MCP4725

{
  "schema_version": 1,
  "type": "component",
  "slug": "mcp4725",
  "title": "MCP4725",
  "brief": "Microchip 12-bit I2C DAC with EEPROM, SOT-23-6. Buffered voltage output, 2.7-5.5 V. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "dac",
    "data-converter",
    "i2c",
    "sot-23-6",
    "microchip"
  ],
  "component": {
    "mpn": "MCP4725",
    "manufacturer": "Microchip Technology",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Data Converter",
    "subcategory": "12-bit I2C DAC",
    "datasheet": "https://ww1.microchip.com/downloads/en/DeviceDoc/22039d.pdf",
    "parts": {
      "symbol": "mcp4725.kicad_sym",
      "footprint": "mcp4725.kicad_mod",
      "model_3d": "mcp4725-etched.glb",
      "model_3d_plain": "mcp4725.glb",
      "lbr": "mcp4725.lbr",
      "model_3d_step": "mcp4725-etched.step",
      "model_3d_step_plain": "mcp4725.step"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VOUT",
        "type": "output",
        "description": "Analog DAC output. Buffered rail-to-rail voltage output from the internal 12-bit resistor-string DAC (0V to VDD). Can drive resistive loads down to 5 kOhm and up to 1000 pF capacitive load; short-circuit current ~15-24 mA (VDD=5V)."
      },
      {
        "number": "2",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for the device. Analog and digital ground return; all signals are referenced to VSS."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage input, 2.7V to 5.5V (abs max 6.5V). Also serves as the DAC voltage reference (VREF = VDD), so it must be clean and well-decoupled for accurate DAC performance. Typical IDD 210 uA."
      },
      {
        "number": "4",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data line. Open-drain, requires external pull-up to VDD. Supports Standard (100 kbps), Fast (400 kbps), and High-Speed (3.4 Mbps) modes. VIH >= 0.7*VDD, VIL <= 0.3*VDD; VOL <= 0.4V at IOL = 3 mA."
      },
      {
        "number": "5",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input. Open-drain bus line driven by the I2C master; requires external pull-up to VDD. VIH >= 0.7*VDD, VIL <= 0.3*VDD."
      },
      {
        "number": "6",
        "name": "A0",
        "type": "input",
        "description": "External I2C address selection bit. Tie to VSS or VDD to select one of two hardwired addresses (combined with the 3 factory-programmed address bits, up to eight MCP4725 devices can share the bus). VIH >= 0.8*VDD, VIL <= 0.2*VDD; input leakage +/-1 uA."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://ww1.microchip.com/downloads/en/DeviceDoc/22039d.pdf",
        "pages": 50,
        "sha256": "746d95dfdaaf0a9d",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "mcp4725.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mcp4725-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f395970d2218178d1202cbabdd1c69228df453d5000e8a076f3c25d1768aae08",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "12-bit voltage-output DAC",
      "Channels": "1 (buffered, rail-to-rail)",
      "Interface": "I2C (standard / fast / high-speed)",
      "Non-volatile": "EEPROM (stores code + config)",
      "Output range": "0 to VDD",
      "Supply voltage": "2.7-5.5 V",
      "Package": "SOT-23-6",
      "Body (L×W×H)": "2.9 × 1.6 × 1.1 mm"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mcp4725",
    "12-bit i2c dac",
    "voltage output dac",
    "dac with eeprom"
  ],
  "discovery_pitch": "Microchip MCP4725 12-bit I2C DAC with EEPROM (SOT-23-6) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mcp4725.kicad_sym",
    "mcp4725.kicad_mod",
    "mcp4725.glb",
    "mcp4725.lbr",
    "docs/hero.png",
    "docs/mcp4725-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mcp4725-etched.step"
  ],
  "variants": [
    {
      "mpn": "MCP4725A0T-E/CH (SOT-23-6, tape & reel)",
      "kind": "packaging"
    }
  ]
}