main
Ray lm2901dt: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body wi… 24cd643
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{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2901dt",
  "title": "LM2901DT",
  "brief": "STMicroelectronics Comparators, SOIC-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "lm2901dt"
  ],
  "component": {
    "mpn": "LM2901DT",
    "manufacturer": "STMicroelectronics",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Op-amp/Cmp",
    "subcategory": "Comparators",
    "datasheet": "https://www.st.com/resource/en/datasheet/lm2901dt.pdf",
    "parts": {
      "symbol": "lm2901dt.kicad_sym",
      "footprint": "lm2901dt.kicad_mod",
      "model_3d": "lm2901dt-etched.glb",
      "model_3d_plain": "lm2901dt.glb",
      "model_3d_step": "lm2901dt-etched.step",
      "model_3d_step_plain": "lm2901dt.step",
      "lbr": "lm2901dt.lbr"
    },
    "distributor_links": {
      "lcsc": "C142961"
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT2",
        "type": "output",
        "description": "Open-collector output of comparator 2. Requires an external pull-up resistor to the desired logic supply. Sinks up to 16 mA (typ)."
      },
      {
        "number": "2",
        "name": "OUT1",
        "type": "output",
        "description": "Open-collector output of comparator 1. Requires an external pull-up resistor. Sinks up to 16 mA (typ)."
      },
      {
        "number": "3",
        "name": "VCC+",
        "type": "power_in",
        "description": "Positive supply voltage. Single supply 3 V to 36 V, or dual supply ±1.5 V to ±18 V."
      },
      {
        "number": "4",
        "name": "IN1-",
        "type": "input",
        "description": "Inverting input of comparator 1. Input common-mode range includes ground (VCC-)."
      },
      {
        "number": "5",
        "name": "IN1+",
        "type": "input",
        "description": "Non-inverting input of comparator 1. Input common-mode range includes ground (VCC-)."
      },
      {
        "number": "6",
        "name": "IN2-",
        "type": "input",
        "description": "Inverting input of comparator 2. Input common-mode range includes ground (VCC-)."
      },
      {
        "number": "7",
        "name": "IN2+",
        "type": "input",
        "description": "Non-inverting input of comparator 2. Input common-mode range includes ground (VCC-)."
      },
      {
        "number": "8",
        "name": "IN3+",
        "type": "input",
        "description": "Non-inverting input of comparator 3. Input common-mode range includes ground (VCC-)."
      },
      {
        "number": "9",
        "name": "IN3-",
        "type": "input",
        "description": "Inverting input of comparator 3. Input common-mode range includes ground (VCC-)."
      },
      {
        "number": "10",
        "name": "IN4+",
        "type": "input",
        "description": "Non-inverting input of comparator 4. Input common-mode range includes ground (VCC-)."
      },
      {
        "number": "11",
        "name": "IN4-",
        "type": "input",
        "description": "Inverting input of comparator 4. Input common-mode range includes ground (VCC-)."
      },
      {
        "number": "12",
        "name": "VCC-",
        "type": "power_in",
        "description": "Negative supply / ground. Connect to GND for single-supply operation or to the negative rail for dual-supply operation."
      },
      {
        "number": "13",
        "name": "OUT4",
        "type": "output",
        "description": "Open-collector output of comparator 4. Requires an external pull-up resistor. Sinks up to 16 mA (typ)."
