MCP47CVB21-E

{
  "slug": "mcp47cvb21-e",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Digital To Analog Converters (DACs), DFN-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "adc-dac-data conversion",
    "mcp47cvb21-e",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
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    "mcp47cvb21-e.lbr",
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    "docs/mcp47cvb21-e-datasheet.pdf",
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    "mcp47cvb21-e-etched.glb"
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  "component": {
    "mpn": "MCP47CVB21-E",
    "manufacturer": "Microchip Tech",
    "package": "DFN-10-EP(3x3)",
    "pin_count": 11,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Digital To Analog Converters (DACs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f6cbe2477c43d9dc9287fa8580889d61.pdf",
    "parts": {
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      "lbr": "mcp47cvb21-e.lbr"
    },
    "distributor_links": {
      "lcsc": "C635209"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T12:07:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage pin, 2.7V to 5.5V for full specifications (1.8V to 2.7V reduced), with a 0.1 µF ceramic bypass capacitor recommended close to the pin."
      },
      {
        "number": "2",
        "name": "A0",
        "type": "input",
        "description": "I2C slave address bit 0 pin (Schmitt trigger input) that sets the lowest bit of the slave address."
      },
      {
        "number": "3",
        "name": "VREF",
        "type": "power_in",
        "description": "Analog voltage reference input (buffered or unbuffered) when VREF is selected, or output when the internal band gap is the reference; it is disconnected when VDD is the reference."
      },
      {
        "number": "4",
        "name": "VOUT",
        "type": "output",
        "description": "Buffered analog voltage output of the DAC, with about 1 Ω DC impedance in Normal mode and a 1 kΩ, 100 kΩ or open pull-down in Power-Down mode."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected."
      },
      {
        "number": "6",
        "name": "LAT/HVC",
        "type": "input",
        "description": "Schmitt-trigger latch pin that transfers the volatile DAC wiper and configuration register values to VOUT, also the high-voltage command pin for MTP writes (7.5V, at least 6.4 mA; voltages above 5.5V only during MTP programming)."
      },
      {
        "number": "7",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference pin for all circuitry on the device."
      },
      {
        "number": "8",
        "name": "A1",
        "type": "input",
        "description": "I2C slave address bit 1 pin (Schmitt trigger input)."
      },
      {
        "number": "9",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input (Schmitt trigger); supports up to 3.4 MHz in High-Speed mode."
      },
      {
        "number": "10",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data input/output pin (Schmitt trigger) with slope control on the output driver."
      },
      {
        "number": "11",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "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 package hint says DFN-10-EP, but Table 3-1 lists an exposed pad (pin 17 EP, connect to VSS) only; MCP47CVB21 is the single-output (suffix 1) 12-bit volatile device, so Table 3-1 (single DAC) applies"
        ],
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        "cost_usd": 0.0559,
        "at": "2026-10-30T12:07:11"
      },
      "datasheet": {
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        "pages": 124,
        "sha256": "00ea6d555e34c774",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "738e2eb45860c11759f8e4f44ab26932b7c15e4d5d6c8c9ac22ae866a3e38711",
        "checked": "2026-10-30",
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      },
      {
        "file": "mcp47cvb21-e-etched.step",
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}