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Ray Publish 0.1.0 fb3870c 7d ago
{
  "slug": "ba2902sf-e2",
  "version": "0.1.0",
  "type": "component",
  "description": "ROHM Semicon Operational Amplifier, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "operational amplifier-comparator",
    "ba2902sf-e2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ba2902sf-e2.kicad_sym",
    "ba2902sf-e2.kicad_mod",
    "ba2902sf-e2.glb",
    "ba2902sf-e2.step",
    "ba2902sf-e2.lbr",
    "docs/hero.png",
    "docs/ba2902sf-e2-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ba2902sf-e2-hero.glb",
    "ba2902sf-e2-hero.overlay.json",
    "ba2902sf-e2-etched.glb"
  ],
  "component": {
    "mpn": "BA2902SF-E2",
    "manufacturer": "ROHM Semicon",
    "package": "SOP-14",
    "pin_count": 14,
    "category": "Operational Amplifier/Comparator",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/677a73e0c169c91e1857b1c869d271fc.pdf",
    "parts": {
      "symbol": "ba2902sf-e2.kicad_sym",
      "footprint": "ba2902sf-e2.kicad_mod",
      "model_3d": "ba2902sf-e2-hero.glb",
      "model_3d_plain": "ba2902sf-e2-etched.glb",
      "model_3d_step": "ba2902sf-e2-etched.step",
      "model_3d_step_plain": "ba2902sf-e2.step",
      "lbr": "ba2902sf-e2.lbr"
    },
    "distributor_links": {
      "lcsc": "C2057825",
      "digikey": "BA2902SF-E2TR-ND",
      "mouser": "755-BA2902SF-E2"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T16:46:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "BA2902SF-E2TR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "755-BA2902SF-E2",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT1",
        "type": "output",
        "description": "Output of channel 1 (quad op-amp); the datasheet gives no output swing or current limit for this pin."
      },
      {
        "number": "2",
        "name": "-IN1",
        "type": "input",
        "description": "Inverting input of channel 1; the datasheet states the inputs are operable with GND sense."
      },
      {
        "number": "3",
        "name": "+IN1",
        "type": "input",
        "description": "Non-inverting input of channel 1; the datasheet states the inputs are operable with GND sense."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply pin; the datasheet specifies single-supply operation from +3.0V to +36.0V for BA2902/BA2902S."
      },
      {
        "number": "5",
        "name": "+IN2",
        "type": "input",
        "description": "Non-inverting input of channel 2; the datasheet states the inputs are operable with GND sense."
      },
      {
        "number": "6",
        "name": "-IN2",
        "type": "input",
        "description": "Inverting input of channel 2; the datasheet states the inputs are operable with GND sense."
      },
      {
        "number": "7",
        "name": "OUT2",
        "type": "output",
        "description": "Output of channel 2; the datasheet gives no output swing or current limit for this pin."
      },
      {
        "number": "8",
        "name": "OUT3",
        "type": "output",
        "description": "Output of channel 3; the datasheet gives no output swing or current limit for this pin."
      },
      {
        "number": "9",
        "name": "-IN3",
        "type": "input",
        "description": "Inverting input of channel 3; the datasheet states the inputs are operable with GND sense."
      },
      {
        "number": "10",
        "name": "+IN3",
        "type": "input",
        "description": "Non-inverting input of channel 3; the datasheet states the inputs are operable with GND sense."
      },
      {
        "number": "11",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative supply pin of the quad op-amp; the datasheet does not state a voltage limit for this pin."
      },
      {
        "number": "12",
        "name": "+IN4",
        "type": "input",
        "description": "Non-inverting input of channel 4; the datasheet states the inputs are operable with GND sense."
      },
      {
        "number": "13",
        "name": "-IN4",
        "type": "input",
        "description": "Inverting input of channel 4; the datasheet states the inputs are operable with GND sense."
      },
      {
        "number": "14",
        "name": "OUT4",
        "type": "output",
        "description": "Output of channel 4; the datasheet gives no output swing or current limit for this pin."
      }
    ],
    "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 and names are taken from the SOP14 pin table on page 2, which lists BA2902SF among the S; The datasheet gives pin names and a pin-to-package table but no per-pin electrical limits. Descripti; Pin 4 is VCC and pin 11 is VEE on the SOP14 part. This is the reverse of the SOP8 variants on page 2"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0356,
        "at": "2026-10-28T16:45:46"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/677a73e0c169c91e1857b1c869d271fc.pdf",
        "pages": 58,
        "sha256": "dd01c4bb6c49586e",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ba2902sf-e2.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ba2902sf-e2-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "214ed5c48d17528eee948fa56185bce35974a2b03ac3c75624773c76ed13f45f",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}