OPA333

{
  "schema_version": 1,
  "type": "component",
  "slug": "opa333",
  "title": "OPA333",
  "brief": "TI zero-drift precision op-amp, SOT-23-5. 10 uV offset, 0.05 uV/C drift, rail-to-rail, 1.8-5.5 V. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "amplifier",
    "op-amp",
    "zero-drift",
    "precision",
    "chopper",
    "sot-23-5",
    "texas-instruments"
  ],
  "component": {
    "mpn": "OPA333",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Amplifier",
    "subcategory": "Zero-drift precision op-amp",
    "datasheet": "https://www.ti.com/lit/ds/symlink/opa333.pdf",
    "parts": {
      "symbol": "opa333.kicad_sym",
      "footprint": "opa333.kicad_mod",
      "model_3d": "opa333-etched.glb",
      "model_3d_plain": "opa333.glb",
      "lbr": "opa333.lbr",
      "model_3d_step": "opa333-etched.step",
      "model_3d_step_plain": "opa333.step"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "output",
        "description": "Op-amp output. Rail-to-rail output that swings within 50 mV of the supply rails. Short-circuit protected to ground (one amplifier per package)."
      },
      {
        "number": "2",
        "name": "V-",
        "type": "power_in",
        "description": "Negative (lowest) power supply. Connect to GND for single-supply operation or to the negative rail for dual-supply operation. Total supply (V+ minus V-) must be between 1.8 V and 5.5 V."
      },
      {
        "number": "3",
        "name": "+IN",
        "type": "input",
        "description": "Noninverting input. Common-mode range extends 100 mV beyond both supply rails. Diode-clamped to the supply rails; limit input current to 10 mA when signals exceed rails by more than 0.3 V."
      },
      {
        "number": "4",
        "name": "-IN",
        "type": "input",
        "description": "Inverting input. Common-mode range extends 100 mV beyond both supply rails. Diode-clamped to the supply rails; limit input current to 10 mA when signals exceed rails by more than 0.3 V."
      },
      {
        "number": "5",
        "name": "V+",
        "type": "power_in",
        "description": "Positive (highest) power supply. Operating supply range 1.8 V to 5.5 V referenced to V-. Bypass with a 0.1 µF ceramic capacitor to V-/GND close to the pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/opa333.pdf",
        "pages": 49,
        "sha256": "df60da7154848c57",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "opa333.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "opa333-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3f5d33776129e196077448dd16f4c4bc5f9e1fd0e15248625b8e82bcb3493491",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Zero-drift precision op-amp",
      "Offset voltage": "10 µV max",
      "Offset drift": "0.05 µV/°C",
      "Noise": "1.1 µVpp (0.1-10 Hz), no 1/f",
      "Output": "rail-to-rail",
      "Gain-bandwidth": "350 kHz",
      "Supply voltage": "1.8-5.5 V",
      "Package": "SOT-23-5"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "opa333",
    "zero drift op-amp",
    "precision op amp",
    "chopper op amp",
    "low offset op amp"
  ],
  "discovery_pitch": "OPA333 zero-drift precision operational amplifier (SOT-23-5) 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",
    "opa333.kicad_sym",
    "opa333.kicad_mod",
    "opa333.glb",
    "opa333.lbr",
    "docs/hero.png",
    "docs/opa333-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "opa333-etched.step"
  ],
  "variants": [
    {
      "mpn": "OPA333AIDBVR (SOT-23-5)",
      "kind": "packaging"
    },
    {
      "mpn": "OPA333AIDBVT (SOT-23-5, small reel)",
      "kind": "packaging"
    }
  ]
}