ADS8355IRTER

{
  "slug": "ads8355irter",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Analog To Digital Converters (ADC), WQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "ads8355irter",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ads8355irter.kicad_sym",
    "ads8355irter.kicad_mod",
    "ads8355irter.glb",
    "ads8355irter.step",
    "ads8355irter.lbr",
    "docs/hero.png",
    "docs/ads8355irter-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ads8355irter-hero.glb",
    "ads8355irter-hero.overlay.json"
  ],
  "component": {
    "mpn": "ADS8355IRTER",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ads8355",
    "parts": {
      "symbol": "ads8355irter.kicad_sym",
      "footprint": "ads8355irter.kicad_mod",
      "model_3d": "ads8355irter-hero.glb",
      "model_3d_plain": "ads8355irter.glb",
      "model_3d_step": "ads8355irter-etched.step",
      "model_3d_step_plain": "ads8355irter.step",
      "lbr": "ads8355irter.lbr"
    },
    "distributor_links": {
      "lcsc": 1858281,
      "digikey": "296-ADS8355IRTERTR-ND",
      "mouser": "595-ADS8355IRTER"
    },
    "distributor_check": {
      "checked_at": "2026-10-06T17:28:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-ADS8355IRTERTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-ADS8355IRTER",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "REFIO_A",
        "type": "bidirectional",
        "description": "Reference voltage input/output for channel A; voltage range REFGND_A - 0.3 V to AVDD + 0.3 V, functions as external reference input or internal reference output per REF_SEL register setting."
      },
      {
        "number": "2",
        "name": "REFGND_A",
        "type": "power_in",
        "description": "Reference ground for channel A; must be maintained within GND ± 0.3 V per absolute maximum ratings."
      },
      {
        "number": "3",
        "name": "REFGND_B",
        "type": "power_in",
        "description": "Reference ground for channel B; must be maintained within GND ± 0.3 V per absolute maximum ratings."
      },
      {
        "number": "4",
        "name": "REFIO_B",
        "type": "bidirectional",
        "description": "Reference voltage input/output for channel B; voltage range REFGND_B - 0.3 V to AVDD + 0.3 V, functions as external reference input or internal reference output per REF_SEL register setting."
      },
      {
        "number": "5",
        "name": "AINM_B",
        "type": "input",
        "description": "Negative analog input for channel B; voltage range REFGND_B - 0.3 V to AVDD + 0.3 V, connect to GND for single-ended mode or to FSR/2 for pseudo-differential mode per AINM_SEL register."
      },
      {
        "number": "6",
        "name": "AINP_B",
        "type": "input",
        "description": "Positive analog input for channel B; voltage range REFGND_B - 0.3 V to AVDD + 0.3 V with full-scale range 0 to VREF_B (default) or 0 to 2×VREF_B per RANGE_SEL bit."
      },
      {
        "number": "7",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital I/O supply voltage; -0.3 V to 6 V absolute maximum with ±10 mA input current limit per pin."
      },
      {
        "number": "8",
        "name": "SDI",
        "type": "input",
        "description": "Serial data input for SPI communication; digital input voltage GND - 0.3 V to DVDD + 0.3 V, sampled on SCLK falling edges."
      },
      {
        "number": "9",
        "name": "CS",
        "type": "input",
        "description": "Chip-select signal (active low); digital input voltage GND - 0.3 V to DVDD + 0.3 V, forces SDO pins to tri-state when high and triggers ADC conversion."
      },
      {
        "number": "10",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input for SPI interface; digital input voltage GND - 0.3 V to DVDD + 0.3 V, clocks data out on falling edges."
      },
      {
        "number": "11",
        "name": "SDO_A",
        "type": "output",
        "description": "Serial data output for channel A in dual-SDO mode or both channels sequentially in single-SDO mode; digital tri-state output transitions to high-impedance when CS is high."
      },
      {
        "number": "12",
        "name": "SDO_B",
        "type": "output",
        "description": "Serial data output for channel B in dual-SDO mode; digital tri-state output transitions to high-impedance when CS is high, driven low in single-SDO mode."
      },
      {
        "number": "13",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground; 0 V reference for all voltage measurements and power return path."
      },
      {
        "number": "14",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply voltage for ADC operation; -0.3 V to 6 V absolute maximum, must satisfy 2×VREF_A ≤ AVDD when RANGE_SEL = 1."
      },
      {
        "number": "15",
        "name": "AINP_A",
        "type": "input",
        "description": "Positive analog input for channel A; voltage range REFGND_A - 0.3 V to AVDD + 0.3 V with full-scale range 0 to VREF_A (default) or 0 to 2×VREF_A per RANGE_SEL bit."
      },
      {
        "number": "16",
        "name": "AINM_A",
        "type": "input",
        "description": "Negative analog input for channel A; voltage range REFGND_A - 0.3 V to AVDD + 0.3 V, connect to GND for single-ended mode or to FSR/2 for pseudo-differential mode per AINM_SEL register."
      },
      {
        "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-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: SDO_A and SDO_B exhibit tri-state behavior per datasheet functional description; CS rising edge forc; REFIO_A and REFIO_B are bidirectional analog pins that function as external reference inputs (defaul; Exposed thermal pad (unnumbered in package designation) not included in standard 16-pin count; datas",
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 14,
        "cost_usd": 0.1576,
        "at": "2026-10-06T17:28:18"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ads8355",
        "pages": 43,
        "sha256": "80add76d78296c95",
        "source_tier": "lcsc"
      },
      "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"
    }
  }
}