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Ray Set visibility: public 86b2a6f 3d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "ads1283birhfr",
  "title": "ADS1283BIRHFR",
  "brief": "Texas Instruments Analog To Digital Converters (ADCs), VQFN-24-EP(4x5). 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",
    "adc-dac-data conversion",
    "ads1283birhfr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ADS1283BIRHFR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-24-EP(4x5)",
    "pin_count": 25,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Analog To Digital Converters (ADCs)",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ads1283birhfr.pdf",
    "parts": {
      "symbol": "ads1283birhfr.kicad_sym",
      "footprint": "ads1283birhfr.kicad_mod",
      "model_3d": "ads1283birhfr-hero.glb",
      "model_3d_plain": "ads1283birhfr-etched.glb",
      "model_3d_step": "ads1283birhfr-etched.step",
      "model_3d_step_plain": "ads1283birhfr.step",
      "lbr": "ads1283birhfr.lbr"
    },
    "distributor_links": {
      "lcsc": "C1855751",
      "digikey": "296-ADS1283BIRHFRTR-ND",
      "mouser": "595-ADS1283BIRHFR"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T23:11:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-ADS1283BIRHFRTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-ADS1283BIRHFR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DRDY",
        "type": "output",
        "description": "Data ready output, active low, signals that a conversion result is available."
      },
      {
        "number": "2",
        "name": "DOUT",
        "type": "output",
        "description": "Serial interface data output."
      },
      {
        "number": "3",
        "name": "DIN",
        "type": "input",
        "description": "Serial interface data input."
      },
      {
        "number": "4",
        "name": "CS",
        "type": "input",
        "description": "Serial interface chip select, active low."
      },
      {
        "number": "5",
        "name": "SYNC",
        "type": "input",
        "description": "Synchronize input, active on the rising edge, used to synchronize conversions across multiple ADS1283 devices."
      },
      {
        "number": "6",
        "name": "MFLAG",
        "type": "output",
        "description": "Modulator overrange flag: 0 = normal, 1 = modulator overrange."
      },
      {
        "number": "7",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground, to be tied to the digital ground plane."
      },
      {
        "number": "8",
        "name": "CAPN",
        "type": "output",
        "description": "PGA output; connect a 10-nF capacitor from CAPP to CAPN."
      },
      {
        "number": "9",
        "name": "CAPP",
        "type": "output",
        "description": "PGA output; connect a 10-nF capacitor from CAPP to CAPN."
      },
      {
        "number": "10",
        "name": "AINP2",
        "type": "input",
        "description": "Positive analog input 2."
      },
      {
        "number": "11",
        "name": "AINN2",
        "type": "input",
        "description": "Negative analog input 2."
      },
      {
        "number": "12",
        "name": "AINP1",
        "type": "input",
        "description": "Positive analog input 1."
      },
      {
        "number": "13",
        "name": "AINN1",
        "type": "input",
        "description": "Negative analog input 1."
      },
      {
        "number": "14",
        "name": "AVDD",
        "type": "power_in",
        "description": "Positive analog power supply; AVDD must be AVSS + 4.75 V to AVSS + 5.25 V (recommended operating conditions)."
      },
      {
        "number": "15",
        "name": "AVSS",
        "type": "power_in",
        "description": "Negative analog power supply, -2.6 V to 0 V relative to DGND per recommended operating conditions."
      },
      {
        "number": "16",
        "name": "VREFN",
        "type": "input",
        "description": "Negative reference input; AVSS - 0.1 V to VREFP - 1 V per recommended operating conditions."
      },
      {
        "number": "17",
        "name": "VREFP",
        "type": "input",
        "description": "Positive reference input; VREFN + 1 V to AVDD + 0.1 V per recommended operating conditions."
      },
      {
        "number": "18",
        "name": "PWDN",
        "type": "input",
        "description": "Power-down input, active low."
      },
      {
        "number": "19",
        "name": "RESET",
        "type": "input",
        "description": "Reset input, active low."
      },
      {
        "number": "20",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital power supply, 1.65 V to 3.6 V."
      },
      {
        "number": "21",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground, to be tied to the digital ground plane."
      },
      {
        "number": "22",
        "name": "BYPAS",
        "type": "output",
        "description": "1.8-V sub-regulator output; connect a 1-µF capacitor to DGND."
      },
      {
        "number": "23",
        "name": "CLK",
        "type": "input",
        "description": "Master clock input, 4.096 MHz."
      },
      {
        "number": "24",
        "name": "SCLK",
        "type": "input",
        "description": "Serial interface shift clock input."
