LTC6820HMS#3ZZPBF

{
  "slug": "ltc6820hms-3zzpbf",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Interface - Specialized, MSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "ltc6820hms#3zzpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ltc6820hms-3zzpbf.kicad_sym",
    "ltc6820hms-3zzpbf.kicad_mod",
    "ltc6820hms-3zzpbf.glb",
    "ltc6820hms-3zzpbf.step",
    "ltc6820hms-3zzpbf.lbr",
    "docs/hero.png",
    "docs/ltc6820hms-3zzpbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ltc6820hms-3zzpbf-hero.glb",
    "ltc6820hms-3zzpbf-hero.overlay.json",
    "ltc6820hms-3zzpbf-etched.glb"
  ],
  "component": {
    "mpn": "LTC6820HMS#3ZZPBF",
    "manufacturer": "Analog Devices",
    "package": "MSOP-16",
    "pin_count": 16,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "Interface - Specialized",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588908544943411200",
    "parts": {
      "symbol": "ltc6820hms-3zzpbf.kicad_sym",
      "footprint": "ltc6820hms-3zzpbf.kicad_mod",
      "model_3d": "ltc6820hms-3zzpbf-hero.glb",
      "model_3d_plain": "ltc6820hms-3zzpbf-etched.glb",
      "model_3d_step": "ltc6820hms-3zzpbf-etched.step",
      "model_3d_step_plain": "ltc6820hms-3zzpbf.step",
      "lbr": "ltc6820hms-3zzpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C689578",
      "digikey": "505-LTC6820HMS#3ZZPBF-ND",
      "mouser": "584-6820HMS#3ZZPB"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T10:51:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-LTC6820HMS#3ZZPBF-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-6820HMS#3ZZPB",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Device enable input: high forces the device to stay enabled, low lets it enter IDLE mode after CS has been high for 5.7ms (MSTR high) or after no signal on IP/IM for 5.7ms (MSTR low), and it wakes less than 8µs after CS falls or a signal is detected on IP/IM."
      },
      {
        "number": "2",
        "name": "MOSI",
        "type": "bidirectional",
        "description": "SPI Master Out/Slave In data; the output is open drain, so an external pull-up resistor to VDDS is required."
      },
      {
        "number": "3",
        "name": "MISO",
        "type": "bidirectional",
        "description": "SPI Master In/Slave Out data; the output is open drain, so an external pull-up resistor to VDDS is required."
      },
      {
        "number": "4",
        "name": "SCK",
        "type": "bidirectional",
        "description": "SPI clock input when MSTR is high (must not be pulled above VDDS) or push-pull clock output when MSTR is low, requiring no external pull-up."
      },
      {
        "number": "5",
        "name": "CS",
        "type": "bidirectional",
        "description": "SPI chip select input when MSTR is high (must not be pulled above VDDS) or push-pull output when MSTR is low, requiring no external pull-up."
      },
      {
        "number": "6",
        "name": "VDDS",
        "type": "power_in",
        "description": "SPI input/output supply (1.7V to 5.5V) that powers the SCK and CS output drivers and sets the input thresholds of SCK, CS, MOSI, MISO and EN; if separate from VDD, connect a bypass capacitor of at least 0.01µF directly between VDDS and GND."
      },
      {
        "number": "7",
        "name": "POL",
        "type": "input",
        "description": "SPI clock polarity input that must be tied to VDD or GND."
      },
      {
        "number": "8",
        "name": "PHA",
        "type": "input",
        "description": "SPI clock phase input that must be tied to VDD or GND."
      },
      {
        "number": "9",
        "name": "VDD",
        "type": "power_in",
        "description": "Device power supply input (2.7V to 5.5V); connect a bypass capacitor of at least 0.01µF directly between VDD and GND."
      },
      {
        "number": "10",
        "name": "IM",
        "type": "bidirectional",
        "description": "Isolated interface minus input/output; IP and IM maximum source/sink current is 30mA."
      },
      {
        "number": "11",
        "name": "IP",
        "type": "bidirectional",
        "description": "Isolated interface plus input/output; IP and IM maximum source/sink current is 30mA."
      },
      {
        "number": "12",
        "name": "MSTR",
        "type": "input",
        "description": "Master/slave selector: tie to VDD if the device is on the master side of the isolated interface and to GND if on the slave side."
      },
      {
        "number": "13",
        "name": "SLOW",
        "type": "input",
        "description": "Slow interface selection: tie to VDD for clock frequencies at or below 200kHz (or if slave devices cannot meet timing), and to GND for clock frequencies above 200kHz."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground."
      },
      {
        "number": "15",
        "name": "ICMP",
        "type": "input",
        "description": "Isolated interface comparator voltage threshold set: tie to the resistor divider between IBIAS and GND; the comparator thresholds are set to 1/2 the voltage on this pin."
      },
      {
        "number": "16",
        "name": "IBIAS",
        "type": "passive",
        "description": "Isolated interface current bias: tie to GND through a resistor divider to set output current (about 2V when enabled, sink current on IP/IM is 20 times the IBIAS current), and limit capacitance to less than 50pF."
      }
    ],
    "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: Pin numbers were taken from the MSOP column of the PIN FUNCTIONS table (page 9) and the MSOP pin con; Pin types are engineering classifications. MOSI, MISO, SCK, CS and IP/IM change direction with the M; The datasheet pages provided (1, 2, 3, 8, 9, 10) do not include the mechanical drawing or pin-1 orie"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0578,
        "at": "2026-10-20T10:51:36"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588908544943411200",
        "pages": 30,
        "sha256": "81e209e79f6c137d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          4.039,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "53aec19b531c5ed5b9a5d8fef387389bff1661eb536898003c89ef73882b28a0",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ltc6820hms-3zzpbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9ad2f8198dc301a694741fbfd277dfe3aeb5a069dbd366909c8732c83df63b2b",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}