MCP4821-E

{
  "schema_version": 1,
  "type": "component",
  "slug": "mcp4821-e",
  "title": "MCP4821-E",
  "brief": "Microchip Tech Digital To Analog Converters (DAC), SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "data acquisition",
    "mcp4821-e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MCP4821-E",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Data Acquisition",
    "subcategory": "Digital To Analog Converters (DAC)",
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      "lbr": "mcp4821-e.lbr"
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    "distributor_links": {
      "lcsc": "C36865"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T21:11:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
        "pn": null,
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    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage input, which can range from 2.7V to 5.5V relative to VSS; a 0.1 µF ceramic bypass capacitor to ground, with an additional 10 µF tantalum in parallel, is recommended."
      },
      {
        "number": "2",
        "name": "CS",
        "type": "input",
        "description": "Chip Select input that requires an active low to enable the serial clock and data functions."
      },
      {
        "number": "3",
        "name": "SCK",
        "type": "input",
        "description": "SPI compatible serial clock input."
      },
      {
        "number": "4",
        "name": "SDI",
        "type": "input",
        "description": "SPI compatible serial data input."
      },
      {
        "number": "5",
        "name": "LDAC",
        "type": "input",
        "description": "DAC output synchronization input that, when low, transfers the input register contents to the output register so VOUT is updated; it can be tied to VSS to update VOUT on the rising edge of CS."
      },
      {
        "number": "6",
        "name": "SHDN",
        "type": "input",
        "description": "Hardware Shutdown input used to place the device in Shutdown mode, in which most internal circuits including the output amplifier are turned off and VOUT is presented with a known high-resistance load."
      },
      {
        "number": "7",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference point and analog ground/current return for all circuitry; it must be connected to a ground plane through a low-impedance connection."
      },
      {
        "number": "8",
        "name": "VOUT",
        "type": "output",
        "description": "DAC analog output with an output amplifier; the full-scale range is VSS to G×VREF (G = 1x or 2x) and it cannot go higher than VDD."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "factory": "2.0.0",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The SOIC pin numbers come from the shared Table 3-1 column labelled 'MSOP, PDIP, SOIC, DFN' (page 15; The provided pages do not include the ordering/part-number table, so I could not confirm that MCP482; The datasheet pages provided give no electrical limits for the SHDN pin itself, so the SHDN descript"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0473,
        "at": "2026-10-18T21:08:02"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "total": 8,
        "described": 8,
        "cites_pages": true,
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        "zmin_mm": 0,
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      "Manufacturer": "Microchip Tech",
      "Package": "SOIC-8",
      "Category": "Data Acquisition",
      "Pins": "8"
    },
    "appearance": {
      "contacts": {
        "quote": "P = 8-Lead Plastic Dual In-Line (PDIP) SN = 8-Lead Plastic Small Outline - Narrow, 150 mil",
        "page": 45,
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        "plating": "tin"
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        {
          "name": "CS Fall to First Rising CLK Edge",
          "symbol": "tCSSR",
          "kind": "timing",
          "unit": "ns",
          "min": 40,
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        {
          "name": "Data Input Setup Time",
          "symbol": "tSU",
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        {
          "name": "Data Input Hold Time",
          "symbol": "tHD",
          "kind": "timing",
          "unit": "ns",
          "min": 10,
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        {
          "name": "SCK Rise to CS Rise Hold Time",
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          "name": "LDAC Pulse Width",
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          "name": "LDAC Setup Time",
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          "name": "Ambient Temperature with Power Applied",
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