      },
      {
        "number": "25",
        "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-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Thermal pad is not a numbered pin. Datasheet says do not electrically connect it and it must be sold; DGND appears on two pins (7 and 21). Both are listed as separate entries because the datasheet lists; Pin types mapped to KiCad classes from the datasheet's I/O column: supplies to power_in, CAPP/CAPN P",
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0544,
        "at": "2026-10-30T23:10:49"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ads1283birhfr.pdf",
        "pages": 68,
        "sha256": "6e9fc54f7ea0b7c0",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ads1283birhfr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          5,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd34955bd2f41c7d5d4f45257df2b8077e42f694598de69e58ad55ad191eecae",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ads1283birhfr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          5,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "56847ebbece7a21264fe83c6b0ced90f1cc7b8ea42b2a2db0796ab2de6b9645d",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "RHF",
      "source_page": 65,
      "D": {
        "nom_mm": 5,
        "range_mm": [
          4.9,
          5.1
        ]
      },
      "E1": {
        "nom_mm": 4,
        "range_mm": [
          3.9,
          4.1
        ]
      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1,
        "range_mm": [
          null,
          1
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ads1283birhfr.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-24-EP(4x5)",
      "Category": "ADC/DAC/Data Conversion",
      "Pins": "25"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "6e9fc54f7ea0b7c06461035d62bf96743b894ae82a0a1bac729cba6a008e6010",
      "rows": [
        {
          "name": "Negative analog supply AVSS (relative to DGND)",
          "symbol": "AVSS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -2.6,
          "typ": null,
          "max": 0,
          "conditions": "relative to DGND",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Positive digital supply DVDD (relative to DGND)",
          "symbol": "DVDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.65,
          "typ": null,
          "max": 3.6,
          "conditions": "relative to DGND",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Clock input",
          "symbol": "fCLK",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": 1,
          "typ": null,
          "max": 4.096,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Specified temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Reference input voltage",
          "symbol": "VREF",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1,
          "typ": 5,
          "max": null,
          "conditions": "VREF = VREFP – VREFN",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "AVDD to AVSS",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "AVSS to DGND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2.8,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "DVDD to DGND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.9,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input current, continuous",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -50,
          "typ": null,
          "max": 125,
          "conditions": "over operating free-air temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -60,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output impedance tolerance (PGA output)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "External bypass capacitance (CAPP, CAPN)",
          "symbol": "",
          "kind": "electrical",
          "unit": "nF",
          "min": 10,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Signal-to-noise ratio",
          "symbol": "SNR",
          "kind": "electrical",
          "unit": "dB",
          "min": 120,
          "typ": 124,
          "max": null,
          "conditions": "Inputs shorted (footnote 2)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Total harmonic distortion, ADS1283 and ADS1283B, PGA = 1, 2, 4, 8, 16",
          "symbol": "THD",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": -122,
          "max": -114,
          "conditions": "Input 31.25 Hz, –0.5 dBFS (footnote 3)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Total harmonic distortion, ADS1283 and ADS1283B, PGA = 32",
          "symbol": "THD",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": -117,
          "max": -110,
          "conditions": "Input 31.25 Hz, –0.5 dBFS (footnote 3)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Data rate, FIR filter mode",
          "symbol": "fDATA",
          "kind": "electrical",
          "unit": "SPS",
          "min": 250,
          "typ": null,
          "max": 4000,
          "conditions": "FIR filter mode",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Data rate, sinc filter mode",
          "symbol": "fDATA",
          "kind": "electrical",
          "unit": "SPS",
          "min": 8000,
          "typ": null,
          "max": 128000,
          "conditions": "Sinc filter mode",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Offset (input referred), OFFSET disabled",
          "symbol": "",
          "kind": "electrical",
          "unit": "µV",
          "min": -200,
          "typ": 50,
          "max": 200,
          "conditions": "OFFSET disabled",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Gain error",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -1.5,
          "typ": -1,
          "max": -0.5,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Gain matching",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.3,
          "max": 0.8,
          "conditions": "Relative to gain = 1 (footnote 7)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Common-mode rejection",
          "symbol": "CMR",
          "kind": "electrical",
          "unit": "dB",
          "min": 95,
          "typ": 110,
          "max": null,
          "conditions": "fCM = 60 Hz, 1.25 VPP (footnote 8)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Power-supply rejection, AVDD, AVSS",
          "symbol": "PSR",
          "kind": "electrical",
          "unit": "dB",
          "min": 80,
          "typ": 90,
          "max": null,
          "conditions": "fPS = 60 Hz, 100 mVPP (footnote 8)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Power-supply rejection, DVDD",
          "symbol": "PSR",
          "kind": "electrical",
          "unit": "dB",
          "min": 90,
          "typ": 115,
          "max": null,
          "conditions": "fPS = 60 Hz, 100 mVPP (footnote 8)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High-pass filter corner",
          "symbol": "",
          "kind": "electrical",
          "unit": "Hz",
          "min": 0.1,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Pass-band ripple",
          "symbol": "",
          "kind": "tolerance",
          "unit": "dB",
          "min": -0.003,
          "typ": null,
          "max": 0.003,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input leakage",
          "symbol": "Ilkg",
          "kind": "tolerance",
          "unit": "µA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "0 < VDIGITAL IN < DVDD",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "AVDD, AVSS current, operating",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.2,
          "max": 5.5,
          "conditions": "PGA = 1, 2, 4, 8",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "AVDD, AVSS current, operating",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4,
          "max": 6,
          "conditions": "PGA = 16, 32, 64",
          "source_page": 8,
          "source": "datasheet"
        },
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