MD1322

{
  "slug": "md1322",
  "version": "0.1.0",
  "type": "component",
  "description": "Shanghai Mingda Microelectronics Operational Amplifier, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "md1322",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "md1322.kicad_sym",
    "md1322.kicad_mod",
    "md1322.glb",
    "md1322.step",
    "md1322.lbr",
    "docs/hero.png",
    "docs/md1322-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "md1322-hero.glb",
    "md1322-hero.overlay.json",
    "md1322-etched.glb"
  ],
  "component": {
    "mpn": "MD1322",
    "manufacturer": "Shanghai Mingda Microelectronics",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586197219402002432",
    "parts": {
      "symbol": "md1322.kicad_sym",
      "footprint": "md1322.kicad_mod",
      "model_3d": "md1322-hero.glb",
      "model_3d_plain": "md1322-etched.glb",
      "model_3d_step": "md1322-etched.step",
      "model_3d_step_plain": "md1322.step",
      "lbr": "md1322.lbr"
    },
    "distributor_links": {
      "lcsc": "C126982"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T07:42:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VOUTA",
        "type": "output",
        "description": "Output of amplifier A; rail-to-rail output with about 4.98V to 4.995V high and 5mV to 25mV low at RL=100kΩ (VDD=5V), and output current rated at 40mA."
      },
      {
        "number": "2",
        "name": "VINA-",
        "type": "input",
        "description": "Inverting input of amplifier A; the common-mode input range is -0.1V to +5.6V when VDD-VSS=5.5V, and the absolute maximum common-mode input is VSS-0.3V to VDD+0.3V."
      },
      {
        "number": "3",
        "name": "VINA+",
        "type": "input",
        "description": "Non-inverting input of amplifier A; the common-mode input range is -0.1V to +5.6V when VDD-VSS=5.5V, and the absolute maximum common-mode input is VSS-0.3V to VDD+0.3V."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Negative supply rail, used as the ground reference (VSS = GND) for the device."
      },
      {
        "number": "5",
        "name": "VINB+",
        "type": "input",
        "description": "Non-inverting input of amplifier B; the common-mode input range is -0.1V to +5.6V when VDD-VSS=5.5V, and the absolute maximum common-mode input is VSS-0.3V to VDD+0.3V."
      },
      {
        "number": "6",
        "name": "VINB-",
        "type": "input",
        "description": "Inverting input of amplifier B; the common-mode input range is -0.1V to +5.6V when VDD-VSS=5.5V, and the absolute maximum common-mode input is VSS-0.3V to VDD+0.3V."
      },
      {
        "number": "7",
        "name": "VOUTB",
        "type": "output",
        "description": "Output of amplifier B; rail-to-rail output with about 4.98V to 4.995V high and 5mV to 25mV low at RL=100kΩ (VDD=5V), and output current rated at 40mA."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply; operating range is 2.1V to 5.5V, and the absolute maximum supply voltage (VDD to VSS) is 6V."
      }
    ],
    "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 SOIC-8 pin configuration on page 1 is garbled in the text extraction; the pin numbers and names ; The datasheet labels the negative supply as VSS and also states VSS = GND; it is classified as power; Order information on page 2 confirms MD1322 is sold only in SOIC-8 (tape and reel, 2500). No other p"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0461,
        "at": "2026-10-19T07:41:48"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586197219402002432",
        "pages": 11,
        "sha256": "4ea34861aaecf612",
        "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": "md1322.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": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "md1322-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": "5f59e41a8fda58b9e93fbd0b24302a5d6068ce0b900340f9d7d4beac94fced15",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}