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Ray Set visibility: public e81d0bf 11d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "log300rgtr",
  "title": "LOG300RGTR",
  "brief": "Texas Instruments Special Purpose Amplifiers, VQFN-16(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "amplifiers-comparators",
    "log300rgtr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LOG300RGTR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-16(3x3)",
    "pin_count": 17,
    "category": "Amplifiers/Comparators",
    "subcategory": "Special Purpose Amplifiers",
    "datasheet": "https://www.ti.com/lit/ds/symlink/log300.pdf",
    "parts": {
      "symbol": "log300rgtr.kicad_sym",
      "footprint": "log300rgtr.kicad_mod",
      "model_3d": "log300rgtr-hero.glb",
      "model_3d_plain": "log300rgtr-etched.glb",
      "model_3d_step": "log300rgtr-etched.step",
      "model_3d_step_plain": "log300rgtr.step",
      "lbr": "log300rgtr.lbr"
    },
    "distributor_links": {
      "lcsc": "C43355246"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T22:20:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin; recommended supply voltage is 3 V to 5.25 V, with an absolute maximum supply voltage of 5.5 V."
      },
      {
        "number": "2",
        "name": "Log_Out",
        "type": "output",
        "description": "Unbuffered output of the Log Detector block; connect a resistor RF to set the input-to-output slope and a capacitor CF to set the response time."
      },
      {
        "number": "3",
        "name": "Ref_Res",
        "type": "input",
        "description": "Connect a 1% 56 kΩ resistor to this pin; float it if the default relaxed slope accuracy is acceptable."
      },
      {
        "number": "4",
        "name": "Freq_Supply",
        "type": "power_in",
        "description": "Power supply for the Freq_Out function; float this pin if the frequency-detection feature is not required."
      },
      {
        "number": "5",
        "name": "Freq_Out",
        "type": "output",
        "description": "Output that toggles at the same signal frequency applied at Log_In."
      },
      {
        "number": "6",
        "name": "Inv_Buffer",
        "type": "output",
        "description": "Inverted buffered output, with VInv_Buffer = VCC - VLog_Out × 2."
      },
      {
        "number": "7",
        "name": "Buffer",
        "type": "output",
        "description": "Noninverting buffered output, with VBuffer = VLog_Out × 2."
      },
      {
        "number": "8",
        "name": "Log_Inm",
        "type": "input",
        "description": "Inverting input of the Log Detector block; connect an appropriate capacitor to ground when used with a single-ended input."
      },
      {
        "number": "9",
        "name": "Log_Inp",
        "type": "input",
        "description": "Noninverting input of the Log Detector block."
      },
      {
        "number": "10",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground for the LNA and Log Detector block."
      },
      {
        "number": "11",
        "name": "LNA_Out",
        "type": "output",
        "description": "Low-noise amplifier output."
      },
      {
        "number": "12",
        "name": "Offset_Cap",
        "type": "input",
        "description": "Connect a recommended capacitor from this pin to ground; it sets the pole of the internal offset correction loop."
      },
      {
        "number": "13",
        "name": "LNA_In",
        "type": "input",
        "description": "Low-noise amplifier input; the absolute maximum LNA input voltage is ±1 VP."
      },
      {
        "number": "14",
        "name": "AFE_En",
        "type": "input",
        "description": "LNA and Log Detector block enable and disable pin; High enables the AFE, and floating keeps both blocks enabled."
      },
      {
        "number": "15",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground for the Freq_Out pin."
      },
      {
        "number": "16",
        "name": "LNA_En",
        "type": "input",
        "description": "Low-noise amplifier enable and disable pin; High enables the LNA, and floating keeps the LNA enabled."
