IS31AP4991A-SLS2-TR

{
  "slug": "is31ap4991a-sls2-tr",
  "version": "0.1.0",
  "type": "component",
  "description": "ISSI Integrated Silicon Solution Audio Amplifiers, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "is31ap4991a-sls2-tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "is31ap4991a-sls2-tr.kicad_sym",
    "is31ap4991a-sls2-tr.kicad_mod",
    "is31ap4991a-sls2-tr.glb",
    "is31ap4991a-sls2-tr.step",
    "is31ap4991a-sls2-tr.lbr",
    "docs/hero.png",
    "docs/is31ap4991a-sls2-tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "is31ap4991a-sls2-tr-hero.glb",
    "is31ap4991a-sls2-tr-hero.overlay.json",
    "is31ap4991a-sls2-tr-etched.glb"
  ],
  "component": {
    "mpn": "IS31AP4991A-SLS2-TR",
    "manufacturer": "ISSI Integrated Silicon Solution",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Audio Amplifiers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590424674531377152",
    "parts": {
      "symbol": "is31ap4991a-sls2-tr.kicad_sym",
      "footprint": "is31ap4991a-sls2-tr.kicad_mod",
      "model_3d": "is31ap4991a-sls2-tr-hero.glb",
      "model_3d_plain": "is31ap4991a-sls2-tr-etched.glb",
      "model_3d_step": "is31ap4991a-sls2-tr-etched.step",
      "model_3d_step_plain": "is31ap4991a-sls2-tr.step",
      "lbr": "is31ap4991a-sls2-tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C4991104"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T18:55:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SDB",
        "type": "input",
        "description": "Active-low shutdown input; the device enters shutdown mode when a low level is applied, with VSD_L max 0.4V at VCC=2.7V and VSD_H min 1.4V at VCC=5.5V."
      },
      {
        "number": "2",
        "name": "BYPASS",
        "type": "passive",
        "description": "Bypass capacitor pin that provides the common-mode bias voltage (VCC/2); the datasheet tests use CBYPASS = 0.47µF."
      },
      {
        "number": "3",
        "name": "IN+",
        "type": "input",
        "description": "Positive input of the first amplifier stage."
      },
      {
        "number": "4",
        "name": "IN-",
        "type": "input",
        "description": "Negative input of the first amplifier stage, receiving the audio input signal; connected to the feedback resistor RF and the input resistor RIN."
      },
      {
        "number": "5",
        "name": "OUT-",
        "type": "output",
        "description": "Negative BTL output, connected to the load and to the feedback resistor RF."
      },
      {
        "number": "6",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive analog supply; operating range 2.7V to 5.5V, absolute maximum 6.0V."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "8",
        "name": "OUT+",
        "type": "output",
        "description": "Positive BTL output, connected to the load; phased 180° relative to VIN."
      }
    ],
    "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 MSOP-8 pin drawing on page 11 and the top-view figure on page 3 are images with no text layer. P; The ordering table on page 4 lists IS31AP4991A-SLS2-TR as MSOP-8 (lead-free), 2500 per reel, which c; VCC supply type is power_in and the VCC pin description cites the absolute maximum rating from page "
        ],
        "pages_sent": 11,
        "cost_usd": 0.0438,
        "at": "2026-10-18T18:53:44"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590424674531377152",
        "pages": 11,
        "sha256": "83af76838ceb7a34",
        "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": "is31ap4991a-sls2-tr.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "is31ap4991a-sls2-tr-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": "36a0fc4a8ecdd48fcc7a83bf04d0476a82eddb7e511f5825557a190dce661c96",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}