BUF12840AIRGER

{
  "slug": "buf12840airger",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Video Amplifiers, VQFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "buf12840airger",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "buf12840airger.kicad_sym",
    "buf12840airger.kicad_mod",
    "buf12840airger.glb",
    "buf12840airger.step",
    "buf12840airger.lbr",
    "docs/hero.png",
    "docs/buf12840airger-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "buf12840airger-hero.glb",
    "buf12840airger-hero.overlay.json"
  ],
  "component": {
    "mpn": "BUF12840AIRGER",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-24(4x4)",
    "pin_count": 25,
    "category": "Amplifiers/Comparators",
    "subcategory": "Video Amplifiers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/buf12840",
    "parts": {
      "symbol": "buf12840airger.kicad_sym",
      "footprint": "buf12840airger.kicad_mod",
      "model_3d": "buf12840airger-hero.glb",
      "model_3d_plain": "buf12840airger.glb",
      "model_3d_step": "buf12840airger-etched.step",
      "model_3d_step_plain": "buf12840airger.step",
      "lbr": "buf12840airger.lbr"
    },
    "distributor_links": {
      "lcsc": "C2678488",
      "digikey": "296-27949-2-ND",
      "mouser": "595-BUF12840AIRGER"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T16:14:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-27949-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-BUF12840AIRGER",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT5",
        "type": "output",
        "description": "DAC gamma output channel 5, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12."
      },
      {
        "number": "2",
        "name": "OUT4",
        "type": "output",
        "description": "DAC gamma output channel 4, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12."
      },
      {
        "number": "3",
        "name": "OUT3",
        "type": "output",
        "description": "DAC gamma output channel 3, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12."
      },
      {
        "number": "4",
        "name": "OUT2",
        "type": "output",
        "description": "DAC gamma output channel 2, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12."
      },
      {
        "number": "5",
        "name": "OUT1",
        "type": "output",
        "description": "DAC gamma output channel 1, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12."
      },
      {
        "number": "6",
        "name": "OUT0",
        "type": "output",
        "description": "DAC gamma output channel 0, the reset-value output (code 0 gives 0 V after reset)."
      },
      {
        "number": "7",
        "name": "VS",
        "type": "power_in",
        "description": "Analog supply input; operating range is 9 V to 20 V and the absolute maximum is 22 V."
      },
      {
        "number": "8",
        "name": "GNDA",
        "type": "power_in",
        "description": "Analog ground; must be connected to GNDD (digital ground)."
      },
      {
        "number": "9",
        "name": "VSD",
        "type": "power_in",
        "description": "Digital supply input; operating range is 2.0 V to 5.5 V and the absolute maximum is 6 V."
      },
      {
        "number": "10",
        "name": "EA1",
        "type": "input",
        "description": "EEPROM select bit 1; must be tied to logic 0 if autoread is not used."
      },
      {
        "number": "11",
        "name": "EA0",
        "type": "input",
        "description": "EEPROM select bit 0; must be tied to logic 0 if autoread is not used."
      },
      {
        "number": "12",
        "name": "EN",
        "type": "input",
        "description": "EEPROM enable; must be 0 if autoread is not used."
      },
      {
        "number": "13",
        "name": "LD",
        "type": "input",
        "description": "Latch pin; LD = 0 is the condition for the stated bank switching delay of 7 µs typical and 10 µs maximum."
      },
      {
        "number": "14",
        "name": "SCL",
        "type": "input",
        "description": "Two-wire interface serial clock, supporting 400 kHz standard/fast mode and 3.4 MHz high-speed mode."
      },
      {
        "number": "15",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Two-wire interface serial data, supporting 400 kHz standard/fast mode and 3.4 MHz high-speed mode."
      },
      {
        "number": "16",
        "name": "A0",
        "type": "input",
        "description": "Slave address select input for the two-wire interface."
      },
      {
        "number": "17",
        "name": "BKSEL",
        "type": "input",
        "description": "Bank select input that chooses between the two independent memory banks."
      },
      {
        "number": "18",
        "name": "GNDD",
        "type": "power_in",
        "description": "Digital ground; must be connected to GNDA (analog ground)."
      },
      {
        "number": "19",
        "name": "OUT11",
        "type": "output",
        "description": "DAC gamma output channel 11, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12."
      },
      {
        "number": "20",
        "name": "OUT10",
        "type": "output",
        "description": "DAC gamma output channel 10, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12."
      },
      {
        "number": "21",
        "name": "OUT9",
        "type": "output",
        "description": "DAC gamma output channel 9, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12."
      },
      {
        "number": "22",
        "name": "OUT8",
        "type": "output",
        "description": "DAC gamma output channel 8, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12."
      },
      {
        "number": "23",
        "name": "OUT7",
        "type": "output",
        "description": "DAC gamma output channel 7, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12."
      },
      {
        "number": "24",
        "name": "OUT6",
        "type": "output",
        "description": "DAC gamma output channel 6, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12."
      },
      {
        "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 exposed thermal pad on the bottom of the VQFN-24 package is not a numbered pin and the datasheet; The datasheet says GNDA and GNDD must be connected together. Both are typed power_in as stated in th; The datasheet pin table gives only 'Latch pin' for LD with no further function. The 7 to 10 µs bank ",
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 8,
        "cost_usd": 0.063,
        "at": "2026-10-08T16:13:46"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/buf12840",
        "pages": 32,
        "sha256": "8df9e6b68cfd14ff",
        "source_tier": "lcsc"
      },
      "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": "buf12840airger.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f7d256794c4147daf24dcae0554fae18510315e565ad1e239b475be7fef80d8b",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "buf12840airger-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "97883ca601aac9a29de6ac031c66095cd324ae93eb14f383648a4eec5c2a682c",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}