PGA300ARHHR

{
  "schema_version": 1,
  "type": "component",
  "slug": "pga300arhhr",
  "title": "PGA300ARHHR",
  "brief": "Texas Instruments Pre-ordered Chips, VQFN-36-EP(6x6). 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",
    "interface ics",
    "pga300arhhr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "PGA300ARHHR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-36-EP(6x6)",
    "pin_count": 37,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://www.ti.com/cn/lit/gpn/pga300",
    "parts": {
      "symbol": "pga300arhhr.kicad_sym",
      "footprint": "pga300arhhr.kicad_mod",
      "model_3d": "pga300arhhr-hero.glb",
      "model_3d_plain": "pga300arhhr-etched.glb",
      "model_3d_step": "pga300arhhr-etched.step",
      "model_3d_step_plain": "pga300arhhr.step",
      "lbr": "pga300arhhr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2861776"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T18:29:46Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 870 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NU",
        "type": "unconnected",
        "description": "No external connection: leave floating; solder to the PCB but do not connect electrically to any net."
      },
      {
        "number": "2",
        "name": "DVDD_MEM",
        "type": "power_in",
        "description": "Supply for the EEPROM and OTP; connect to DVDD."
      },
      {
        "number": "3",
        "name": "DVDD",
        "type": "power_out",
        "description": "DVDD regulator output (1.8 V typical); connect a 100 nF capacitor to DVSS."
      },
      {
        "number": "4",
        "name": "NU",
        "type": "unconnected",
        "description": "No external connection: leave floating; solder to the PCB but do not connect electrically to any net."
      },
      {
        "number": "5",
        "name": "PWR",
        "type": "power_in",
        "description": "Input supply (3.3 V to 30 V recommended, also the OWI communication line); connect a 100 nF capacitor to GND."
      },
      {
        "number": "6",
        "name": "DACCAP",
        "type": "passive",
        "description": "DAC capacitor pin for the external RC low-pass filter between the DAC output and the DAC gain amplifier."
      },
      {
        "number": "7",
        "name": "NU",
        "type": "unconnected",
        "description": "No external connection: leave floating; solder to the PCB but do not connect electrically to any net."
      },
      {
        "number": "8",
        "name": "OUT",
        "type": "output",
        "description": "DAC gain stage output (absolute rating -0.3 V to 33 V)."
      },
      {
        "number": "9",
        "name": "AVDD",
        "type": "power_out",
        "description": "AVDD regulator output (3 V typical); connect a 100 nF capacitor to AVSS."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; connect AVSS, DVSS and GND together."
      },
      {
        "number": "11",
        "name": "FB–",
        "type": "input",
        "description": "Feedback negative input of the output amplifier; connect to OUT in voltage output mode, unused in current output mode."
      },
      {
        "number": "12",
        "name": "FB+",
        "type": "input",
        "description": "Feedback positive input of the output amplifier (-2 V to VPWR + 0.3 V); returns to the supply return in current output mode, unused in voltage output mode."
      },
      {
        "number": "13",
        "name": "COMP",
        "type": "input",
        "description": "Output amplifier compensation pin for driving large capacitive loads."
      },
      {
        "number": "14",
        "name": "BRG–",
        "type": "power_out",
        "description": "Bridge drive, negative terminal."
      },
      {
        "number": "15",
        "name": "BRG+",
        "type": "power_out",
        "description": "Bridge drive, positive terminal (programmable 2.5 V, 2 V or 1.25 V bridge supply)."
      },
      {
        "number": "16",
        "name": "REFCAP",
        "type": "passive",
        "description": "Precision reference capacitor pin; connect a 100 nF capacitor to AVSS (10 nF to 1000 nF allowed)."
      },
      {
        "number": "17",
        "name": "INP–",
        "type": "input",
        "description": "Resistive sensor negative input (-0.3 V to 2 V absolute maximum)."
      },
      {
        "number": "18",
        "name": "INP+",
        "type": "input",
        "description": "Resistive sensor positive input (-0.3 V to 2 V absolute maximum)."
      },
      {
        "number": "19",
        "name": "NU",
        "type": "unconnected",
        "description": "No external connection: leave floating; solder to the PCB but do not connect electrically to any net."
      },
      {
        "number": "20",
        "name": "NU",
        "type": "unconnected",
        "description": "No external connection: leave floating; solder to the PCB but do not connect electrically to any net."
      },
      {
        "number": "21",
        "name": "INT+",
        "type": "input",
        "description": "External temperature sensor positive input (-0.3 V to 2 V absolute maximum)."
      },
      {
        "number": "22",
        "name": "INT–",
        "type": "input",
        "description": "External temperature sensor negative input (-0.3 V to 2 V absolute maximum)."
      },
      {
        "number": "23",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground; connect AVSS, DVSS and GND together."
      },
      {
        "number": "24",
        "name": "NU",
        "type": "unconnected",
        "description": "No external connection: leave floating; solder to the PCB but do not connect electrically to any net."
      },
      {
        "number": "25",
        "name": "NU",
        "type": "unconnected",
        "description": "No external connection: leave floating; solder to the PCB but do not connect electrically to any net."
      },
      {
        "number": "26",
        "name": "NU",
        "type": "unconnected",
        "description": "No external connection: leave floating; solder to the PCB but do not connect electrically to any net."
      },
      {
        "number": "27",
        "name": "NU",
        "type": "unconnected",
        "description": "No external connection: leave floating; solder to the PCB but do not connect electrically to any net."
      },
      {
        "number": "28",
        "name": "NU",
        "type": "unconnected",
        "description": "No external connection: leave floating; solder to the PCB but do not connect electrically to any net."
