main
Ray Set visibility: public a549997 1d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "ads7953sbrhbt",
  "title": "ADS7953SBRHBT",
  "brief": "TEXAS INSTRUMENTS Global Sourcing Parts, VQFN-32-EP(5x5). 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",
    "global sourcing parts",
    "ads7953sbrhbt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ADS7953SBRHBT",
    "manufacturer": "TEXAS INSTRUMENTS",
    "package": "VQFN-32-EP(5x5)",
    "pin_count": 33,
    "category": "Global Sourcing Parts",
    "subcategory": "Global Sourcing Parts",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ads7950.pdf",
    "parts": {
      "symbol": "ads7953sbrhbt.kicad_sym",
      "footprint": "ads7953sbrhbt.kicad_mod",
      "model_3d": "ads7953sbrhbt-hero.glb",
      "model_3d_plain": "ads7953sbrhbt-etched.glb",
      "model_3d_step": "ads7953sbrhbt-etched.step",
      "model_3d_step_plain": "ads7953sbrhbt.step",
      "lbr": "ads7953sbrhbt.lbr"
    },
    "distributor_links": {
      "lcsc": "C701669",
      "digikey": "296-25844-2-ND",
      "mouser": "595-ADS7953SBRHBT"
    },
    "distributor_check": {
      "checked_at": "2026-11-02T16:40:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-25844-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-ADS7953SBRHBT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground pin for the analog supply and ADC circuitry."
      },
      {
        "number": "2",
        "name": "MXO",
        "type": "output",
        "description": "Multiplexer output pin that feeds the ADC input path."
      },
      {
        "number": "3",
        "name": "AINP",
        "type": "input",
        "description": "ADC input signal pin."
      },
      {
        "number": "4",
        "name": "AINM",
        "type": "input",
        "description": "ADC input ground pin."
      },
      {
        "number": "5",
        "name": "Ch15",
        "type": "input",
        "description": "Analog-input channel for the multiplexer, with an absolute input range of AGND to +VA plus 0.3 V."
      },
      {
        "number": "6",
        "name": "Ch14",
        "type": "input",
        "description": "Analog-input channel for the multiplexer, with an absolute input range of AGND to +VA plus 0.3 V."
      },
      {
        "number": "7",
        "name": "Ch13",
        "type": "input",
        "description": "Analog-input channel for the multiplexer, with an absolute input range of AGND to +VA plus 0.3 V."
      },
      {
        "number": "8",
        "name": "Ch12",
        "type": "input",
        "description": "Analog-input channel for the multiplexer, with an absolute input range of AGND to +VA plus 0.3 V."
      },
      {
        "number": "9",
        "name": "Ch11",
        "type": "input",
        "description": "Analog-input channel for the multiplexer, with an absolute input range of AGND to +VA plus 0.3 V."
      },
      {
        "number": "10",
        "name": "Ch10",
        "type": "input",
        "description": "Analog-input channel for the multiplexer, with an absolute input range of AGND to +VA plus 0.3 V."
      },
      {
        "number": "11",
        "name": "Ch9",
        "type": "input",
        "description": "Analog-input channel for the multiplexer, with an absolute input range of AGND to +VA plus 0.3 V."
      },
      {
        "number": "12",
        "name": "Ch8",
        "type": "input",
        "description": "Analog-input channel for the multiplexer, with an absolute input range of AGND to +VA plus 0.3 V."
      },
      {
        "number": "13",
        "name": "Ch7",
        "type": "input",
        "description": "Analog-input channel for the multiplexer, with an absolute input range of AGND to +VA plus 0.3 V."
      },
      {
        "number": "14",
        "name": "Ch6",
        "type": "input",
        "description": "Analog-input channel for the multiplexer, with an absolute input range of AGND to +VA plus 0.3 V."
      },
      {
        "number": "15",
        "name": "Ch5",
        "type": "input",
        "description": "Analog-input channel for the multiplexer, with an absolute input range of AGND to +VA plus 0.3 V."
      },
      {
        "number": "16",
        "name": "Ch4",
        "type": "input",
        "description": "Analog-input channel for the multiplexer, with an absolute input range of AGND to +VA plus 0.3 V."
      },
      {
        "number": "17",
        "name": "Ch3",
        "type": "input",
        "description": "Analog-input channel for the multiplexer, with an absolute input range of AGND to +VA plus 0.3 V."
      },
      {
        "number": "18",
        "name": "Ch2",
        "type": "input",
        "description": "Analog-input channel for the multiplexer, with an absolute input range of AGND to +VA plus 0.3 V."
      },
      {
        "number": "19",
        "name": "Ch1",
        "type": "input",
        "description": "Analog-input channel for the multiplexer, with an absolute input range of AGND to +VA plus 0.3 V."
      },
      {
        "number": "20",
        "name": "Ch0",
        "type": "input",
        "description": "Analog-input channel for the multiplexer, with an absolute input range of AGND to +VA plus 0.3 V."
      },
      {
        "number": "21",
        "name": "+VA",
        "type": "power_in",
        "description": "Analog power supply, 2.7 V to 5.25 V."
      },
      {
        "number": "22",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground pin."
      },
      {
        "number": "23",
        "name": "CS",
        "type": "input",
        "description": "Chip-select input pin; active low."
      },
      {
        "number": "24",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input pin, up to 20 MHz."