      },
      {
        "number": "14",
        "name": "OUT3",
        "type": "output",
        "description": "Open-collector output of comparator 3. Requires an external pull-up resistor. Sinks up to 16 mA (typ)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/lm2901dt.pdf",
        "pages": 17,
        "sha256": "43565e6eb9a8b5be",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
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    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -3.81
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-14_3.9x8.7mm_P1.27mm@sha256:a885b619b22880c9",
      "mark": "drawn"
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        "sha256": "9025d004c6a37d632100e6bb94fbd38c8230fd7f0ca3034b5decb25a55fd6187",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "SOIC-14",
      "Category": "Op-amp/Cmp",
      "Pins": "14"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "43565e6eb9a8b5be",
      "rows": [
        {
          "name": "Supply voltage (absolute maximum)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -18,
          "typ": null,
          "max": 36,
          "conditions": "Printed as ±18 to 36 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Differential input voltage",
          "symbol": "Vid",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -36,
          "typ": null,
          "max": 36,
          "conditions": "Printed as ±36 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "Vin",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 36,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM: human body model",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "Human body model, 100 pF through 1.5 kΩ",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD MM: machine model",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Machine model, 200 pF",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "ESD CDM: charged device model",
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          "max": 1500,
          "conditions": "Charged device model",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum junction temperature",
          "symbol": "Tj",
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          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Storage temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Supply voltage (operating, single supply)",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 32,
          "conditions": "Single supply",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage (operating, dual supplies)",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": 16,
          "conditions": "Dual supplies, printed as ±1 to ±16 V (magnitude)",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Common mode input voltage range (lower limit)",
          "symbol": "Vicm",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "Upper limit printed as VCC+ -1.5 V (VCC+ -2 V over Tmin ≤ Tamb ≤ Tmax)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating free-air temperature range",
          "symbol": "Toper",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Input offset voltage",
          "symbol": "Vio",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 1,
          "max": 7,
          "conditions": "VO ≈ 1.4 V, RS = 0, VCC+ 5 V to 30 V, full common-mode range (footnote 1)",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Input offset voltage",
          "symbol": "Vio",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "Tmin ≤ Tamb ≤ Tmax",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Input offset current",
          "symbol": "Iio",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 5,
          "max": 50,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Input offset current",
          "symbol": "Iio",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "Tmin ≤ Tamb ≤ Tmax",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Input bias current",
          "symbol": "Iib",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 25,
          "max": 250,
          "conditions": "Input bias current (II+ or II-)",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Input bias current",
          "symbol": "Iib",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "Tmin ≤ Tamb ≤ Tmax",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Large signal voltage gain",
          "symbol": "Avd",
          "kind": "electrical",
          "unit": "V/mV",
          "min": 25,
          "typ": 200,
          "max": null,
          "conditions": "VCC = 15 V, RL = 15 kΩ, Vo = 1 to 11 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply current (all comparators)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.1,
          "max": 2,
          "conditions": "VCC = +5 V, no load",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Supply current (all comparators)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.3,
          "max": 2.5,
          "conditions": "VCC = +30 V, no load",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 250,
          "max": 400,
          "conditions": "Vid = -1 V, Isink = 4 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 700,
          "conditions": "Vid = -1 V, Isink = 4 mA; Tmin ≤ Tamb ≤ Tmax",
          "source_page": 4,
          "source": "datasheet"
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          "name": "High level output current",
          "symbol": "IOH",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "VCC = Vo = 30 V, Vid = 1 V",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "High level output current",
          "symbol": "IOH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VCC = Vo = 30 V, Vid = 1 V; Tmin ≤ Tamb ≤ Tmax",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output sink current",
          "symbol": "Isink",
          "kind": "electrical",
          "unit": "mA",
          "min": 6,
          "typ": 16,
          "max": null,
          "conditions": "Vid = -1 V, Vo = 1.5 V",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Small signal response time",
          "symbol": "tres",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 1.3,
          "max": null,
          "conditions": "RL = 5.1 kΩ connected to VCC+",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Large signal response time (output at 50% of final value)",
          "symbol": "trel",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 500,
          "max": null,
          "conditions": "TTL input, Vref = +1.4 V, RL = 5.1 kΩ to VCC+",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Large signal response time (output at 95% of final value)",
          "symbol": "trel",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "TTL input, Vref = +1.4 V, RL = 5.1 kΩ to VCC+",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to ambient (SO-14)",
          "symbol": "Rthja",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 105,
          "max": null,
          "conditions": "SO-14 package; values are typical",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to case (SO-14)",
          "symbol": "Rthjc",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 31,
          "max": null,
          "conditions": "SO-14 package; values are typical",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
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  "discovery_pitch": "LM2901DT (STMicroelectronics) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
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  "updated_at": "2026-09-28T16:22:26.284Z"
}