      },
      {
        "number": "29",
        "name": "NU",
        "type": "unconnected",
        "description": "No external connection: leave floating; solder to the PCB but do not connect electrically to any net."
      },
      {
        "number": "30",
        "name": "NU",
        "type": "unconnected",
        "description": "No external connection: leave floating; solder to the PCB but do not connect electrically to any net."
      },
      {
        "number": "31",
        "name": "NU",
        "type": "unconnected",
        "description": "No external connection: leave floating; solder to the PCB but do not connect electrically to any net."
      },
      {
        "number": "32",
        "name": "DVSS",
        "type": "power_in",
        "description": "Digital ground; connect AVSS, DVSS and GND together."
      },
      {
        "number": "33",
        "name": "NU",
        "type": "unconnected",
        "description": "No external connection: leave floating; solder to the PCB but do not connect electrically to any net."
      },
      {
        "number": "34",
        "name": "NU",
        "type": "unconnected",
        "description": "No external connection: leave floating; solder to the PCB but do not connect electrically to any net."
      },
      {
        "number": "35",
        "name": "NU",
        "type": "unconnected",
        "description": "No external connection: leave floating; solder to the PCB but do not connect electrically to any net."
      },
      {
        "number": "36",
        "name": "NU",
        "type": "unconnected",
        "description": "No external connection: leave floating; solder to the PCB but do not connect electrically to any net."
      },
      {
        "number": "37",
        "name": "Thermal Pad",
        "type": "power_in",
        "description": "Exposed thermal pad; connect to AVSS."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet prints no number for the thermal pad. It is shown only as 'Thermal Pad' and 散热焊盘. Numb; The datasheet does not give a direction for DACCAP and REFCAP beyond 'O' (capacitor connections). Th",
          "1/37 pins cited to the wrong page (name found elsewhere): ['37:Thermal Pad@p4']"
        ],
        "pages_sent": 49,
        "cost_usd": 0.4222,
        "at": "2026-10-23T18:29:12"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/pga300",
        "pages": 80,
        "sha256": "95d99ebc3c877db5",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 37,
        "described": 37,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "pga300arhhr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          6,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6212c4fd2463ccb7c6ae2c35f5e24c80884153fcaeaf8e86549c0e49087bc8bb",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pga300arhhr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          6,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ae64a5d2fa7cfde3f84f5b06607a5e3039ae5bbfbada3d9f0dd623175de1cfe1",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-36-EP(6x6)",
      "Category": "Interface ICs",
      "Pins": "37"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "95d99ebc3c877db546ce1edba07cd8db2d6a427d121fdbfe445a512779bebe56",
      "rows": [
        {
          "name": "Supply voltage",
          "symbol": "VPWR",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -28,
          "typ": null,
          "max": 33,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Voltage at sensor input pins INP+, INP-, INT+, INT-",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Voltage at AVDD, AVSS, BRG+, BRG-, COMP, DACCAP, DVDD, DVDD_MEM, DVSS, FB-, REFCAP",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Voltage at FB+ pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2,
          "typ": null,
          "max": null,
          "conditions": "max = VPWR + 0.3 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Voltage at OUT pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 33,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply current (OUT shorted to GND)",
          "symbol": "IPWR",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "OUT pin shorted to GND",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum junction temperature",
          "symbol": "TJmax",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 155,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2000,
          "typ": null,
          "max": 2000,
          "conditions": "HBM, ANSI/ESDA/JEDEC JS-001",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ESD CDM",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -500,
          "typ": null,
          "max": 500,
          "conditions": "CDM, JESD22-C101",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VPWR",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3.3,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Slew rate",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V/µs",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "VPWR = 0V to 30V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Capacitance on PWR pin",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "nF",
          "min": 10,
          "typ": 100,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Capacitance on REFCAP pin",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "nF",
          "min": 10,
          "typ": 100,
          "max": 1000,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EEPROM programming temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 140,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 30.6,
          "max": null,
          "conditions": "RHH (VQFN) 36 pin",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 16.4,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 5.4,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-top characterization parameter",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 0.2,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board characterization parameter",
          "symbol": "ψJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 5.4,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (bottom) thermal resistance",
          "symbol": "RθJC(bot)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 0.7,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Reverse voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": -28,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Drop across reverse voltage protection element",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "AVDD voltage",
          "symbol": "VAVDD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3,
          "max": null,
          "conditions": "CAVDD = 100nF",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "DVDD voltage - operating",
          "symbol": "VDVDD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.8,
          "max": null,
          "conditions": "CDVDD = 100nF",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Bridge excitation voltage, 2.5 V setting",
          "symbol": "VBRG+ – VBRG–",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.5,
          "max": null,
          "conditions": "VBRDG_CTRL[1:0] = 0b00, no load",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Bridge current supply",
          "symbol": "IBRG",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Bridge capacitive load",
          "symbol": "CBRG",
          "kind": "electrical",
          "unit": "nF",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "RBRG = 20kΩ",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "External temperature sensor capacitive load",
          "symbol": "CTEMP",
          "kind": "electrical",
          "unit": "nF",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Internal temperature sensor range",
          "symbol": "",
          "kind": "electrical",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "P gain input offset voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "µV",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "P gain CMRR",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 110,
          "typ": null,
          "max": null,
          "conditions": "fCM = 50Hz, P gain = 5V/V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "P ADC INL",
          "symbol": "INL",
          "kind": "electrical",
          "unit": "LSB",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "P ADC differential input range",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": -2.5,
          "typ": null,
          "max": 2.5,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "T ADC INL",
          "symbol": "INL",
          "kind": "electrical",
          "unit": "LSB",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Supply current, normal operation",
          "symbol": "IPWR",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 2.5,
          "conditions": "No load on BRG, no load on DAC",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Supply current, EEPROM programming",
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