D4890

{
  "slug": "d4890",
  "version": "0.1.0",
  "type": "component",
  "description": "Silicore(芯谷) , MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "ic",
    "d4890",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "d4890.kicad_sym",
    "d4890.kicad_mod",
    "d4890.glb",
    "d4890.step",
    "d4890.lbr",
    "docs/hero.png",
    "docs/d4890-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "d4890-hero.glb",
    "d4890-hero.overlay.json",
    "d4890-etched.glb"
  ],
  "component": {
    "mpn": "D4890",
    "manufacturer": "Silicore(芯谷)",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "IC",
    "subcategory": "IC",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603008292683993088",
    "parts": {
      "symbol": "d4890.kicad_sym",
      "footprint": "d4890.kicad_mod",
      "model_3d": "d4890-hero.glb",
      "model_3d_plain": "d4890-etched.glb",
      "model_3d_step": "d4890-etched.step",
      "model_3d_step_plain": "d4890.step",
      "lbr": "d4890.lbr"
    },
    "distributor_links": {
      "lcsc": "C5368853"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T14:57:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SHUTDOWN",
        "type": "input",
        "description": "Logic shutdown control where '0' is the active state; at VDD=5V the datasheet gives a shutdown input-high threshold of 1.2 V and input-low threshold of 0.9 V."
      },
      {
        "number": "2",
        "name": "BP",
        "type": "bidirectional",
        "description": "Analog ground for the inner OPAs, held at about half of VDD, and it needs a bypass capacitor Cb for half-supply filtering."
      },
      {
        "number": "3",
        "name": "INP",
        "type": "input",
        "description": "Positive (non-inverting) amplifier input."
      },
      {
        "number": "4",
        "name": "INN",
        "type": "input",
        "description": "Negative (inverting) amplifier input, used with external gain-setting resistors Ri and Rf."
      },
      {
        "number": "5",
        "name": "Vout1",
        "type": "output",
        "description": "Negative BTL output, driving one side of the 8Ω load."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input, specified for 2.2 V to 5.5 V operation with absolute maximum supply voltage of -0.3 V to 6 V."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "8",
        "name": "Vout2",
        "type": "output",
        "description": "Positive BTL output, driving the other side of the 8Ω load."
      }
    ],
    "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 datasheet's Pin Description table (page 2) is not labeled per package. It is the only pin table ; The datasheet does not state which package variant this MPN D4890 is sold in. The MSOP8 pinout is gi; The MSOP8 outline drawing (page 10) contains no dimension or pin text in the extraction, so no MSOP8"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0302,
        "at": "2026-10-17T14:55:55"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603008292683993088",
        "pages": 11,
        "sha256": "0253f3a56ee9a3a2",
        "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": "d4890.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": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "d4890-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": "b620a6e829325a2a17425c6fc0716fddefdd201c9d30066e335b298312559390",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}