main
Ray tl081: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) c44754c 28d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "tl081",
  "title": "TL081 JFET-Input Op-Amp",
  "brief": "Single JFET-input operational amplifier with high slew rate and low input bias current.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "op-amp",
    "jfet",
    "single",
    "analog",
    "ti",
    "soic-8"
  ],
  "component": {
    "mpn": "TL081",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Analog",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tl081.pdf",
    "parts": {
      "symbol": "tl081.kicad_sym",
      "footprint": "tl081.kicad_mod",
      "model_3d": "tl081-etched.glb",
      "model_3d_plain": "tl081.glb",
      "model_3d_step": "tl081-etched.step",
      "model_3d_step_plain": "tl081.step",
      "lbr": "tl081.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "OFFSET N1",
        "type": "input",
        "description": "Input offset-voltage adjustment. Connect the ends of an external trim potentiometer (typ. 10 kΩ) between OFFSET N1 (pin 1) and OFFSET N2 (pin 5), with the wiper tied to VCC-. Leave open if offset trim is not required."
      },
      {
        "number": "2",
        "name": "IN-",
        "type": "input",
        "description": "Inverting input of the op-amp. JFET-gate input; ultra-low input bias current. Common-mode input range extends to VCC+ (per datasheet features)."
      },
      {
        "number": "3",
        "name": "IN+",
        "type": "input",
        "description": "Non-inverting input of the op-amp. JFET-gate input; ultra-low input bias current. Common-mode input range extends to VCC+."
      },
      {
        "number": "4",
        "name": "VCC-",
        "type": "power_in",
        "description": "Negative supply rail. For split-supply operation, tie to the negative rail; for single-supply operation, tie to GND. Total supply (VCC+) − (VCC-) must be between 4.5 V and 40 V (10 V to 30 V for NS/PS packages and TL08xM)."
      },
      {
        "number": "5",
        "name": "OFFSET N2",
        "type": "input",
        "description": "Input offset-voltage adjustment. Second end of the external offset-null potentiometer (see OFFSET N1). Leave open if offset trim is not required."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "Op-amp output. Short-circuit protected to ground (continuous, one amplifier per package). Drives loads referenced between VCC- and VCC+."
      },
      {
        "number": "7",
        "name": "VCC+",
        "type": "power_in",
        "description": "Positive supply rail. Recommended supply (VCC+) − (VCC-) is 4.5 V to 40 V (10 V to 30 V for NS/PS packages and TL08xM). Bypass with a local ceramic capacitor to VCC- (or GND for single-supply)."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect. No internal bond wire. Leave floating on the PCB."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tl081.pdf",
        "pages": 78,
        "sha256": "6a831542dbeee1d7",
        "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": "tl081.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": "tl081-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": "44084ce0fc7ca1d59eb94fff83e1237a21b982c02a3e8d5a0f5253589397cb51",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Single JFET-input op-amp",
      "Supply voltage": "+-2.25 V to +-18 V (4.5 V to 36 V single)",
      "Input bias current": "30 pA typ",
      "Slew rate": "13 V/us typ",
      "Gain-bandwidth product": "3 MHz typ",
      "Input offset voltage": "3 mV typ",
      "Operating temperature": "0 C to 70 C"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "single JFET op-amp",
    "high input impedance amplifier",
    "active filter",
    "fast op-amp"
  ],
  "discovery_pitch": "A single JFET-input op-amp with high slew rate and high input impedance for filters, buffers, and general analog.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tl081.kicad_sym",
    "tl081.kicad_mod",
    "tl081.glb",
    "tl081.step",
    "tl081.lbr",
    "docs/hero.png",
    "docs/tl081-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tl081-etched.step"
  ],
  "variants": [
    {
      "mpn": "TL081P",
      "kind": "unknown"
    },
    {
      "mpn": "TL081D",
      "kind": "unknown"
    },
    {
      "mpn": "TL081PS",
      "kind": "unknown"
    },
    {
      "mpn": "TL081DBV",
      "kind": "unknown"
    },
    {
      "mpn": "TL081DCK",
      "kind": "unknown"
    }
  ]
}