DAC8541Y

{
  "slug": "dac8541y",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Digital To Analog Converters (DACs), TQFP-32(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data converters",
    "dac8541y",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dac8541y.kicad_sym",
    "dac8541y.kicad_mod",
    "dac8541y.glb",
    "dac8541y.step",
    "dac8541y.lbr",
    "docs/hero.png",
    "docs/dac8541y-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "dac8541y-hero.glb",
    "dac8541y-hero.overlay.json",
    "dac8541y-etched.glb"
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  "component": {
    "mpn": "DAC8541Y",
    "manufacturer": "Texas Instruments",
    "package": "TQFP-32(5x5)",
    "pin_count": 32,
    "category": "Data Converters",
    "subcategory": "Digital To Analog Converters (DACs)",
    "datasheet": "https://www.ti.com/lit/ds/symlink/dac8541y.pdf",
    "parts": {
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      "footprint": "dac8541y.kicad_mod",
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      "model_3d_step": "dac8541y-etched.step",
      "model_3d_step_plain": "dac8541y.step",
      "lbr": "dac8541y.lbr"
    },
    "distributor_links": {
      "lcsc": "C2679665"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T22:47:37Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DB15",
        "type": "bidirectional",
        "description": "Data input/output bit 15 (MSB) of the 16-bit parallel interface."
      },
      {
        "number": "2",
        "name": "DB14",
        "type": "bidirectional",
        "description": "Data input/output bit 14 of the 16-bit parallel interface."
      },
      {
        "number": "3",
        "name": "DB13",
        "type": "bidirectional",
        "description": "Data input/output bit 13 of the 16-bit parallel interface."
      },
      {
        "number": "4",
        "name": "DB12",
        "type": "bidirectional",
        "description": "Data input/output bit 12 of the 16-bit parallel interface."
      },
      {
        "number": "5",
        "name": "DB11",
        "type": "bidirectional",
        "description": "Data input/output bit 11 of the 16-bit parallel interface."
      },
      {
        "number": "6",
        "name": "DB10",
        "type": "bidirectional",
        "description": "Data input/output bit 10 of the 16-bit parallel interface."
      },
      {
        "number": "7",
        "name": "DB9",
        "type": "bidirectional",
        "description": "Data input/output bit 9 of the 16-bit parallel interface."
      },
      {
        "number": "8",
        "name": "DB8",
        "type": "bidirectional",
        "description": "Data input/output bit 8 of the 16-bit parallel interface."
      },
      {
        "number": "9",
        "name": "DB7",
        "type": "bidirectional",
        "description": "Data input/output bit 7 of the 16-bit parallel interface."
      },
      {
        "number": "10",
        "name": "DB6",
        "type": "bidirectional",
        "description": "Data input/output bit 6 of the 16-bit parallel interface."
      },
      {
        "number": "11",
        "name": "DB5",
        "type": "bidirectional",
        "description": "Data input/output bit 5 of the 16-bit parallel interface."
      },
      {
        "number": "12",
        "name": "DB4",
        "type": "bidirectional",
        "description": "Data input/output bit 4 of the 16-bit parallel interface."
      },
      {
        "number": "13",
        "name": "DB3",
        "type": "bidirectional",
        "description": "Data input/output bit 3 of the 16-bit parallel interface."
      },
      {
        "number": "14",
        "name": "DB2",
        "type": "bidirectional",
        "description": "Data input/output bit 2 of the 16-bit parallel interface."
      },
      {
        "number": "15",
        "name": "DB1",
        "type": "bidirectional",
        "description": "Data input/output bit 1 of the 16-bit parallel interface."
      },
      {
        "number": "16",
        "name": "DB0",
        "type": "bidirectional",
        "description": "Data input/output bit 0 (LSB) of the 16-bit parallel interface."
      },
      {
        "number": "17",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "18",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital supply input, 1.8 V to 5.5 V, which sets the digital I/O thresholds."
      },
      {
        "number": "19",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply input, 2.7 V to 5.5 V."
      },
      {
        "number": "20",
        "name": "VREFH",
        "type": "input",
        "description": "Positive reference voltage input, referenced to AGND, with VREFH greater than VREFL and range 0 to AVDD."
      },
      {
        "number": "21",
        "name": "VREFL",
        "type": "input",
        "description": "Negative reference voltage input, referenced to AGND and nominally AGND, with an acceptable range of −100 mV to 100 mV."
      },
      {
        "number": "22",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "23",
        "name": "VOUTSense",
        "type": "input",
        "description": "Analog output sense, the feedback terminal of the output amplifier."
      },
      {
        "number": "24",
        "name": "VOUT",
        "type": "output",
        "description": "Analog output voltage from the DAC, with rail-to-rail output amplifier operation."
      },
      {
        "number": "25",
        "name": "PD0",
        "type": "input",
        "description": "Powerdown control bit 0."
      },
      {
        "number": "26",
        "name": "PD1",
        "type": "input",
        "description": "Powerdown control bit 1."
      },
      {
        "number": "27",
        "name": "BTC/USB",
        "type": "input",
        "description": "Data input format select: high selects binary two's complement, low selects unipolar straight binary."
      },
      {
        "number": "28",
        "name": "RSTSEL",
        "type": "input",
        "description": "Selects reset of VOUT to min-scale (low) or mid-scale (high) on an active RST."
      },
      {
        "number": "29",
        "name": "RST",
        "type": "input",
        "description": "Rising edge resets VOUT to min-scale or mid-scale and does not reset input register data."
      },
      {
        "number": "30",
        "name": "LDAC",
        "type": "input",
        "description": "Asynchronous load command; a rising edge transfers input register data to the DAC register."
      },
      {
        "number": "31",
        "name": "R/W",
        "type": "input",
        "description": "Read/Write control input."
      },
      {
        "number": "32",
        "name": "CS",
        "type": "input",
        "description": "Chip select, active low."
      }
    ],
    "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 gives the DB15-DB0 pin range as 1-16 and states pin 1 is MSB and pin 16 is LSB; the pe"
        ],
        "pages_sent": 24,
        "cost_usd": 0.0327,
        "at": "2026-10-30T22:47:24"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/dac8541y.pdf",
        "pages": 24,
        "sha256": "648c6041e15dab10",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 32,
        "described": 32,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4260d12d1c44c974b4709100bf3defc76ff10c9f6f92725868ad0337e7e7348d",
        "checked": "2026-10-30",
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      },
      {
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        "zmin_mm": 0.0,
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        "sha256": "e3ebb8e4adf4cde1378df12707895ed6a9560a2d9ed34513666c724091934066",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  }
}