LT1785IS8#TRPBF

{
  "slug": "lt1785is8-trpbf",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices RS-485/RS-422 ICs, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "lt1785is8#trpbf",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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    "README.md",
    "lt1785is8-trpbf.kicad_sym",
    "lt1785is8-trpbf.kicad_mod",
    "lt1785is8-trpbf.glb",
    "lt1785is8-trpbf.step",
    "lt1785is8-trpbf.lbr",
    "docs/hero.png",
    "docs/lt1785is8-trpbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "lt1785is8-trpbf-hero.overlay.json",
    "lt1785is8-trpbf-etched.glb"
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  "component": {
    "mpn": "LT1785IS8#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "RS-485/RS-422 ICs",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/LT1785-1785A-1791-1791A.pdf",
    "parts": {
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      "footprint": "lt1785is8-trpbf.kicad_mod",
      "model_3d": "lt1785is8-trpbf-hero.glb",
      "model_3d_plain": "lt1785is8-trpbf-etched.glb",
      "model_3d_step": "lt1785is8-trpbf-etched.step",
      "model_3d_step_plain": "lt1785is8-trpbf.step",
      "lbr": "lt1785is8-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C579888",
      "digikey": "505-LT1785IS8#TRPBFTR-ND",
      "mouser": "584-LT1785IS8#TRPBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T16:01:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-LT1785IS8#TRPBFTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LT1785IS8#TRPBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RO",
        "type": "output",
        "description": "Receiver output is high when A is at least 200mV above B and low when A is at least 200mV below B, and it goes high impedance when RE is high."
      },
      {
        "number": "2",
        "name": "RE",
        "type": "input",
        "description": "Receiver output enable: a logic low enables the receiver output RO and a logic high places RO in high impedance."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Driver output enable: a logic high enables the driver outputs A and B and a logic low places them in high impedance."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Driver input: a logic high drives output A high and B low, and a logic low gives complementary output states."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "6",
        "name": "A",
        "type": "bidirectional",
        "description": "Receiver input and driver output A, with receiver inputs protected against voltage faults between ±60V."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Receiver input and driver output B, with receiver inputs protected against voltage faults between ±60V."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply input, 4.75V ≤ VCC ≤ 5.25V for RS422 or RS485 operation, to be decoupled with a 0.1µF low ESR capacitor directly at this pin."
      }
    ],
    "provenance": {
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        "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 S8 top-view pin map on page 2 is garbled in the text extraction. Pin numbers for A (6), B (7), G"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0249,
        "at": "2026-10-28T16:01:05"
      },
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        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/LT1785-1785A-1791-1791A.pdf",
        "pages": 18,
        "sha256": "50c2d3317a147414",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-28",
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        "sha256": "d346e4167912fad7814da5bba5d046af296907e5e172b17a3a168c5248f02289",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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}