main
Ray Set visibility: public f260162 18h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "ms2351m",
  "title": "MS2351M",
  "brief": "Hangzhou Ruimeng Tech Operational Amplifier, 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": [
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    "amplifiers",
    "ms2351m",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MS2351M",
    "manufacturer": "Hangzhou Ruimeng Tech",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Amplifiers",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/371bd19484caae16d79d90c1a743a268.pdf",
    "parts": {
      "symbol": "ms2351m.kicad_sym",
      "footprint": "ms2351m.kicad_mod",
      "model_3d": "ms2351m-hero.glb",
      "model_3d_plain": "ms2351m-etched.glb",
      "model_3d_step": "ms2351m-etched.step",
      "model_3d_step_plain": "ms2351m.step",
      "lbr": "ms2351m.lbr"
    },
    "distributor_links": {
      "lcsc": "C1509084"
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    "distributor_check": {
      "checked_at": "2026-11-02T17:47:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
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        "name": "RFIN",
        "type": "input",
        "description": "RF signal input with internal AC coupling, 95 kΩ DC resistance to ground and 3 kΩ in-band input resistance at 0.1 GHz; a 52.3 Ω shunt resistor to ground gives an equivalent 50 Ω input."
      },
      {
        "number": "2",
        "name": "ENBL",
        "type": "input",
        "description": "Enable pin: tie to VPOS for normal operation and to ground to shut the chip down, with high-level input of at least 1.4 V and low-level of at most 0.1 V over -40℃ to 85℃."
      },
      {
        "number": "3",
        "name": "VSET",
        "type": "input",
        "description": "Setpoint input with a voltage range of 0.15 V to 1.2 V; connect it to V_UP for measurement mode, otherwise drive it from an external control voltage for control mode."
      },
      {
        "number": "4",
        "name": "FLTR",
        "type": "output",
        "description": "Filter pin where an external capacitor connected between FLTR and V_UP lengthens the output response time."
      },
      {
        "number": "5",
        "name": "COMM",
        "type": "power_in",
        "description": "Reference ground for the device."
      },
      {
        "number": "6",
        "name": "V_UP",
        "type": "output",
        "description": "Logarithmic RSSI output proportional to the input signal amplitude, with a range of 0.015 V to 1.23 V at RL≥10 kΩ."
      },
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        "number": "7",
        "name": "V_DN",
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        "description": "Inverted output of V_UP following V_DN = 2.25 - 2×V_UP, with a maximum output of 2.2 V to 2.3 V at VPOS≥3.3 V."
      },
      {
        "number": "8",
        "name": "VPOS",
        "type": "power_in",
        "description": "Supply pin with a specified range of 2.7 V to 5.5 V, to be decoupled with a 0.1 µF low-inductance ceramic capacitor placed next to the pin."
      }
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        "cost_usd": 0.0163,
        "at": "2026-11-02T17:47:46"
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        "pages": 27,
        "sha256": "407ed168b9533fb6",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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  "metadata": {
    "specs": {
      "Manufacturer": "Hangzhou Ruimeng Tech",
      "Package": "MSOP-8",
      "Category": "Amplifiers",
      "Pins": "8"
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    "characteristics": {
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      "source": "datasheet",
      "datasheet_sha256": "407ed168b9533fb64a88b7d94b5d9fc5c08fad4e79ffb05da1abc06bf8b9e7e1",
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          "name": "Input voltage",
          "symbol": "",
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          "unit": "mV rms",
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          "conditions": "内部 AC 耦合",
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          "name": "Equivalent power",
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          "kind": "electrical",
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          "min": -45,
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          "name": "Minimum output voltage",
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          "kind": "electrical",
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          "min": 0.013,
          "typ": 0.015,
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          "conditions": "RFIN 端无信号输入,RL≥10k",
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          "source": "datasheet"
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        {
          "name": "Maximum output voltage",
          "symbol": "V_UP",
          "kind": "electrical",
          "unit": "V",
          "min": 1.22,
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          "conditions": "RL≥10k",
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          "name": "Source current capability",
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          "unit": "mA",
          "min": 17.8,
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          "max": 18.7,
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          "source_page": 5,
          "source": "datasheet"
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          "kind": "electrical",
          "unit": "V",
          "min": 0.03,
          "typ": 0.036,
          "max": 0.05,
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          "name": "VSET input resistance",
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