      },
      {
        "number": "25",
        "name": "SDI",
        "type": "input",
        "description": "Serial data input pin."
      },
      {
        "number": "26",
        "name": "SDO",
        "type": "output",
        "description": "Serial data output pin."
      },
      {
        "number": "27",
        "name": "BDGND",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "28",
        "name": "+VBD",
        "type": "power_in",
        "description": "Digital I/O supply, 1.7 V to V(+VA)."
      },
      {
        "number": "29",
        "name": "GPIO0",
        "type": "bidirectional",
        "description": "General-purpose input or output that also serves as the active high alarm output."
      },
      {
        "number": "30",
        "name": "REFM",
        "type": "input",
        "description": "Reference ground pin."
      },
      {
        "number": "31",
        "name": "REFP",
        "type": "input",
        "description": "Reference input pin, 2 V to 3 V with 2.5 V nominal."
      },
      {
        "number": "32",
        "name": "+VA",
        "type": "power_in",
        "description": "Analog power supply, 2.7 V to 5.25 V."
      },
      {
        "number": "33",
        "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: The VQFN pin-function table gives pin numbers for the ADS7953 column only; the exposed thermal pad (; Pins 1 to 32 were mapped from the ADS7953/ADS7957/ADS7961 column of the RHB (32-pin VQFN) pin-functi"
        ],
        "pages_sent": 26,
        "cost_usd": 0.0556,
        "at": "2026-11-02T16:40:34"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ads7950.pdf",
        "pages": 87,
        "sha256": "e7922065e4d1691d",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "ads7953sbrhbt.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5,
          5,
          0.875
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ads7953sbrhbt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c353d2c798599907870de3f2d36a6ee15f2fe6f916296772c44d9585cde5f080",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TEXAS INSTRUMENTS",
      "Package": "VQFN-32-EP(5x5)",
      "Category": "Global Sourcing Parts",
      "Pins": "33"
    },
    "appearance": {
      "contacts": {
        "quote": "• A copper fill area underneath the device ties the AGND, BDGND, AINM, and REFM pins together. This",
        "page": 52,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "e7922065e4d1691d2c1b9599273a07d1854331a47f7818d70fe830e9a8811d8b"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "e7922065e4d1691d2c1b9599273a07d1854331a47f7818d70fe830e9a8811d8b",
      "rows": [
        {
          "name": "Integral linearity",
          "symbol": "INL",
          "kind": "electrical",
          "unit": "LSB",
          "min": -1,
          "typ": 0.5,
          "max": 1,
          "conditions": "ADS795XSB",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Differential linearity",
          "symbol": "DNL",
          "kind": "electrical",
          "unit": "LSB",
          "min": -0.99,
          "typ": 0.5,
          "max": 1,
          "conditions": "ADS795XSB",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Offset error",
          "symbol": "",
          "kind": "electrical",
          "unit": "LSB",
          "min": -3.5,
          "typ": 1.1,
          "max": 3.5,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Gain error",
          "symbol": "",
          "kind": "electrical",
          "unit": "LSB",
          "min": -2,
          "typ": 0.2,
          "max": 2,
          "conditions": "Range 1",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Total unadjusted error (TUE)",
          "symbol": "",
          "kind": "electrical",
          "unit": "LSB",
          "min": -2,
          "typ": null,
          "max": 2,
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          "source": "datasheet"
        },
        {
          "name": "Absolute input range",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": -0.2,
          "typ": null,
          "max": null,
          "conditions": "Range 1; maximum printed as VREF + 0.2",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "VIL logic level",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "+VBD = 5 V",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "VIL logic level",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "+VBD = 3 V",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "VOL logic level",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "At Isink = 200 μA",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Supply current (normal mode)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.3,
          "max": 3,
          "conditions": "At +VA = 4.7 to 5.25 V and 1 MHz throughput",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Supply current (normal mode, static state)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.1,
          "max": 1.5,
          "conditions": "At +VA = 4.7 to 5.25 V static state",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "High threshold range",
          "symbol": "",
          "kind": "electrical",
          "unit": "LSB",
          "min": 0,
          "typ": null,
          "max": 4092,
          "conditions": "ALARM SETTING",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Low threshold range",
          "symbol": "",
          "kind": "electrical",
          "unit": "LSB",
          "min": 0,
          "typ": null,
          "max": 4092,
          "conditions": "ALARM SETTING",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "VREF reference voltage at REFP",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": 2.5,
          "max": 3,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Analog power-supply voltage",
          "symbol": "V(+VA)",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": 3.3,
          "max": 5.25,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Digital I/O-supply voltage",
          "symbol": "V(+VBD)",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.7,
          "typ": 3.3,
          "max": null,
          "conditions": "Maximum printed as V(+VA)",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Reference voltage",
          "symbol": "V(REF)",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": 2.5,
          "max": 3,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "SCLK frequency",
          "symbol": "ƒ(SCLK)",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Analog power supply to AGND",
          "symbol": "+VA",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "+VA to AGND and +VBD to BDGND",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Digital input voltage to BDGND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "AINP or CHn to AGND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Maximum printed as VA + 0.3",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Digital output to BDGND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Maximum printed as VA + 0.3",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Input current to any pin except supply pins",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature (TJ Max)",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance (RHB 32-pin)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 40.6,
          "max": null,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance (RHB 32-pin)",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 32.1,
          "max": null,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance (RHB 32-pin)",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 13.1,
          "max": null,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
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