.glb",
      "model_3d_plain": "lt1999hms8-50f-wpbf-etched.glb",
      "model_3d_step": "lt1999hms8-50f-wpbf-etched.step",
      "model_3d_step_plain": "lt1999hms8-50f-wpbf.step",
      "lbr": "lt1999hms8-50f-wpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C665986",
      "digikey": "161-LT1999HMS8-50F#WPBF-ND",
      "mouser": "584-LT1999HMS850FWPB"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T15:41:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "161-LT1999HMS8-50F#WPBF-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LT1999HMS850FWPB",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "+IN",
        "type": "input",
        "description": "Positive sense input pin."
      },
      {
        "number": "2",
        "name": "–IN",
        "type": "input",
        "description": "Negative sense input pin."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "Pin 3 is not connected internally to the die and should be left unconnected."
      },
      {
        "number": "4",
        "name": "V+",
        "type": "power_in",
        "description": "Power supply voltage; the specified range of operation is 4.5V to 5.5V, and lower supply voltages (down to approximately 4V) are possible but the LT1999 is not tested or characterized below 4.5V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "6",
        "name": "REF",
        "type": "input",
        "description": "Reference pin input sets the output common mode level halfway between V+ and GND using a divider of two 160k resistors; it can be overdriven by an external voltage source capable of driving 80k to a mid-supply potential."
      },
      {
        "number": "7",
        "name": "OUT",
        "type": "output",
        "description": "Voltage output, VOUT = AV•(VSENSE ± VOSI); the output amplifier drives up to 200pF capacitive loads directly, and loads exceeding 200pF should be decoupled with an external resistor of at least 100Ω."
      },
      {
        "number": "8",
        "name": "SHDN",
        "type": "input",
        "description": "Shutdown pin; when pulled to within 0.5V of GND (Pin 5) it places the LT1999 into low power shutdown, and if left floating an internal 2µA pull-up places the LT1999 in the active (amplifying) state."
      }
    ],
    "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: Pin numbers for the FMEA pinout were taken from the MSOP FMEA pinout figure on page 2 and the slash-"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0225,
        "at": "2026-10-28T15:41:25"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/LT1999-10-1999-20-1999-50.pdf",
        "pages": 28,
        "sha256": "524fa5803afdb9fd",
        "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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        "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": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lt1999hms8-50f-wpbf-etched.step",
        "role": "eda",
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        "sha256": "d23c4c0a2e2bba7492c5f35c2f39f6faa44f351de72a4c2de4c7e0ec109e5883",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "MSOP-8",
      "Category": "Amplifiers",
      "Pins": "8"
    },
    "appearance": {
      "housing": {
        "quote": "LT1999MPS8-20#PBF LT1999MPS8-20#TRPBF 99MP20 8-Lead Plastic SO –55°C to 150°C LT1999CMS8-50#PBF LT1999CMS8-50#TRPBF LTFPC 8-Lead Plastic MSOP 0°C to 70°C",
        "page": 3,
        "doc": "ds.pdf",
        "material": "PC"
      },
      "version": 1,
      "datasheet_sha256": "524fa5803afdb9fd31f336bbb8b9fd270b790f987a94f10d2bd70bab9b548b65"
    }
  },
  "variants": [],
  "sections": [
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    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lt1999hms8-50f#wpbf"
  ],
  "discovery_pitch": "LT1999HMS8-50F#WPBF (Analog Devices) 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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    "lt1999hms8-50f-wpbf.step",
    "lt1999hms8-50f-wpbf.lbr",
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  "visibility": {
    "public": true
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}