8002A

{
  "slug": "8002a",
  "version": "0.2.2",
  "type": "component",
  "description": "IDCHIP Audio Power OpAmps, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "op-amp-cmp",
    "8002a"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
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    "8002a.kicad_mod",
    "8002a.glb",
    "8002a.step",
    "8002a-etched.step",
    "8002a.lbr",
    "docs/hero.png",
    "docs/8002a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pads.json",
    "8002a-etched.glb",
    "8002a-hero.glb",
    "8002a-hero.overlay.json"
  ],
  "component": {
    "mpn": "8002A",
    "manufacturer": "IDCHIP",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Op-amp/Cmp",
    "subcategory": "Audio Power OpAmps",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e7696b0016f6d4a8326be48b16e6bd1b.pdf",
    "parts": {
      "symbol": "8002a.kicad_sym",
      "footprint": "8002a.kicad_mod",
      "model_3d": "8002a-hero.glb",
      "model_3d_plain": "8002a.glb",
      "model_3d_step": "8002a-etched.step",
      "model_3d_step_plain": "8002a.step",
      "lbr": "8002a.lbr"
    },
    "distributor_links": {
      "lcsc": "C329448"
    },
    "pins": [
      {
        "number": "1",
        "name": "SD",
        "type": "input",
        "description": "Shutdown control input. Logic HIGH (VIH = 1.5V to VDD) disables the amplifier and puts the chip into low-power mode (~10μA typical, 16μA max); logic LOW (VIL = 0 to 1V) enables normal operation. Pin is high-impedance internally with no pull-up/pull-down - must not be left floating (tie to GND if unused)."
      },
      {
        "number": "2",
        "name": "BYP",
        "type": "passive",
        "description": "Bypass pin - internal VDD/2 mid-supply reference output. Connect a bypass capacitor (typ. 1μF) from this pin to GND to filter the mid-rail reference and improve PSRR and low-frequency THD+N."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection. Datasheet features list explicitly states '芯片第3脚无功能' (Pin 3 has no function). Leave unconnected on the PCB."
      },
      {
        "number": "4",
        "name": "INN",
        "type": "input",
        "description": "Inverting analog audio input to the input op-amp stage. Closed-loop gain of the first stage is set by external Rf (feedback) and Ri (input) resistors; overall differential BTL gain AVD = 2*(Rf/Ri). AC-couple the source through Ci (typ. 0.39μF) which forms a high-pass filter with Ri (fC = 1/(2πRiCi))."
      },
      {
        "number": "5",
        "name": "VO1",
        "type": "output",
        "description": "Analog audio output 1 (one side of the bridge-tied-load speaker output). Biased at VDD/2 mid-rail; drives one terminal of the 4Ω or 8Ω speaker directly with no output coupling capacitor required. Signal is 180° out of phase with VO2."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply input. Recommended operating range 2.0V to 5.5V (absolute max 6V). Quiescent supply current IDD ≈ 15mA (no load, VDD=5V). Decouple with 10μF and 0.1μF capacitors placed close to the pin."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground / analog ground return for the amplifier."
      },
      {
        "number": "8",
        "name": "VO2",
        "type": "output",
        "description": "Analog audio output 2 (other side of the bridge-tied-load speaker output). Biased at VDD/2 mid-rail; the internal second-stage op-amp is fixed at unity inverting gain via two internal 20kΩ resistors, so VO2 is 180° out of phase with VO1. Connect the speaker directly between VO1 and VO2."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/e7696b0016f6d4a8326be48b16e6bd1b.pdf",
        "pages": 6,
        "sha256": "55ff9c66b091ae2e",
        "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"
    },
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
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      },
      {
        "file": "8002a-etched.step",
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        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "title": "8002A",
  "brief": "IDCHIP Audio Power OpAmps, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "metadata": {
    "specs": {
      "Manufacturer": "IDCHIP",
      "Package": "SOP-8",
      "Category": "Op-amp/Cmp",
      "Pins": "8"
    }
  },
  "discovery_triggers": [
    "8002a"
  ],
  "discovery_pitch": "8002A (IDCHIP) component page with datasheet-verified CAD.",
  "visibility": "public"
}