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Ray Set visibility: public 9cb952c 11d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "cmt2210lc-esr2",
  "title": "CMT2210LC-ESR2",
  "brief": "HopeRF Micro electronics RF Transceiver ICs, SOP-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",
    "rf and wireless",
    "cmt2210lc-esr2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CMT2210LC-ESR2",
    "manufacturer": "HopeRF Micro electronics",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "RF And Wireless",
    "subcategory": "RF Transceiver ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586197060152397824",
    "parts": {
      "symbol": "cmt2210lc-esr2.kicad_sym",
      "footprint": "cmt2210lc-esr2.kicad_mod",
      "model_3d": "cmt2210lc-esr2-hero.glb",
      "model_3d_plain": "cmt2210lc-esr2-etched.glb",
      "model_3d_step": "cmt2210lc-esr2-etched.step",
      "model_3d_step_plain": "cmt2210lc-esr2.step",
      "lbr": "cmt2210lc-esr2.lbr"
    },
    "distributor_links": {
      "lcsc": "C118065"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T03:48:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the receiver."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input; operating supply range is 1.8 to 3.6 V, with a supply slope of no more than 1 mV/us."
      },
      {
        "number": "3",
        "name": "DOUT",
        "type": "output",
        "description": "Demodulated OOK receive data output to the external MCU."
      },
      {
        "number": "4",
        "name": "SDN",
        "type": "input",
        "description": "Chip shutdown control input: pulling low enables receiver operation and pulling high turns the receiver off."
      },
      {
        "number": "5",
        "name": "XIN",
        "type": "input",
        "description": "Crystal oscillator input, or external reference clock input through a DC-blocking capacitor; external clock amplitude should be 0.3 to 0.7 V peak-to-peak at the XTAL pin."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave floating."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave floating."
      },
      {
        "number": "8",
        "name": "RFIN",
        "type": "input",
        "description": "RF signal input to the chip's LNA; the LNA input is matched to 50 Ω or other antenna types with one inductor and one capacitor."
      }
    ],
    "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: MPN given is CMT2210LC-ESR2, but the datasheet only lists CMT2210LC-ESR (tape and reel, 2,500 pcs) a; The pin diagram on page 7 is garbled in the text extraction; pin assignments were taken from the Tab"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0649,
        "at": "2026-10-18T03:45:42"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586197060152397824",
        "pages": 18,
        "sha256": "4ab7e49e70be802b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cmt2210lc-esr2-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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6fac31098f5909625e396cd314329168a62f7c7d793a3017f815976881274623",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HopeRF Micro electronics",
      "Package": "SOP-8",
      "Category": "RF And Wireless",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "4ab7e49e70be802bd8e0621d1e870071df6af6618ad2c4374528fd161a949346",
      "rows": [
        {
          "name": "Operating supply voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "TOP",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Interface voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "max printed as VDD + 0.3 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -50,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Soldering temperature",
          "symbol": "TSDR",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 255,
          "conditions": "duration at least 30 s",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM rating",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "human body model (HBM)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Latch-up current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "@ 85 °C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Data rate",
          "symbol": "DR",
          "kind": "electrical",
          "unit": "kbps",
          "min": 1,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Maximum input signal (saturation input level)",
          "symbol": "PLVL",
          "kind": "electrical",
          "unit": "dBm",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Blocking immunity, ±1 MHz CW interference",
          "symbol": "BI",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 26,
          "max": null,
          "conditions": "±1 MHz, continuous-wave interference",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Blocking immunity, ±2 MHz CW interference",
          "symbol": "BI",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 37,
          "max": null,
          "conditions": "±2 MHz, continuous-wave interference",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Blocking immunity, ±10 MHz CW interference",
          "symbol": "BI",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 65,
          "max": null,
          "conditions": "±10 MHz, continuous-wave interference",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input third-order intercept point",
          "symbol": "IIP3",
          "kind": "electrical",
          "unit": "dBm",
          "min": null,
          "typ": -23,
          "max": null,
          "conditions": "two-tone test at 1 MHz and 2 MHz offset, maximum system gain setting",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Sensitivity at 315 MHz",
          "symbol": "S315",
          "kind": "electrical",
          "unit": "dBm",
          "min": null,
          "typ": -109,
          "max": null,
          "conditions": "FRF = 315 MHz, DR = 3 kbps, BER = 0.1%",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Sensitivity at 433.92 MHz",
          "symbol": "S433.92",
          "kind": "electrical",
          "unit": "dBm",
          "min": null,
          "typ": -109,
          "max": null,
          "conditions": "FRF = 433.92 MHz, DR = 3 kbps, BER = 0.1%",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Operating current at 315 MHz",
          "symbol": "IDD315",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.3,
          "max": null,
          "conditions": "FRF = 315 MHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Operating current at 433.92 MHz",
          "symbol": "IDD433.92",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.8,
          "max": null,
          "conditions": "FRF = 433.92 MHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Sleep (shutdown) current",
          "symbol": "ISHUTDOWN",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Receiver bandwidth at 315 MHz",
          "symbol": "BW315",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 240,
          "max": null,
          "conditions": "FRF = 315 MHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Receiver bandwidth at 433.92 MHz",
          "symbol": "BW433.92",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 330,
          "max": null,
          "conditions": "FRF = 433.92 MHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Frequency synthesizer lock time",
          "symbol": "TLOCK",
          "kind": "timing",
          "unit": "us",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "from XOSC stable start",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Receiver start-up time",
          "symbol": "TSTART-UP",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 3,
          "max": null,
          "conditions": "from power-up to reception",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Crystal frequency at 315 MHz",
          "symbol": "FXTAL315",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 19.7008,
          "max": null,
          "conditions": "FRF = 315 MHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Crystal frequency at 433.92 MHz",
          "symbol": "FXTAL433.92",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 27.1383,
          "max": null,
          "conditions": "FRF = 433.92 MHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Crystal frequency accuracy",
          "symbol": "",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "includes initial error, crystal load, aging and temperature variation",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Crystal load capacitance",
          "symbol": "CLOAD",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Crystal equivalent series resistance",
          "symbol": "Rm",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Crystal start-up time",
          "symbol": "tXTAL",
          "kind": "timing",
          "unit": "us",
          "min": null,
          "typ": 400,
          "max": null,
          "conditions": "largely dependent on the crystal",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cmt2210lc-esr2"
  ],
  "discovery_pitch": "CMT2210LC-ESR2 (HopeRF Micro electronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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  "visibility": {
    "public": true
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}