OPA2137UA

{
  "slug": "opa2137ua",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments FET Input Amplifiers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "opa2137ua",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "opa2137ua.kicad_sym",
    "opa2137ua.kicad_mod",
    "opa2137ua.glb",
    "opa2137ua.step",
    "opa2137ua.lbr",
    "docs/hero.png",
    "docs/opa2137ua-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "opa2137ua-hero.glb",
    "opa2137ua-hero.overlay.json"
  ],
  "component": {
    "mpn": "OPA2137UA",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "FET Input Amplifiers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/opa2137",
    "parts": {
      "symbol": "opa2137ua.kicad_sym",
      "footprint": "opa2137ua.kicad_mod",
      "model_3d": "opa2137ua-hero.glb",
      "model_3d_plain": "opa2137ua.glb",
      "model_3d_step": "opa2137ua-etched.step",
      "model_3d_step_plain": "opa2137ua.step",
      "lbr": "opa2137ua.lbr"
    },
    "distributor_links": {
      "lcsc": "C2058389",
      "digikey": "OPA2137UA-ND",
      "mouser": "595-OPA2137UA"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T21:35:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "OPA2137UA-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "595-OPA2137UA",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Out A",
        "type": "output",
        "description": "Amplifier A output, swings to (V-)+1.2V and (V+)-1.1V at VS = ±15V with RL = 10kΩ, short-circuit current -25/+60mA, stable with up to 330pF load."
      },
      {
        "number": "2",
        "name": "-In A",
        "type": "input",
        "description": "Amplifier A inverting input with ±10pA FET input bias current, clamped by diodes to the supply rails and limited to 2mA input current."
      },
      {
        "number": "3",
        "name": "+In A",
        "type": "input",
        "description": "Amplifier A non-inverting input with ±10pA FET input bias current, common-mode range from (V-)+3V to (V+)."
      },
      {
        "number": "4",
        "name": "V–",
        "type": "power_in",
        "description": "Negative supply (or ground in single-supply use); total supply range 4.5V to 36V, dual supply ±2.25V to ±18V."
      },
      {
        "number": "5",
        "name": "+In B",
        "type": "input",
        "description": "Amplifier B non-inverting input with ±10pA FET input bias current, common-mode range from (V-)+3V to (V+)."
      },
      {
        "number": "6",
        "name": "-In B",
        "type": "input",
        "description": "Amplifier B inverting input with ±10pA FET input bias current, clamped by diodes to the supply rails and limited to 2mA input current."
      },
      {
        "number": "7",
        "name": "Out B",
        "type": "output",
        "description": "Amplifier B output, swings to (V-)+1.2V and (V+)-1.1V at VS = ±15V with RL = 10kΩ, short-circuit current -25/+60mA, stable with up to 330pF load."
      },
      {
        "number": "8",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply; total supply range 4.5V to 36V, bypass with a 10nF or larger ceramic capacitor."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: OPA2137UA/2K5 is sold in SOIC (D) 8; pin assignment read from Figure 4-3 (OPA2137 8-pin DIP, SO-8, M",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 23,
        "cost_usd": 0.5095,
        "at": "2026-10-11T21:35:44"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/opa2137",
        "pages": 23,
        "sha256": "8b2fe6bd5f1aedcd",
        "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": "opa2137ua.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "opa2137ua-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "386c2f0c94a15bf027323db15318ea611fdb5a02d0651e21824db83a33a768b8",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}