AD7894BRZ-10

{
  "slug": "ad7894brz-10",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Analog To Digital Converters (ADCs), SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "adc-dac-data conversion",
    "ad7894brz-10",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ad7894brz-10.kicad_sym",
    "ad7894brz-10.kicad_mod",
    "ad7894brz-10.glb",
    "ad7894brz-10.step",
    "ad7894brz-10.lbr",
    "docs/hero.png",
    "docs/ad7894brz-10-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ad7894brz-10-hero.glb",
    "ad7894brz-10-hero.overlay.json",
    "ad7894brz-10-etched.glb"
  ],
  "component": {
    "mpn": "AD7894BRZ-10",
    "manufacturer": "Analog Devices",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Analog To Digital Converters (ADCs)",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD7894.pdf",
    "parts": {
      "symbol": "ad7894brz-10.kicad_sym",
      "footprint": "ad7894brz-10.kicad_mod",
      "model_3d": "ad7894brz-10-hero.glb",
      "model_3d_plain": "ad7894brz-10-etched.glb",
      "model_3d_step": "ad7894brz-10-etched.step",
      "model_3d_step_plain": "ad7894brz-10.step",
      "lbr": "ad7894brz-10.lbr"
    },
    "distributor_links": {
      "lcsc": "C578554",
      "digikey": "505-AD7894BRZ-10-ND",
      "mouser": "584-AD7894BRZ-10"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T09:26:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-AD7894BRZ-10-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-AD7894BRZ-10",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "REF IN",
        "type": "input",
        "description": "Voltage reference input, buffered on-chip, to which an external +2.5 V nominal reference is connected for the conversion process."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Analog input channel with a ±10 V input range for the AD7894-10 variant."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Analog ground reference for the track/hold, comparator, digital circuitry and DAC."
      },
      {
        "number": "4",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input that clocks out a new data bit on each falling edge, with data valid for 10 ns after the falling edge, and it should be taken low at the end of transmission."
      },
      {
        "number": "5",
        "name": "SDATA",
        "type": "tri_state",
        "description": "Serial data output providing 16 bits (two leading zeroes plus 14 conversion bits, twos complement for the AD7894-10) clocked out on falling SCLK edges and three-stated after the 16th falling edge."
      },
      {
        "number": "6",
        "name": "BUSY",
        "type": "output",
        "description": "Conversion indicator that goes high on the falling edge of CONVST and returns low when the conversion is complete."
      },
      {
        "number": "7",
        "name": "CONVST",
        "type": "input",
        "description": "Edge-triggered conversion start input where the falling edge puts the track/hold in hold mode and starts conversion, and if low at the end of conversion the part powers down."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage, +5 V ± 5%."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The MPN suffix RZ (RoHS-compliant, likely tape/reel variant) is not in this datasheet's ordering gui"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0764,
        "at": "2026-10-31T09:25:45"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD7894.pdf",
        "pages": 12,
        "sha256": "78b80c261686698b",
        "source_tier": "mfr"
      },
      "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": "ad7894brz-10.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ad7894brz-10-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "abf72915a7efc5617619a3105a60613ab3fc319fa4e8555e4309ad67e83bd961",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SO-8",
      "source_page": 12,
      "D": {
        "nom_mm": 4.9,
        "range_mm": [
          4.801,
          4.999
        ]
      },
      "E1": {
        "nom_mm": 3.9,
        "range_mm": [
          3.802,
          3.998
        ]
      },
      "E": {
        "nom_mm": 5.999,
        "range_mm": [
          5.801,
          6.198
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.549,
        "range_mm": [
          1.351,
          1.748
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ad7894brz-10.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}