LM2902DR

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  "type": "component",
  "slug": "lm2902dr",
  "title": "LM2902DR",
  "brief": "UMW Operational Amplifier, SOP-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "op-amp-cmp",
    "lm2902dr"
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  "component": {
    "mpn": "LM2902DR",
    "manufacturer": "UMW",
    "package": "SOP-14",
    "pin_count": 14,
    "category": "Op-amp/Cmp",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403231420_UMW-Youtai-Semiconductor-Co---Ltd--LM2902DR_C2874965.pdf",
    "parts": {
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      "footprint": "lm2902dr.kicad_mod",
      "model_3d": "lm2902dr-etched.glb",
      "model_3d_plain": "lm2902dr.glb",
      "model_3d_step": "lm2902dr-etched.step",
      "model_3d_step_plain": "lm2902dr.step",
      "lbr": "lm2902dr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2874965"
    },
    "pins": [
      {
        "number": "1",
        "name": "1OUT",
        "type": "output",
        "description": "Output of op-amp channel 1. High-level output voltage typically Vcc-1.5V (RL=2kΩ); low-level typically 5 mV (RL≤10kΩ)."
      },
      {
        "number": "2",
        "name": "1IN-",
        "type": "input",
        "description": "Inverting (negative) input of op-amp channel 1. Common-mode input range 0 to Vcc-2 V; input bias current typically -20 nA."
      },
      {
        "number": "3",
        "name": "1IN+",
        "type": "input",
        "description": "Non-inverting (positive) input of op-amp channel 1. Common-mode input range 0 to Vcc-2 V; input bias current typically -20 nA."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage. Single-supply operation 3V to 26V (LM2902); dual supply ±1.5V to ±13V. Absolute maximum 26V."
      },
      {
        "number": "5",
        "name": "2IN+",
        "type": "input",
        "description": "Non-inverting (positive) input of op-amp channel 2. Common-mode input range 0 to Vcc-2 V."
      },
      {
        "number": "6",
        "name": "2IN-",
        "type": "input",
        "description": "Inverting (negative) input of op-amp channel 2. Common-mode input range 0 to Vcc-2 V."
      },
      {
        "number": "7",
        "name": "2OUT",
        "type": "output",
        "description": "Output of op-amp channel 2. High-level output voltage typically Vcc-1.5V (RL=2kΩ); low-level typically 5 mV (RL≤10kΩ)."
      },
      {
        "number": "8",
        "name": "3OUT",
        "type": "output",
        "description": "Output of op-amp channel 3. High-level output voltage typically Vcc-1.5V (RL=2kΩ); low-level typically 5 mV (RL≤10kΩ)."
      },
      {
        "number": "9",
        "name": "3IN-",
        "type": "input",
        "description": "Inverting (negative) input of op-amp channel 3. Common-mode input range 0 to Vcc-2 V."
      },
      {
        "number": "10",
        "name": "3IN+",
        "type": "input",
        "description": "Non-inverting (positive) input of op-amp channel 3. Common-mode input range 0 to Vcc-2 V."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / negative supply reference for the device. All voltage values (except differential voltages) are with respect to this network GND."
      },
      {
        "number": "12",
        "name": "4IN+",
        "type": "input",
        "description": "Non-inverting (positive) input of op-amp channel 4. Common-mode input range 0 to Vcc-2 V."
      },
      {
        "number": "13",
        "name": "4IN-",
        "type": "input",
        "description": "Inverting (negative) input of op-amp channel 4. Common-mode input range 0 to Vcc-2 V."
      },
      {
        "number": "14",
        "name": "4OUT",
        "type": "output",
        "description": "Output of op-amp channel 4. High-level output voltage typically Vcc-1.5V (RL=2kΩ); low-level typically 5 mV (RL≤10kΩ)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403231420_UMW-Youtai-Semiconductor-Co---Ltd--LM2902DR_C2874965.pdf",
        "pages": 13,
        "sha256": "788d49747ca05cb8",
        "source_tier": "lcsc"
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      "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",
      "footprint": "viewers/footprint.html"
    },
    "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"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          8.7,
          1.75
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
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        "zmin_mm": 0,
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        "checked": "2026-11-03",
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      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Unknown",
      "Package": "SOP-14",
      "Category": "Op-amp/Cmp",
      "Pins": "14"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "788d49747ca05cb8",
      "rows": [
        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 26,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Common-mode voltage",
          "symbol": "VCM",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "max printed as VCC-2",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating free-air temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 26,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Differential input voltage",
          "symbol": "VID",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -26,
          "typ": null,
          "max": 26,
          "conditions": "differential voltages are at IN+ with respect to IN-",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input voltage (either input)",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 26,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating virtual junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input offset voltage (25°C)",
          "symbol": "VIO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 2,
          "max": 7,
          "conditions": "25°C; VCC=5V to MAX; VIC=VICR min, VO=1.4V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input offset voltage (full range)",
          "symbol": "VIO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "Full range; VCC=5V to MAX; VIC=VICR min, VO=1.4V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Large-signal differential voltage amplification (25°C)",
          "symbol": "AVD",
          "kind": "electrical",
          "unit": "V/mV",
          "min": 25,
          "typ": 100,
          "max": null,
          "conditions": "25°C; VCC=15V, VO=1V to 11V, RL≥2kΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Large-signal differential voltage amplification (full range)",
          "symbol": "AVD",
          "kind": "electrical",
          "unit": "V/mV",
          "min": 15,
          "typ": null,
          "max": null,
          "conditions": "Full range; VCC=15V, VO=1V to 11V, RL≥2kΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply current (four amplifiers)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.7,
          "max": 1.2,
          "conditions": "VCC=MAX, VO=0.5VCC, no load",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance (SOP, 14 pins)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 86,
          "max": null,
          "conditions": "SOP 14 pins",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "LM2902DR (Unknown) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
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  "variants": [
    {
      "mpn": "LM2902DR",
      "kind": "packaging"
    },
    {
      "mpn": "LM2902DRN",
      "kind": "packaging"
    },
    {
      "mpn": "LM2902DRPWR",
      "kind": "packaging"
    },
    {
      "mpn": "LM2902DRPW",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T16:23:19.764Z"
}