ES3490EEUA

{
  "schema_version": 1,
  "type": "component",
  "slug": "es3490eeua",
  "title": "ES3490EEUA",
  "brief": "ElecSuper RS-485 / RS-422 ICs, MSOP-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",
    "interface",
    "es3490eeua",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ES3490EEUA",
    "manufacturer": "ElecSuper",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "RS-485 / RS-422 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604443433335603200",
    "parts": {
      "symbol": "es3490eeua.kicad_sym",
      "footprint": "es3490eeua.kicad_mod",
      "model_3d": "es3490eeua-hero.glb",
      "model_3d_plain": "es3490eeua-etched.glb",
      "model_3d_step": "es3490eeua-etched.step",
      "model_3d_step_plain": "es3490eeua.step",
      "lbr": "es3490eeua.lbr"
    },
    "distributor_links": {
      "lcsc": "C41438277"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T06:08:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply pin; the device operates from a 3.0 V to 5.5 V supply, and the absolute maximum VCC is +7 V."
      },
      {
        "number": "2",
        "name": "RO",
        "type": "output",
        "description": "Receiver output: goes high when A-B is at or above +200 mV and low when A-B is at or below -200 mV."
      },
      {
        "number": "3",
        "name": "DI",
        "type": "input",
        "description": "Driver input: a low level drives Y low and Z high, and a high level drives Y high and Z low; DI input range is -0.3 V to VCC+0.3 V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; all voltages on the device are referenced to this ground."
      },
      {
        "number": "5",
        "name": "Y",
        "type": "output",
        "description": "Non-inverting driver output (bus side)."
      },
      {
        "number": "6",
        "name": "Z",
        "type": "output",
        "description": "Inverting driver output (bus side)."
      },
      {
        "number": "7",
        "name": "B",
        "type": "input",
        "description": "Receiver inverting input (bus side); bus-side input voltage range is -8 V to +13 V."
      },
      {
        "number": "8",
        "name": "A",
        "type": "input",
        "description": "Receiver non-inverting input (bus side); bus-side input voltage range is -8 V to +13 V."
      }
    ],
    "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: The datasheet gives no separate pin table for the MSOP-8 variant. The pin numbers 1-8 and names come; The Chinese descriptions were translated into English. The pin table does not state a pin type for e"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0396,
        "at": "2026-10-19T06:06:36"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604443433335603200",
        "pages": 11,
        "sha256": "46d9b981d88c32b3",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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    "models_3d": [
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        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
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        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "ElecSuper",
      "Package": "MSOP-8",
      "Category": "Interface",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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          "name": "Supply voltage (absolute max)",
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          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
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          "name": "Control port voltage DI",
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          "name": "Receiver output voltage",
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          "max": null,
          "conditions": "",
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        },
        {
          "name": "Operating ambient temperature range (absolute max)",
          "symbol": "Tamb",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
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        {
          "name": "Storage temperature range",
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          "typ": null,
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        {
          "name": "Soldering temperature",
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          "unit": "℃",
          "min": null,
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        {
          "name": "Supply voltage (recommended range)",
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          "kind": "recommended_operating",
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        },
        {
          "name": "Ambient temperature (electrical spec range)",
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          "kind": "recommended_operating",
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          "typ": null,
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          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "Differential driver output (no load)",
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          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VCC=5V",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Differential driver output",
          "symbol": "VOD2",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": null,
          "conditions": "图 2，RL = 54 Ω",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Change in differential output voltage magnitude",
          "symbol": "ΔVOD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "图 2，RL = 54 Ω",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Common-mode output voltage",
          "symbol": "VOC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "图 2，RL = 54 Ω",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Change in common-mode output voltage magnitude",
          "symbol": "ΔVOC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "图 2，RL = 54 Ω",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-level input voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "DI",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "DI",
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        },
        {
          "name": "Logic input current",
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          "kind": "electrical",
          "unit": "uA",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "DI",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output short-circuit current, shorted high",
          "symbol": "IOSD1",
          "kind": "electrical",
          "unit": "mA",
          "min": 35,
          "typ": null,
          "max": 250,
          "conditions": "短路到 0V~12V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output short-circuit current, shorted low",
          "symbol": "IOSD2",
          "kind": "electrical",
          "unit": "mA",
          "min": -250,
          "typ": null,
          "max": -35,
          "conditions": "短路到-7V~0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input current (A, B)",
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          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "VCC=0 或 3.3V, VIN = 12 V",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Input current (A, B)",
          "symbol": "IIN2",
          "kind": "electrical",
          "unit": "uA",
          "min": -100,
          "typ": null,
          "max": null,
          "conditions": "VCC=0 或 3.3V, VIN = -7V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Positive input threshold voltage",
          "symbol": "VIT+",
          "kind": "electrical",
          "unit": "mV",
          "min": 200,
          "typ": null,
          "max": null,
          "conditions": "-7V≤VCM≤12V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Negative input threshold voltage",
          "symbol": "VIT-",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": -200,
          "conditions": "-7V≤VCM≤12V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input hysteresis voltage",
          "symbol": "Vhys",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 30,
          "conditions": "-7V≤VCM≤12V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "IOUT = +4mA, VID = -200 mV",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Tri-state input leakage current",
          "symbol": "IOZR",
          "kind": "electrical",
          "unit": "uA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "0.4V<VO<2.4V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Receiver input resistance",
          "symbol": "RIN",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 96,
          "typ": null,
          "max": null,
          "conditions": "-7V≤VCM≤12V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Receiver short-circuit current",
          "symbol": "IOSR",
          "kind": "electrical",
          "unit": "mA",
          "min": 7,
          "typ": null,
          "max": 95,
          "conditions": "0 V≤VO≤VCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 240,
          "max": 400,
          "conditions": "DI = 0 V 或 VCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM, ports A, B, Y, Z",
          "symbol": "",
          "kind": "electrical",
          "unit": "kV",
          "min": -15,
          "typ": null,
          "max": 15,
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          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM, other ports",
          "symbol": "",
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          "unit": "kV",
          "min": -6,
          "typ": null,
          "max": 6,
          "conditions": "",
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        },
        {
          "name": "Driver propagation delay low to high",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
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          "max": 35,
          "conditions": "RL=54Ω,CL=100pF",
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          "source": "datasheet"
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          "name": "Driver propagation delay high to low",
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          "name": "Driver skew |tPLH - tPHL|",
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          "typ": 7,
          "max": 10,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Differential output delay / transition time",
          "symbol": "tDD, tTD",
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          "unit": "ns",
          "min": null,
          "typ": 10,
          "max": 25,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Receiver propagation delay low to high",
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          "min": 20,
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          "max": 90,
          "conditions": "VID≥2.0V; 上升与下降沿时间 VID≤15ns",
          "source_page": 4,
          "source": "datasheet"
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          "name": "Receiver propagation delay high to low",
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          "conditions": "VID≥2.0V; 上升与下降沿时间 VID≤15ns",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Receiver skew |tRPLH - tRPHL|",
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          "unit": "ns",
          "min": null,
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          "max": 10,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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    "name": "Ray",
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