ADS8322YB

{
  "schema_version": 1,
  "type": "component",
  "slug": "ads8322yb",
  "title": "ADS8322YB",
  "brief": "Texas Instruments Analog To Digital Converters (ADC), TQFP-32(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",
    "data acquisition",
    "ads8322yb",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "ADS8322YB",
    "manufacturer": "Texas Instruments",
    "package": "TQFP-32(5x5)",
    "pin_count": 32,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ads8322",
    "parts": {
      "symbol": "ads8322yb.kicad_sym",
      "footprint": "ads8322yb.kicad_mod",
      "model_3d": "ads8322yb-hero.glb",
      "model_3d_plain": "ads8322yb.glb",
      "model_3d_step": "ads8322yb-etched.step",
      "model_3d_step_plain": "ads8322yb.step",
      "lbr": "ads8322yb.lbr"
    },
    "distributor_links": {
      "lcsc": "C21289"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T23:02:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DB15",
        "type": "tri_state",
        "description": "Data bit 15 (MSB) of the 3-state parallel output, active when CS and RD are both low."
      },
      {
        "number": "2",
        "name": "DB14",
        "type": "tri_state",
        "description": "Data bit 14 of the 3-state parallel output."
      },
      {
        "number": "3",
        "name": "DB13",
        "type": "tri_state",
        "description": "Data bit 13 of the 3-state parallel output."
      },
      {
        "number": "4",
        "name": "DB12",
        "type": "tri_state",
        "description": "Data bit 12 of the 3-state parallel output."
      },
      {
        "number": "5",
        "name": "DB11",
        "type": "tri_state",
        "description": "Data bit 11 of the 3-state parallel output."
      },
      {
        "number": "6",
        "name": "DB10",
        "type": "tri_state",
        "description": "Data bit 10 of the 3-state parallel output."
      },
      {
        "number": "7",
        "name": "DB9",
        "type": "tri_state",
        "description": "Data bit 9 of the 3-state parallel output."
      },
      {
        "number": "8",
        "name": "DB8",
        "type": "tri_state",
        "description": "Data bit 8 of the 3-state parallel output."
      },
      {
        "number": "9",
        "name": "DB7",
        "type": "tri_state",
        "description": "Data bit 7 of the 3-state parallel output; also carries the upper byte (bits 15-8) when BYTE is high."
      },
      {
        "number": "10",
        "name": "DB6",
        "type": "tri_state",
        "description": "Data bit 6 of the 3-state parallel output."
      },
      {
        "number": "11",
        "name": "DB5",
        "type": "tri_state",
        "description": "Data bit 5 of the 3-state parallel output."
      },
      {
        "number": "12",
        "name": "DB4",
        "type": "tri_state",
        "description": "Data bit 4 of the 3-state parallel output."
      },
      {
        "number": "13",
        "name": "DB3",
        "type": "tri_state",
        "description": "Data bit 3 of the 3-state parallel output."
      },
      {
        "number": "14",
        "name": "DB2",
        "type": "tri_state",
        "description": "Data bit 2 of the 3-state parallel output."
      },
      {
        "number": "15",
        "name": "DB1",
        "type": "tri_state",
        "description": "Data bit 1 of the 3-state parallel output."
      },
      {
        "number": "16",
        "name": "DB0",
        "type": "tri_state",
        "description": "Data bit 0 (LSB) of the 3-state parallel output."
      },
      {
        "number": "17",
        "name": "BUSY",
        "type": "output",
        "description": "Goes high when a conversion is in progress and returns low when the conversion has ended."
      },
      {
        "number": "18",
        "name": "+VD",
        "type": "power_in",
        "description": "Digital power supply, +5VDC (4.75V to 5.25V)."
      },
      {
        "number": "19",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground, to be connected to a clean ground point (analog ground)."
      },
      {
        "number": "20",
        "name": "CLOCK",
        "type": "input",
        "description": "External CMOS-compatible clock input that synchronizes the conversion process (100ns minimum period, 40ns minimum high and low times)."
      },
      {
        "number": "21",
        "name": "CONVST",
        "type": "input",
        "description": "Convert start; bringing it low for at least 20ns while CS is low switches to hold mode and initiates a conversion."
      },
      {
        "number": "22",
        "name": "RD",
        "type": "input",
        "description": "Read input that, together with CS low, enables the parallel output bus (synchronization pulse for the parallel output)."
      },
      {
        "number": "23",
        "name": "BYTE",
        "type": "input",
        "description": "Selects the eight most significant bits (low) or eight least significant bits (high) for data valid on pins 9-16."
      },
      {
        "number": "24",
        "name": "CS",
        "type": "input",
        "description": "Chip select; must be low when CONVST goes low to initiate a conversion and low to enable the parallel output."
      },
      {
        "number": "25",
        "name": "-IN",
        "type": "input",
        "description": "Inverting analog input channel, limited to -0.1V to +0.5V."
      },
      {
        "number": "26",
        "name": "+IN",
        "type": "input",
        "description": "Noninverting analog input channel, range -0.1V to +VA + 0.1V."
      },
      {
        "number": "27",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "28",
        "name": "+VA",
        "type": "power_in",
        "description": "Analog power supply, +5VDC (4.75V to 5.25V)."
      },
      {
        "number": "29",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "30",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "31",
        "name": "REFIN",
        "type": "input",
        "description": "Reference input (1.5V to 2.55V); when using the internal 2.5V reference, tie this pin directly to REFOUT."
      },
      {
        "number": "32",
        "name": "REFOUT",
        "type": "output",
        "description": "Internal 2.5V reference output; a 0.1uF capacitor should be connected to this pin when the internal reference is used."
      }
    ],
    "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: Pin table says BYTE low selects the eight MSBs and high selects the eight LSBs, but the timing note ; External reference range is given as 1.5 V to 2.55 V in the electrical characteristics table (page 3; Pin types for DB15–DB0 are inferred as tri_state from the datasheet's 3-state parallel output langua"
        ],
        "pages_sent": 19,
        "cost_usd": 0.0961,
        "at": "2026-10-11T23:02:19"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ads8322",
        "pages": 19,
        "sha256": "15e121b1e5061dfd",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 32,
        "described": 32,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "980cc7c1a665224f9d82b451fbde04552b90858fb84faf03b5dcc81d9659b17a",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ads8322yb-etched.step",
        "role": "eda",
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        "zmin_mm": 0.0,
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        "footprint_binding": "identity",
        "sha256": "2f1287073062377ac609bb390446c2fc7f03aae2d41ec1e893d1989421d4d301",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TQFP-32(5x5)",
      "Category": "Data Acquisition",
      "Pins": "32"
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
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    "info"
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  "discovery_triggers": [
    "ads8322yb"
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  "discovery_pitch": "ADS8322YB (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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}