HT324ARQZ

{
  "slug": "ht324arqz",
  "version": "0.1.0",
  "type": "component",
  "description": "HTCSEMI Operational Amplifier, QFN16(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "ht324arqz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ht324arqz.kicad_sym",
    "ht324arqz.kicad_mod",
    "ht324arqz.glb",
    "ht324arqz.step",
    "ht324arqz.lbr",
    "docs/hero.png",
    "docs/ht324arqz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ht324arqz-hero.glb",
    "ht324arqz-hero.overlay.json",
    "ht324arqz-etched.glb"
  ],
  "component": {
    "mpn": "HT324ARQZ",
    "manufacturer": "HTCSEMI",
    "package": "QFN16(3x3)",
    "pin_count": 17,
    "category": "Amplifiers/Comparators",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590904677137526784",
    "parts": {
      "symbol": "ht324arqz.kicad_sym",
      "footprint": "ht324arqz.kicad_mod",
      "model_3d": "ht324arqz-hero.glb",
      "model_3d_plain": "ht324arqz-etched.glb",
      "model_3d_step": "ht324arqz-etched.step",
      "model_3d_step_plain": "ht324arqz.step",
      "lbr": "ht324arqz.lbr"
    },
    "distributor_links": {
      "lcsc": "C7431209"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T14:43:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "+INA",
        "type": "input",
        "description": "Non-inverting input of amplifier A; input common mode range is 0 V to VCC −1.7 V and inputs may go to +32 V without damage."
      },
      {
        "number": "2",
        "name": "+VS",
        "type": "power_in",
        "description": "Positive supply, 3.0 V to 32 V single supply (or ±1.5 V to ±16 V split supplies)."
      },
      {
        "number": "3",
        "name": "+INB",
        "type": "input",
        "description": "Non-inverting input of amplifier B; input common mode range is 0 V to VCC −1.7 V and inputs may go to +32 V without damage."
      },
      {
        "number": "4",
        "name": "-INB",
        "type": "input",
        "description": "Inverting input of amplifier B; input common mode range is 0 V to VCC −1.7 V and inputs may go to +32 V without damage."
      },
      {
        "number": "5",
        "name": "OUTB",
        "type": "output",
        "description": "Output of amplifier B; short-circuit protected, swing includes the negative supply."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "8",
        "name": "OUTC",
        "type": "output",
        "description": "Output of amplifier C; short-circuit protected, swing includes the negative supply."
      },
      {
        "number": "9",
        "name": "-INC",
        "type": "input",
        "description": "Inverting input of amplifier C; input common mode range is 0 V to VCC −1.7 V and inputs may go to +32 V without damage."
      },
      {
        "number": "10",
        "name": "+INC",
        "type": "input",
        "description": "Non-inverting input of amplifier C; input common mode range is 0 V to VCC −1.7 V and inputs may go to +32 V without damage."
      },
      {
        "number": "11",
        "name": "-VS",
        "type": "power_in",
        "description": "Negative supply or ground (VEE/GND) for single supply operation; split supplies down to −16 V."
      },
      {
        "number": "12",
        "name": "+IND",
        "type": "input",
        "description": "Non-inverting input of amplifier D; input common mode range is 0 V to VCC −1.7 V and inputs may go to +32 V without damage."
      },
      {
        "number": "13",
        "name": "-IND",
        "type": "input",
        "description": "Inverting input of amplifier D; input common mode range is 0 V to VCC −1.7 V and inputs may go to +32 V without damage."
      },
      {
        "number": "14",
        "name": "OUTD",
        "type": "output",
        "description": "Output of amplifier D; short-circuit protected, swing includes the negative supply."
      },
      {
        "number": "15",
        "name": "OUTA",
        "type": "output",
        "description": "Output of amplifier A; short-circuit protected, swing includes the negative supply."
      },
      {
        "number": "16",
        "name": "-INA",
        "type": "input",
        "description": "Inverting input of amplifier A; input common mode range is 0 V to VCC −1.7 V and inputs may go to +32 V without damage."
      },
      {
        "number": "17",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The QFN pin diagram shows a dashed exposed-pad outline in the center, but the datasheet gives no pad; The MPN suffix 'RQZ' is not decoded in the datasheet. I assumed the QFN16 3x3 (Q SUFFIX) pinout from; Pin numbers and names were read from a small pin-diagram image. They are consistent with the SOIC-14",
          "exposed pad 17 added from the footprint",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 13,
        "cost_usd": 0.3906,
        "at": "2026-10-18T14:41:34"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590904677137526784",
        "pages": 13,
        "sha256": "4e10227bdbce08b5",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ht324arqz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ht324arqz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e29d0f1b0c27db64eacfd3f65867e3929189fd9a37131a3017c33e32effc4de3",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}