ADS7822EC

{
  "schema_version": 1,
  "type": "component",
  "slug": "ads7822ec",
  "title": "ADS7822EC",
  "brief": "Texas Instruments Analog To Digital Converters (ADCs), MSOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "adc-dac-data conversion",
    "ads7822ec"
  ],
  "component": {
    "mpn": "ADS7822EC",
    "manufacturer": "Texas Instruments",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Analog To Digital Converters (ADCs)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ads7822",
    "parts": {
      "symbol": "ads7822ec.kicad_sym",
      "footprint": "ads7822ec.kicad_mod",
      "model_3d": "ads7822ec-etched.glb",
      "model_3d_plain": "ads7822ec.glb",
      "model_3d_step": "ads7822ec-etched.step",
      "model_3d_step_plain": "ads7822ec.step",
      "lbr": "ads7822ec.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VREF",
        "type": "input",
        "description": "Reference input. Sets the ADC full-scale range; may be driven from 50mV up to VCC."
      },
      {
        "number": "2",
        "name": "+In",
        "type": "input",
        "description": "Noninverting analog input to the pseudo-differential sample-and-hold. Absolute range -0.2V to VCC+0.2V."
      },
      {
        "number": "3",
        "name": "-In",
        "type": "input",
        "description": "Inverting analog input. Connect to ground or to a remote ground sense point; absolute range -0.2V to +1.0V above GND."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return for both analog and digital supply currents."
      },
      {
        "number": "5",
        "name": "CS/SHDN",
        "type": "input",
        "description": "Active-low chip select and shutdown control. Low enables conversion and serial output; high places the device in power-down mode (<3µA typical)."
      },
      {
        "number": "6",
        "name": "DOUT",
        "type": "output",
        "description": "Serial data output (MISO). 12-bit conversion word clocked out MSB-first on the falling edge of DCLOCK after CS falls; data valid for the next edge after one null bit."
      },
      {
        "number": "7",
        "name": "DCLOCK",
        "type": "input",
        "description": "External serial data clock (SCLK). Synchronizes the serial data transfer and determines the conversion speed; fCLK = 16 x fSAMPLE."
      },
      {
        "number": "8",
        "name": "+VCC",
        "type": "power_in",
        "description": "Positive supply input, 2.7V to 5.25V (operational from 2.0V). Bypass to GND with a local decoupling capacitor."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ads7822",
        "pages": 31,
        "sha256": "889c901a1116a5b2",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ads7822ec.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ads7822ec-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": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0c1999e033fbb0aa3256110d7cfd5a56228e7d1fd225f3ef0c7be00c122de040",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "MSOP-8",
      "Category": "ADC/DAC/Data Conversion",
      "Pins": "8"
    }
  },
  "variants": [
    {
      "mpn": "ADS7822EC/250",
      "kind": "packaging"
    },
    {
      "mpn": "ADS7822EC/2K5",
      "kind": "packaging"
    },
    {
      "mpn": "ADS7822UC",
      "kind": "unknown"
    },
    {
      "mpn": "ADS7822UC/2K5",
      "kind": "unknown"
    },
    {
      "mpn": "ADS7822PC",
      "kind": "unknown"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ads7822ec"
  ],
  "discovery_pitch": "ADS7822EC (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "ads7822ec.kicad_sym",
    "ads7822ec.kicad_mod",
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    "ads7822ec.lbr",
    "docs/hero.png",
    "docs/ads7822ec-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T16:00:29.960Z"
}