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Ray Set visibility: public c0bad28 7d ago
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{
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  "type": "component",
  "slug": "cn951",
  "title": "CN951",
  "brief": "ShangHai Consonance Elec Comparators, 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": [
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    "amplifiers",
    "cn951",
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  "component": {
    "mpn": "CN951",
    "manufacturer": "ShangHai Consonance Elec",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Amplifiers",
    "subcategory": "Comparators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/9f868a2a6d4c4f6ba045919bb75779e0.pdf",
    "parts": {
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      "footprint": "cn951.kicad_mod",
      "model_3d": "cn951-hero.glb",
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      "model_3d_step": "cn951-etched.step",
      "model_3d_step_plain": "cn951.step",
      "lbr": "cn951.lbr"
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    "distributor_links": {
      "lcsc": "C131183"
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    "distributor_check": {
      "checked_at": "2026-10-27T09:45:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
        "pn": null,
        "status": "quota"
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    "pins": [
      {
        "number": "1",
        "name": "AMPOUT",
        "type": "output",
        "description": "Operational amplifier output (rail-to-rail); short-circuit duration to GND/VCC is continuous."
      },
      {
        "number": "2",
        "name": "AMPIN-",
        "type": "input",
        "description": "Operational amplifier inverting input."
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      {
        "number": "3",
        "name": "AMPIN+",
        "type": "input",
        "description": "Operational amplifier non-inverting input."
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      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
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      {
        "number": "5",
        "name": "COMPIN+",
        "type": "input",
        "description": "Voltage comparator non-inverting input; thresholds are VREF+0.007V rising and VREF-0.007V falling (the inverting input is tied internally to REF)."
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      {
        "number": "6",
        "name": "REF",
        "type": "output",
        "description": "Reference voltage output, typically 1.211V ±2%, internally connected to the comparator inverting input; sources or sinks 20µA and should not have a capacitor above 100pF."
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      {
        "number": "7",
        "name": "COMPOUT",
        "type": "output",
        "description": "Voltage comparator output (rail-to-rail); short-circuit duration is 2 seconds."
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        "pages": 8,
        "sha256": "b234e71967187844",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
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  "metadata": {
    "specs": {
      "Manufacturer": "ShangHai Consonance Elec",
      "Package": "SOP-8",
      "Category": "Amplifiers",
      "Pins": "8"
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    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "b234e71967187844b4fa337ac55e3a14a15c57fa6fcddfe482df02d11741e50e",
      "rows": [
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          "name": "Supply voltage range",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Supply current",
          "symbol": "IVCC",
          "kind": "electrical",
          "unit": "uA",
          "min": 8,
          "typ": 14,
          "max": 20,
          "conditions": "VCC=3.0V",
          "source_page": 3,
          "source": "datasheet"
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          "name": "Supply current",
          "symbol": "IVCC",
          "kind": "electrical",
          "unit": "uA",
          "min": 9,
          "typ": 15,
          "max": 21,
          "conditions": "VCC=5.0V",
          "source_page": 3,
          "source": "datasheet"
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          "name": "Reference voltage",
          "symbol": "VREF",
          "kind": "electrical",
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          "min": 1.187,
          "typ": 1.211,
          "max": 1.235,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Comparator input offset voltage",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 1,
          "max": 4,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Comparator input leakage current",
          "symbol": "",
          "kind": "electrical",
          "unit": "nA",
          "min": -10,
          "typ": 0.01,
          "max": 10,
          "conditions": "",
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        {
          "name": "Comparator CMRR",
          "symbol": "CMRR",
          "kind": "electrical",
          "unit": "mV/V",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "GND to VCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Comparator PSRR",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "mV/V",
          "min": null,
          "typ": 0.05,
          "max": 1,
          "conditions": "VCC = 2.5V to 5.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Comparator output low level",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "ISINK = 10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Op amp input offset voltage",
          "symbol": "Vos",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Op amp input bias current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 0.01,
          "max": 10,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Op amp large signal gain, no load",
          "symbol": "Avol",
          "kind": "electrical",
          "unit": "V/mV",
          "min": 100,
          "typ": 1000,
          "max": null,
          "conditions": "AMPOUT = 0.5V to 5V, VCC-GND = 5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Op amp large signal gain, 100k load",
          "symbol": "Avol",
          "kind": "electrical",
          "unit": "V/mV",
          "min": 40,
          "typ": 150,
          "max": null,
          "conditions": "AMPOUT = 0.5V to 4.5V, VCC-GND = 5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Op amp CMRR",
          "symbol": "CMRR",
          "kind": "electrical",
          "unit": "V/mV",
          "min": null,
          "typ": 0.03,
          "max": 1,
          "conditions": "VCM = GND to VCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Op amp PSRR",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "V/mV",
          "min": null,
          "typ": 0.07,
          "max": 1,
          "conditions": "VCC = 2.5V to 5.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Op amp output source current",
          "symbol": "ISRC",
          "kind": "electrical",
          "unit": "uA",
          "min": 300,
          "typ": 820,
          "max": null,
          "conditions": "VCC-GND= 5V",
          "source_page": 4,
          "source": "datasheet"
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          "name": "Op amp output sink current",
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          "kind": "electrical",
          "unit": "uA",
          "min": 200,
          "typ": 570,
          "max": null,
          "conditions": "VCC-GND= 5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage to GND",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 3,
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          "name": "Pin current, all pins",
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          "min": null,
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          "conditions": "All Pins",
          "source_page": 3,
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          "name": "Maximum junction temperature",
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          "unit": "°C",
          "min": null,
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        {
          "name": "Operating temperature range",
          "symbol": "",
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          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
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        {
          "name": "Storage temperature range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Soldering temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 seconds",
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          "name": "Thermal resistance",
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          "kind": "thermal",
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          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Comparator propagation delay",
          "symbol": "tpd",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "CL = 100pF, VCC = 5V, 5mV Overdrive",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Comparator propagation delay",
          "symbol": "tpd",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": 6,
          "max": null,
          "conditions": "CL=100pF, VCC=5V, 20mV Overdrive",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Op amp bandwidth",
          "symbol": "GBW",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "AV = 1V/V, VCC-GND = 5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Op amp slew rate",
          "symbol": "SR",
          "kind": "electrical",
          "unit": "V/ms",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "AV = 1V/V, VCC-GND = 5V",
          "source_page": 4,
          "source": "datasheet"
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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