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Ray Set visibility: public 27d5fb2 4h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "ads7950sbrget",
  "title": "ADS7950SBRGET",
  "brief": "Texas Instruments Analog To Digital Converters (ADC), VQFN-24-EP(4x4). 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",
    "data acquisition",
    "ads7950sbrget",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ADS7950SBRGET",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ads7950.pdf",
    "parts": {
      "symbol": "ads7950sbrget.kicad_sym",
      "footprint": "ads7950sbrget.kicad_mod",
      "model_3d": "ads7950sbrget-hero.glb",
      "model_3d_plain": "ads7950sbrget-etched.glb",
      "model_3d_step": "ads7950sbrget-etched.step",
      "model_3d_step_plain": "ads7950sbrget.step",
      "lbr": "ads7950sbrget.lbr"
    },
    "distributor_links": {
      "lcsc": "C2861275",
      "digikey": "296-25838-2-ND",
      "mouser": "595-ADS7950SBRGET"
    },
    "distributor_check": {
      "checked_at": "2026-11-11T00:47:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-25838-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-ADS7950SBRGET",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "+VA",
        "type": "power_in",
        "description": "Analog power supply, 2.7 V to 5.25 V recommended, with a 1-µF ceramic decoupling capacitor required at each supply pin."
      },
      {
        "number": "2",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; all channel inputs share this common analog ground."
      },
      {
        "number": "3",
        "name": "MXO",
        "type": "output",
        "description": "Multiplexer output, which may be shorted to AINP or routed through a buffer or signal-conditioning stage, with source impedance kept to 50 Ω or less when shorted directly."
      },
      {
        "number": "4",
        "name": "AINP",
        "type": "input",
        "description": "ADC input signal, with AINP to AGND limited to -0.3 V to +VA + 0.3 V as an absolute maximum."
      },
      {
        "number": "5",
        "name": "AINM",
        "type": "input",
        "description": "ADC input ground, the negative reference for the ADC input."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "Internally not connected; do not float this pin and connect it to ground."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "Internally not connected; do not float this pin and connect it to ground."
      },
      {
        "number": "8",
        "name": "CH3",
        "type": "input",
        "description": "Analog input channel 3 for the multiplexer, with CHn to AGND limited to -0.3 V to +VA + 0.3 V."
      },
      {
        "number": "9",
        "name": "CH2",
        "type": "input",
        "description": "Analog input channel 2 for the multiplexer, with CHn to AGND limited to -0.3 V to +VA + 0.3 V."
      },
      {
        "number": "10",
        "name": "CH1",
        "type": "input",
        "description": "Analog input channel 1 for the multiplexer, with CHn to AGND limited to -0.3 V to +VA + 0.3 V."
      },
      {
        "number": "11",
        "name": "CH0",
        "type": "input",
        "description": "Analog input channel 0 for the multiplexer, with CHn to AGND limited to -0.3 V to +VA + 0.3 V."
      },
      {
        "number": "12",
        "name": "NC",
        "type": "unconnected",
        "description": "Internally not connected; do not float this pin and connect it to ground."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "Internally not connected; do not float this pin and connect it to ground."
      },
      {
        "number": "14",
        "name": "+VA",
        "type": "power_in",
        "description": "Analog power supply, 2.7 V to 5.25 V recommended, with a 1-µF ceramic decoupling capacitor required at each supply pin."
      },
      {
        "number": "15",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; all channel inputs share this common analog ground."
      },
      {
        "number": "16",
        "name": "CS",
        "type": "input",
        "description": "Active-low chip-select input; the input signal is sampled on its falling edge and a frame ends only after 16 SCLK clocks have elapsed."
      },
      {
        "number": "17",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input, up to 20 MHz, used for conversion, serial data output and serial data input."
      },
      {
        "number": "18",
        "name": "SDI",
        "type": "input",
        "description": "Serial data input for the 16-bit control word, latched on each SCLK rising edge starting with the first clock."
      },
      {
        "number": "19",
        "name": "SDO",
        "type": "output",
        "description": "Serial data output carrying the channel address and conversion result, which goes to the 3-state condition after the 16th SCLK falling edge."
      },
      {
        "number": "20",
        "name": "BDGND",
        "type": "power_in",
        "description": "Digital ground for the digital I/O interface."
