OPA2277

{
  "schema_version": 1,
  "type": "component",
  "slug": "opa2277",
  "title": "OPA2277",
  "brief": "TI high-precision dual op-amp, SOIC-8. 10 uV offset, 0.1 uV/C drift, low noise, +/-2 to +/-18 V. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "amplifier",
    "op-amp",
    "precision",
    "low-offset",
    "soic-8",
    "texas-instruments"
  ],
  "component": {
    "mpn": "OPA2277",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Amplifier",
    "subcategory": "Operational amplifier",
    "datasheet": "https://www.ti.com/lit/ds/symlink/opa2277.pdf",
    "parts": {
      "symbol": "opa2277.kicad_sym",
      "footprint": "opa2277.kicad_mod",
      "model_3d": "opa2277-etched.glb",
      "model_3d_plain": "opa2277.glb",
      "model_3d_step": "opa2277-etched.step",
      "model_3d_step_plain": "opa2277.step",
      "lbr": "opa2277.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "Out A",
        "type": "output",
        "description": "Output of amplifier channel A. Rail-to-rail is not supported; swing is limited to a few volts inside the supplies at the specified load."
      },
      {
        "number": "2",
        "name": "-In A",
        "type": "input",
        "description": "Inverting input of amplifier channel A. High-impedance precision input with 1 nA maximum input bias current."
      },
      {
        "number": "3",
        "name": "+In A",
        "type": "input",
        "description": "Noninverting input of amplifier channel A. High-impedance precision input with 1 nA maximum input bias current; common-mode range extends to within ~2 V of each supply rail."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative (lowest) power supply. Operates from -2 V to -18 V relative to V+ (total supply span 4 V to 36 V). Bypass with 0.1 µF close to the pin."
      },
      {
        "number": "5",
        "name": "+In B",
        "type": "input",
        "description": "Noninverting input of amplifier channel B. High-impedance precision input with 1 nA maximum input bias current."
      },
      {
        "number": "6",
        "name": "-In B",
        "type": "input",
        "description": "Inverting input of amplifier channel B. High-impedance precision input with 1 nA maximum input bias current."
      },
      {
        "number": "7",
        "name": "Out B",
        "type": "output",
        "description": "Output of amplifier channel B. Unity-gain stable; drives typical op-amp loads across the -18 V to +18 V supply range."
      },
      {
        "number": "8",
        "name": "V+",
        "type": "power_in",
        "description": "Positive (highest) power supply. Operates from +2 V to +18 V relative to V- (total supply span 4 V to 36 V). Bypass with 0.1 µF close to the pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/opa2277.pdf",
        "pages": 43,
        "sha256": "f4feb6c3cc266f39",
        "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"
    },
    "models_3d": [
      {
        "file": "opa2277.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "opa2277-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "30b008cdc90513a68486fd6e28baee9f806785d60cc6cd8f7cc9b41a581ffb28",
        "checked": "2026-11-03",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Dual precision op-amp",
      "Input offset": "10 uV (typ)",
      "Offset drift": "0.1 uV/C",
      "Gain-bandwidth": "1 MHz",
      "Supply": "+/-2 to +/-18 V",
      "Noise": "Low (8 nV/rtHz)",
      "Package": "SOIC-8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "opa2277",
    "high precision op amp",
    "10uv offset op amp",
    "low drift dual op amp"
  ],
  "discovery_pitch": "TI OPA2277 high-precision dual op-amp (SOIC-8) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "opa2277.kicad_sym",
    "opa2277.kicad_mod",
    "opa2277.glb",
    "opa2277.step",
    "opa2277.lbr",
    "docs/hero.png",
    "docs/opa2277-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "opa2277-etched.step"
  ],
  "variants": [
    {
      "mpn": "OPA2277UA (SOIC-8)",
      "kind": "packaging"
    },
    {
      "mpn": "OPA2277PA (PDIP-8)",
      "kind": "packaging"
    },
    {
      "mpn": "OPA2277AIDR (A-grade, SOIC-8)",
      "kind": "packaging"
    }
  ]
}