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Ray ad8002b: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) 5c57378 17h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ad8002b",
  "title": "AD8002B",
  "brief": "IDCHIP Audio Power OpAmps, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "ad8002b"
  ],
  "component": {
    "mpn": "AD8002B",
    "manufacturer": "IDCHIP",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Op-amp/Cmp",
    "subcategory": "Audio Power OpAmps",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d6e3a532d8879a943bdb6aa70a9ed732.pdf",
    "parts": {
      "symbol": "ad8002b.kicad_sym",
      "footprint": "ad8002b.kicad_mod",
      "model_3d": "ad8002b-etched.glb",
      "model_3d_plain": "ad8002b.glb",
      "model_3d_step": "ad8002b-etched.step",
      "model_3d_step_plain": "ad8002b.step",
      "lbr": "ad8002b.lbr"
    },
    "distributor_links": {
      "lcsc": "C437153"
    },
    "pins": [
      {
        "number": "1",
        "name": "SD",
        "type": "input",
        "description": "Shutdown control input. Logic HIGH puts the chip into low-power shutdown (typ. 25µA); logic LOW enables normal operation. At 5V supply the shutdown threshold is ~1.6V and enable threshold is ~1.2V. Has an internal pull-up."
      },
      {
        "number": "2",
        "name": "BYP",
        "type": "passive",
        "description": "Bypass pin for the internal VDD/2 mid-supply reference. Connect a 1µF capacitor from BYP to GND to filter the internal common-mode reference voltage and reduce power-supply noise coupling into the amplifier."
      },
      {
        "number": "3",
        "name": "+IN",
        "type": "input",
        "description": "Non-inverting analog audio input to the internal op-amp. Typically AC-coupled to signal ground through an input capacitor in single-ended input applications."
      },
      {
        "number": "4",
        "name": "-IN",
        "type": "input",
        "description": "Inverting analog audio input. Audio source is AC-coupled here (typ. 0.22µF) through a series input resistor (typ. 22kΩ); a feedback resistor (typ. 68kΩ) from VO1 sets the closed-loop gain (Av = -Rf/Rin)."
      },
      {
        "number": "5",
        "name": "VO1",
        "type": "output",
        "description": "BTL audio output 1 (VO-). One side of the bridge-tied speaker load; connects directly to one speaker terminal with no output coupling capacitor required. Drives up to 3W into a 4Ω load (BTL) at 5V."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage input. Operating range 2V to 6.5V; typical 5V. Decouple with a 1µF (or larger) ceramic capacitor to GND close to the pin."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground / power return. Connect to the system analog ground plane."
      },
      {
        "number": "8",
        "name": "VO2",
        "type": "output",
        "description": "BTL audio output 2 (VO+). The complementary side of the bridge-tied speaker load; drives the other speaker terminal 180° out of phase with VO1. No output DC-blocking capacitor required."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/d6e3a532d8879a943bdb6aa70a9ed732.pdf",
        "pages": 4,
        "sha256": "770c6e420402220c",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "ad8002b.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ad8002b-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": "99189ed6479ac3f19e2b26bda43dba71ad72283893fce93b66f40fd7f42430d6",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "IDCHIP",
      "Package": "SOP-8",
      "Category": "Op-amp/Cmp",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ad8002b"
  ],
  "discovery_pitch": "AD8002B (IDCHIP) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ad8002b.kicad_sym",
    "ad8002b.kicad_mod",
    "ad8002b.glb",
    "ad8002b.step",
    "ad8002b-etched.step",
    "ad8002b.lbr",
    "docs/hero.png",
    "docs/ad8002b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T15:38:49.522Z"
}