OPA4991QPWRQ1

{
  "schema_version": 1,
  "type": "component",
  "slug": "opa4991qpwrq1",
  "title": "OPA4991QPWRQ1",
  "brief": "Texas Instruments Operational Amplifier, TSSOP-14. 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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  "component": {
    "mpn": "OPA4991QPWRQ1",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Amplifiers/Comparators",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://www.ti.com/cn/lit/gpn/opa4991-q1",
    "parts": {
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      "footprint": "opa4991qpwrq1.kicad_mod",
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      "model_3d_plain": "opa4991qpwrq1.glb",
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      "lbr": "opa4991qpwrq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C4369065",
      "digikey": "296-OPA4991QPWRQ1TR-ND",
      "mouser": "595-OPA4991QPWRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T02:48:15Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-OPA4991QPWRQ1TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-OPA4991QPWRQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT1",
        "type": "output",
        "description": "Output of channel 1 with ±75mA short circuit current capability and 1nF capacitive load drive."
      },
      {
        "number": "2",
        "name": "IN1−",
        "type": "input",
        "description": "Inverting input of channel 1, common mode input range (V−)−0.1V to (V+)+0.1V."
      },
      {
        "number": "3",
        "name": "IN1+",
        "type": "input",
        "description": "Non-inverting input of channel 1, common mode input range (V−)−0.1V to (V+)+0.1V."
      },
      {
        "number": "4",
        "name": "V+",
        "type": "power_in",
        "description": "Positive power supply, operating range 2.7V to 40V relative to V−."
      },
      {
        "number": "5",
        "name": "IN2+",
        "type": "input",
        "description": "Non-inverting input of channel 2, common mode input range (V−)−0.1V to (V+)+0.1V."
      },
      {
        "number": "6",
        "name": "IN2−",
        "type": "input",
        "description": "Inverting input of channel 2, common mode input range (V−)−0.1V to (V+)+0.1V."
      },
      {
        "number": "7",
        "name": "OUT2",
        "type": "output",
        "description": "Output of channel 2 with ±75mA short circuit current capability and 1nF capacitive load drive."
      },
      {
        "number": "8",
        "name": "OUT3",
        "type": "output",
        "description": "Output of channel 3 with ±75mA short circuit current capability and 1nF capacitive load drive."
      },
      {
        "number": "9",
        "name": "IN3−",
        "type": "input",
        "description": "Inverting input of channel 3, common mode input range (V−)−0.1V to (V+)+0.1V."
      },
      {
        "number": "10",
        "name": "IN3+",
        "type": "input",
        "description": "Non-inverting input of channel 3, common mode input range (V−)−0.1V to (V+)+0.1V."
      },
      {
        "number": "11",
        "name": "V-",
        "type": "power_in",
        "description": "Negative power supply (ground reference), supply voltage range 2.7V to 40V."
      },
      {
        "number": "12",
        "name": "IN4+",
        "type": "input",
        "description": "Non-inverting input of channel 4, common mode input range (V−)−0.1V to (V+)+0.1V."
      },
      {
        "number": "13",
        "name": "IN4−",
        "type": "input",
        "description": "Inverting input of channel 4, common mode input range (V−)−0.1V to (V+)+0.1V."
      },
      {
        "number": "14",
        "name": "OUT4",
        "type": "output",
        "description": "Output of channel 4 with ±75mA short circuit current capability and 1nF capacitive load drive."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 27,
        "cost_usd": 0.1947,
        "at": "2026-10-07T02:47:59"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/opa4991-q1",
        "pages": 65,
        "sha256": "ad18138f042f7147",
        "source_tier": "lcsc"
      },
      "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"
    },
    "models_3d": [
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        "role": "plain",
        "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": "3ee5786aae56190997aa793ba3cfc003fd616782770e29719b4562f012982245",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
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        "role": "eda",
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        "origin": "footprint origin = pad-pattern centre",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a07ed07881008d6c1a1e16d5d3f5b4cd1deb2300424fd86c1ad960d3f90bb511",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-14",
      "Category": "Amplifiers/Comparators",
      "Pins": "14"
    }
  },
  "variants": [],
  "sections": [
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    "readme",
    "breadcrumbs",
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  "discovery_triggers": [
    "opa4991qpwrq1"
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  "discovery_pitch": "OPA4991QPWRQ1 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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}