LT1994CMS8#TRPBF

{
  "slug": "lt1994cms8-trpbf",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Differential OpAmps, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers",
    "lt1994cms8#trpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lt1994cms8-trpbf.kicad_sym",
    "lt1994cms8-trpbf.kicad_mod",
    "lt1994cms8-trpbf.glb",
    "lt1994cms8-trpbf.step",
    "lt1994cms8-trpbf.lbr",
    "docs/hero.png",
    "docs/lt1994cms8-trpbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lt1994cms8-trpbf-hero.glb",
    "lt1994cms8-trpbf-hero.overlay.json",
    "lt1994cms8-trpbf-etched.glb"
  ],
  "component": {
    "mpn": "LT1994CMS8#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Amplifiers",
    "subcategory": "Differential OpAmps",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/1994fb.pdf",
    "parts": {
      "symbol": "lt1994cms8-trpbf.kicad_sym",
      "footprint": "lt1994cms8-trpbf.kicad_mod",
      "model_3d": "lt1994cms8-trpbf-hero.glb",
      "model_3d_plain": "lt1994cms8-trpbf-etched.glb",
      "model_3d_step": "lt1994cms8-trpbf-etched.step",
      "model_3d_step_plain": "lt1994cms8-trpbf.step",
      "lbr": "lt1994cms8-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C665910",
      "digikey": "LT1994CMS8#TRPBFTR-ND",
      "mouser": "584-LT1994CMS8#TRPBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T12:00:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LT1994CMS8#TRPBFTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LT1994CMS8#TRPBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN–",
        "type": "input",
        "description": "Inverting input of the amplifier; keep stray capacitance to a minimum with short PCB connections (pin function text lists IN+ as Pin 1 and IN- as Pin 8, but the MS8 pin diagram shows IN- at pin 1)."
      },
      {
        "number": "2",
        "name": "VOCM",
        "type": "input",
        "description": "Output common mode reference voltage with approximately 40k Thevenin resistance to a mid-supply default; sets the output common mode level and should be bypassed with at least 0.1µF unless tied to a low impedance ground plane."
      },
      {
        "number": "3",
        "name": "V+",
        "type": "power_in",
        "description": "Positive power supply pin, bypassed to V- with 1µF and 0.1µF ceramic capacitors; total supply (V+ to V-) is up to 12.6V."
      },
      {
        "number": "4",
        "name": "OUT+",
        "type": "output",
        "description": "Positive output pin, drives approximately 100Ω to ground with short-circuit current limit up to ±85mA and is designed for 25pF load capacitance."
      },
      {
        "number": "5",
        "name": "OUT–",
        "type": "output",
        "description": "Negative output pin, drives approximately 100Ω to ground with short-circuit current limit up to ±85mA and is designed for 25pF load capacitance."
      },
      {
        "number": "6",
        "name": "V–",
        "type": "power_in",
        "description": "Negative power supply pin, tied directly to a low impedance ground plane in single-supply applications."
      },
      {
        "number": "7",
        "name": "SHDN",
        "type": "input",
        "description": "Shutdown input: floating or tied to V+ is normal operation, and pulled a minimum of 2.1V below V+ enters low power shutdown (internal 120k pull-up)."
      },
      {
        "number": "8",
        "name": "IN+",
        "type": "input",
        "description": "Noninverting input of the amplifier; keep stray capacitance to a minimum with short PCB connections (pin function text lists IN- as Pin 8 and IN+ as Pin 1, but the MS8 pin diagram shows IN+ at pin 8)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-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 FUNCTIONS section (page 9) says 'IN+, IN– (Pins 1, 8)', which would put IN+ at pin 1 and IN–"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0897,
        "at": "2026-10-30T12:00:22"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/1994fb.pdf",
        "pages": 20,
        "sha256": "2bd3f857593f0ff0",
        "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": [
      {
        "file": "lt1994cms8-trpbf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lt1994cms8-trpbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ac023e9490e8656959715f37fa769c7ce3fdc65c6c97d2766a83071951d3b895",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "MS8",
      "source_page": 19,
      "D": {
        "nom_mm": 3.0,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 3.0,
        "range_mm": [
          null,
          null
        ]
      },
      "E": {
        "nom_mm": 4.9,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 0.65,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.1,
        "range_mm": [
          null,
          1.1
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "lt1994cms8-trpbf.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}