UAF42AU

{
  "slug": "uaf42au",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments ADCs/DACs - Special Purpose, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "uaf42au",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
  },
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    "README.md",
    "uaf42au.kicad_sym",
    "uaf42au.kicad_mod",
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    "uaf42au.step",
    "uaf42au.lbr",
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    "docs/uaf42au-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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  "component": {
    "mpn": "UAF42AU",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16-300mil",
    "pin_count": 16,
    "category": "Data Acquisition",
    "subcategory": "ADCs/DACs - Special Purpose",
    "datasheet": "https://www.ti.com/cn/lit/gpn/uaf42",
    "parts": {
      "symbol": "uaf42au.kicad_sym",
      "footprint": "uaf42au.kicad_mod",
      "model_3d": "uaf42au-hero.glb",
      "model_3d_plain": "uaf42au.glb",
      "model_3d_step": "uaf42au-etched.step",
      "model_3d_step_plain": "uaf42au.step",
      "lbr": "uaf42au.lbr"
    },
    "distributor_links": {
      "lcsc": "C12341",
      "digikey": "UAF42AU-ND",
      "mouser": "595-UAF42AU"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T02:50:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "UAF42AU-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-UAF42AU",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Low-Pass VO",
        "type": "output",
        "description": "Low-pass filter output of the state-variable filter, with ±11 V typical output swing into 2kΩ on the op amps and ±25 mA short-circuit current."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; for best performance connect to ground to minimize inter-lead capacitance."
      },
      {
        "number": "3",
        "name": "VIN3",
        "type": "input",
        "description": "Filter summing input 3 (In3) of the universal active filter, with on-chip 50kΩ ±0.5% resistor."
      },
      {
        "number": "4",
        "name": "VIN2",
        "type": "input",
        "description": "Filter summing input 2 (In2) of the universal active filter, with on-chip 50kΩ ±0.5% resistor."
      },
      {
        "number": "5",
        "name": "Auxiliary Op Amp, +In",
        "type": "input",
        "description": "Non-inverting input of the uncommitted FET-input auxiliary op amp, with input bias current 10 pA typical and common-mode range ±11.5 V."
      },
      {
        "number": "6",
        "name": "Auxiliary Op Amp, -In",
        "type": "input",
        "description": "Inverting input of the uncommitted FET-input auxiliary op amp, used for additional stages or band-reject and inverse Chebyshev filters."
      },
      {
        "number": "7",
        "name": "Auxiliary Op Amp, VO",
        "type": "output",
        "description": "Output of the uncommitted auxiliary op amp, with ±11 V minimum swing into 2kΩ and ±25 mA short-circuit current."
      },
      {
        "number": "8",
        "name": "Bandpass VO",
        "type": "output",
        "description": "Band-pass filter output of the state-variable filter."
      },
      {
        "number": "9",
        "name": "Frequency Adj1",
        "type": "passive",
        "description": "Frequency adjust node for the first integrator, where an external resistor sets the natural frequency together with the on-chip 1000pF ±0.5% capacitor."
      },
      {
        "number": "10",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply, operating range -6 V to -18 V (absolute maximum ±18 V)."
      },
      {
        "number": "11",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply, operating range +6 V to +18 V (absolute maximum ±18 V)."
      },
      {
        "number": "12",
        "name": "Ground",
        "type": "power_in",
        "description": "Ground reference for the filter."
      },
      {
        "number": "13",
        "name": "VIN1",
        "type": "input",
        "description": "Filter summing input 1 (In1) of the universal active filter, with on-chip 50kΩ ±0.5% resistor."
      },
      {
        "number": "14",
        "name": "High-Pass VO",
        "type": "output",
        "description": "High-pass filter output of the state-variable filter."
      },
      {
        "number": "15",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; for best performance connect to ground to minimize inter-lead capacitance."
      },
      {
        "number": "16",
        "name": "Frequency Adj2",
        "type": "passive",
        "description": "Frequency adjust node for the second integrator, where an external resistor sets the natural frequency together with the on-chip 1000pF ±0.5% capacitor."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 16,
        "cost_usd": 0.1134,
        "at": "2026-10-07T02:50:16"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/uaf42",
        "pages": 16,
        "sha256": "47c8145278cd4cf9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "zmin_mm": -0.0,
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        "checked": "2026-10-07",
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  }
}