      },
      {
        "number": "17",
        "name": "Thermal Pad",
        "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-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 VQFN package has a thermal pad (listed in Table 4-1 and Figure 4-2 without a number). It is elec; Pin numbers and types were taken from the RGT (VQFN) column of Table 4-1 and cross-checked against t",
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0487,
        "at": "2026-10-17T22:18:59"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/log300.pdf",
        "pages": 34,
        "sha256": "1704327da3434139",
        "source_tier": "mfr"
      },
      "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": "log300rgtr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          3,
          0.785
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "log300rgtr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          3,
          0.785
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "7a14ffc77f97ccb2d1d9a7ccf81e554ccea4b16d1b3aad83f0ee1b8b4f0c6589",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-16(3x3)",
      "Category": "Amplifiers/Comparators",
      "Pins": "17"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "1704327da34341398730675661b83680380619230c3138b5ca1c04630fe7e440",
      "rows": [
        {
          "name": "Supply voltage (recommended operating)",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 5.25,
          "conditions": "Over operating free-air temperature range",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ambient temperature (recommended operating)",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": 25,
          "max": 125,
          "conditions": "Over operating free-air temperature range",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage and Freq_Supply (absolute maximum)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5.5,
          "conditions": "Over operating free-air temperature range",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply turn-on and turn-off maximum dV/dT",
          "symbol": "dV/dT",
          "kind": "absolute_maximum",
          "unit": "V/µs",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "Supply turn-on and turn-off edge rate",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "LNA input voltage (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "VP",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "LNA_In",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Continuous input current for all pins (absolute maximum)",
          "symbol": "II",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "Continuous input current for all pins",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum junction temperature (absolute maximum)",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature (absolute maximum)",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance (VQFN RGT)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 48.2,
          "max": null,
          "conditions": "RGT (VQFN, 16 pins) package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance (VQFN RGT)",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 56,
          "max": null,
          "conditions": "RGT (VQFN, 16 pins) package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance (VQFN RGT)",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 23.4,
          "max": null,
          "conditions": "RGT (VQFN, 16 pins) package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-top characterization parameter (VQFN RGT)",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 1.6,
          "max": null,
          "conditions": "RGT (VQFN, 16 pins) package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board characterization parameter (VQFN RGT)",
          "symbol": "ψJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 23.4,
          "max": null,
          "conditions": "RGT (VQFN, 16 pins) package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (bottom) thermal resistance (VQFN RGT)",
          "symbol": "RθJC(bottom)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 8.2,
          "max": null,
          "conditions": "RGT (VQFN, 16 pins) package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Internal gain error",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": 0.8,
          "max": 1,
          "conditions": "TA = –40°C to +125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output impedance of LNA",
          "symbol": "",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 0.85,
          "typ": 1,
          "max": 1.15,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent operating current (LNA)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2,
          "max": 2.7,
          "conditions": "LNA_Out = Open",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent operating current (LNA), over temperature",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "TA = –40°C to +125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Log conformance error",
          "symbol": "LCE",
          "kind": "tolerance",
          "unit": "dB",
          "min": -1,
          "typ": 0.6,
          "max": 1,
          "conditions": "f = 1MHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Log conformance error, over temperature",
          "symbol": "LCE",
          "kind": "tolerance",
          "unit": "dB",
          "min": -1.1,
          "typ": null,
          "max": 1.1,
          "conditions": "TA = –40°C to +125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Log conformance error at 40MHz",
          "symbol": "LCE",
          "kind": "tolerance",
          "unit": "dB",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "f = 40MHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Log conformance error at 40MHz, over temperature",
          "symbol": "LCE",
          "kind": "tolerance",
          "unit": "dB",
          "min": -2.5,
          "typ": null,
          "max": 2.5,
          "conditions": "TA = –40°C to +125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Dynamic range",
          "symbol": "DR",
          "kind": "electrical",
          "unit": "dB",
          "min": 96,
          "typ": 98,
          "max": null,
          "conditions": "LCE = ±1dB, f = 1MHz, VCC = 5V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Log-Detector slope variation (Ref_Res = 56kΩ)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -6,
          "typ": 1,
          "max": 6,
          "conditions": "Ref_Res = 56kΩ, f = 1MHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Log-Detector slope variation (Ref_Res = 56kΩ), over temperature",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -6.8,
          "typ": null,
          "max": 6.8,
          "conditions": "TA = –40°C to +125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Log-Detector slope variation (Ref_Res open)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -4.5,
          "typ": null,
          "max": 4.5,
          "conditions": "Ref_Res = open, f = 1MHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Log-Detector slope variation (Ref_Res open), over temperature",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -5.6,
          "typ": null,
          "max": 5.6,
          "conditions": "TA = –40°C to +125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Minimum output voltage (QFN package)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": 82,
          "typ": 142,
          "max": 233,
          "conditions": "Log_Inp = 10nF to AGND, QFN Package",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Minimum output voltage (QFN package), over temperature",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 301,
          "conditions": "TA = –40°C to +125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current through VCC (Log Detector)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.6,
          "max": 4.6,
          "conditions": "Current through VCC",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current through VCC (Log Detector), over temperature",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
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          "typ": null,
          "max": 5.9,
          "conditions": "TA = –40°C to +125°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Log conformance error (AFE)",
          "symbol": "LCE",
          "kind": "tolerance",
          "unit": "dB",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "f = 1MHz",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Log conformance error (AFE), over temperature",
          "symbol": "LCE",
          "kind": "tolerance",
          "unit": "dB",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "TA = –40°C to +125°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Log-Detector slope variation (AFE, Ref_Res open)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -4.5,
          "typ": null,
          "max": 4.5,
          "conditions": "Ref_Res = open",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Log-Detector slope variation (AFE, Ref_Res = 56kΩ)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -7,
          "typ": 1,
          "max": 7,
          "conditions": "Ref_Res = 56kΩ",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Log-Detector slope variation (AFE, Ref_Res = 56kΩ), over temperature",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -7.2,
          "typ": null,
          "max": 7.2,
          "conditions": "Ref_Res = 56kΩ, TA = –40°C to +125°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Minimum output voltage (AFE), over temperature",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 450,
          "conditions": "TA = –40°C to +125°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "VCC quiescent current (total AFE)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 6,
          "max": 7.2,
          "conditions": "Total AFE, LNA_Out = open",
          "source_page": 8,
          "source": "datasheet"
        },
        {
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