OPA277UA

{
  "schema_version": 1,
  "type": "component",
  "slug": "opa277ua",
  "title": "OPA277UA",
  "brief": "Texas Instruments Precision OpAmps, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "opa277ua"
  ],
  "component": {
    "mpn": "OPA277UA",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Op-amp/Cmp",
    "subcategory": "Precision OpAmps",
    "datasheet": "https://www.ti.com/lit/ds/symlink/opa277ua.pdf",
    "parts": {
      "symbol": "opa277ua.kicad_sym",
      "footprint": "opa277ua.kicad_mod",
      "model_3d": "opa277ua-etched.glb",
      "model_3d_plain": "opa277ua.glb",
      "model_3d_step": "opa277ua-etched.step",
      "model_3d_step_plain": "opa277ua.step",
      "lbr": "opa277ua.lbr"
    },
    "distributor_links": {
      "digikey": "OPA277UA-ND",
      "lcsc": "C1346180"
    },
    "pins": [
      {
        "number": "1",
        "name": "Offset Trim",
        "type": "input",
        "description": "Input offset voltage trim pin. Connect a 10 kΩ potentiometer between pins 1 and 8 with the wiper to V- to null the initial input offset voltage. Leave floating if the offset trim is not used."
      },
      {
        "number": "2",
        "name": "-In",
        "type": "input",
        "description": "Inverting input of the operational amplifier. High-impedance analog input with input bias current of 1 nA maximum."
      },
      {
        "number": "3",
        "name": "+In",
        "type": "input",
        "description": "Noninverting input of the operational amplifier. High-impedance analog input with input bias current of 1 nA maximum."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative (lowest) power supply rail. Total supply range V+ to V- is ±2 V to ±18 V (4 V to 36 V single-supply). Bypass to ground with a 0.1 µF ceramic capacitor near the pin."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Can be left floating or tied to any voltage without affecting device operation."
      },
      {
        "number": "6",
        "name": "Output",
        "type": "output",
        "description": "Op-amp output. Drives loads referenced to ground or between supplies; output swings to within ~1 V of each rail. Short-circuit protected."
      },
      {
        "number": "7",
        "name": "V+",
        "type": "power_in",
        "description": "Positive (highest) power supply rail. Total supply range V+ to V- is ±2 V to ±18 V (4 V to 36 V single-supply). Bypass to ground with a 0.1 µF ceramic capacitor near the pin."
      },
      {
        "number": "8",
        "name": "Offset Trim",
        "type": "input",
        "description": "Input offset voltage trim pin. Connect a 10 kΩ potentiometer between pins 1 and 8 with the wiper to V- to null the initial input offset voltage. Leave floating if the offset trim is not used."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/opa277ua.pdf",
        "pages": 42,
        "sha256": "7ff51bbc8d27be41",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "Op-amp/Cmp",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "opa277ua"
  ],
  "discovery_pitch": "OPA277UA (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "opa277ua.kicad_sym",
    "opa277ua.kicad_mod",
    "opa277ua.glb",
    "opa277ua.step",
    "opa277ua-etched.step",
    "opa277ua.lbr",
    "docs/hero.png",
    "docs/opa277ua-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "OPA277UA",
      "kind": "packaging"
    },
    {
      "mpn": "OPA277UAU",
      "kind": "packaging"
    },
    {
      "mpn": "OPA277UAP",
      "kind": "packaging"
    },
    {
      "mpn": "OPA277UADRM",
      "kind": "packaging"
    },
    {
      "mpn": "OPA277UADRBT",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T03:47:36.835Z"
}