      },
      {
        "number": "21",
        "name": "+VBD",
        "type": "power_in",
        "description": "Digital I/O supply, 1.7 V to +VA recommended, with a 1-µF ceramic decoupling capacitor required at the pin."
      },
      {
        "number": "22",
        "name": "GPIO0",
        "type": "bidirectional",
        "description": "General-purpose input or output; when configured it serves as an active-high high- or low-alarm output on the VQFN package."
      },
      {
        "number": "23",
        "name": "REFM",
        "type": "input",
        "description": "Reference ground for the external 2.5 V reference, which needs a 10-µF ceramic decoupling capacitor to REFP placed next to the device."
      },
      {
        "number": "24",
        "name": "REFP",
        "type": "input",
        "description": "External reference input, 2 V to 3 V recommended (2.5 V nominal, ±10 mV), requiring a 10-µF ceramic decoupling capacitor to REFM."
      },
      {
        "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: The datasheet assigns no pin number to the exposed thermal pad of the VQFN-24-EP package, so the pad; The datasheet classes AINM and REFM as analog inputs even though both are ground references. They ar; KiCad has no analog ERC class, so analog inputs are typed input and MXO is typed output. The pin lis",
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 87,
        "cost_usd": 0.4245,
        "at": "2026-11-11T00:46:44"
      },
      "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": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ads7950sbrget.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
        "checked": "2026-11-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ads7950sbrget-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "190167d35dcef114310006fddad71240a41c7e4267f9600587644a487ab33fce",
        "checked": "2026-11-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "RGE0024H",
      "source_page": 74,
      "D": {
        "nom_mm": 4,
        "range_mm": [
          3.9,
          4.1
        ]
      },
      "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": "ads7950sbrget.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(4x4)",
      "Category": "Data Acquisition",
      "Pins": "25"
    },
    "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": "Full-scale input span",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "Range 1",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Absolute input range",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": -0.2,
          "typ": null,
          "max": null,
          "conditions": "Range 1",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Integral linearity",
          "symbol": "",
          "kind": "electrical",
          "unit": "LSB",
          "min": -1,
          "typ": 0.5,
          "max": 1,
          "conditions": "ADS795XSB",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Differential linearity",
          "symbol": "",
          "kind": "electrical",
          "unit": "LSB",
          "min": -0.99,
          "typ": 0.5,
          "max": 1,
          "conditions": "ADS795XSB",
          "source_page": 12,
          "source": "datasheet"
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        {
          "name": "Offset error",
          "symbol": "",
          "kind": "electrical",
          "unit": "LSB",
          "min": -3.5,
          "typ": 1.1,
          "max": 3.5,
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          "source": "datasheet"
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        {
          "name": "Gain error",
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          "kind": "electrical",
          "unit": "LSB",
          "min": -2,
          "typ": 0.2,
          "max": 2,
          "conditions": "Range 1",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Gain error",
          "symbol": "",
          "kind": "electrical",
          "unit": "LSB",
          "min": -0.2,
          "typ": null,
          "max": 0.2,
          "conditions": "Range 2",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Total unadjusted error (TUE)",
          "symbol": "",
          "kind": "electrical",
          "unit": "LSB",
          "min": -2,
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          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Signal-to-noise ratio",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 70,
          "typ": 71.7,
          "max": null,
          "conditions": "100 kHz, ADS795XSB",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Signal-to-noise + distortion",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 69,
          "typ": 71.3,
          "max": null,
          "conditions": "100 kHz, ADS795XSB",
          "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": "High threshold range",
          "symbol": "",
          "kind": "electrical",
          "unit": "LSB",
          "min": 0,
          "typ": null,
          "max": 4092,
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          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Low threshold range",
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          "unit": "LSB",
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          "typ": null,
          "max": 4092,
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          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "+VBD = 5 V",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "+VBD = 3 V",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "At Isink = 200 μA",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "+VA supply voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": 3.3,
          "max": 5.25,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "+VBD supply voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.7,
          "typ": 3.3,
          "max": 5.25,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Supply current (normal mode), 1 MHz throughput",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.3,
          "max": 3,
          "conditions": "At +VA = 4.7 to 5.25 V",
          "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",
          "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": "",
          "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": "AINP or CHn to AGND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "+VA to AGND, +VBD to BDGND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
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