LF356 JFET-Input Op-Amp

{
  "schema_version": 1,
  "type": "component",
  "slug": "lf356",
  "title": "LF356 JFET-Input Op-Amp",
  "brief": "Single JFET-input operational amplifier with fast settling and high slew rate.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "op-amp",
    "jfet",
    "single",
    "fast",
    "analog",
    "ti",
    "soic-8"
  ],
  "component": {
    "mpn": "LF356",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Analog",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lf356.pdf",
    "parts": {
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      "footprint": "lf356.kicad_mod",
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      "model_3d_plain": "lf356.glb",
      "model_3d_step": "lf356-etched.step",
      "model_3d_step_plain": "lf356.step",
      "lbr": "lf356.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "BALANCE",
        "type": "input",
        "description": "Offset-null / balance terminal for trimming input offset voltage. Connect a potentiometer between pins 1 and 5 with the wiper returned to V- (see typical application)."
      },
      {
        "number": "2",
        "name": "-INPUT",
        "type": "input",
        "description": "Inverting input of the op-amp (JFET gate). High input impedance ~10^12 Ω, input bias current typ. 30 pA. Absolute-max differential input ±40 V (LF15x/LF25x/LF356B) or ±30 V (LF35x)."
      },
      {
        "number": "3",
        "name": "+INPUT",
        "type": "input",
        "description": "Noninverting input of the op-amp (JFET gate). High input impedance ~10^12 Ω, input bias current typ. 30 pA."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative power supply rail. Recommended operating range ±15 V (Vs); absolute-max supply ±22 V (LF356B) / ±18 V (LF35x). Bypass to ground with a local ceramic capacitor."
      },
      {
        "number": "5",
        "name": "BALANCE",
        "type": "input",
        "description": "Offset-null / balance terminal (second end of the offset-trim pot). Connect a potentiometer between pins 1 and 5 with the wiper to V-."
      },
      {
        "number": "6",
        "name": "OUTPUT",
        "type": "output",
        "description": "Op-amp output. Continuous output short-circuit protected. Drives capacitive loads up to 5,000 pF without stability problems. Large-signal voltage gain typ. 106 dB."
      },
      {
        "number": "7",
        "name": "V+",
        "type": "power_in",
        "description": "Positive power supply rail. Recommended operating range ±15 V (Vs); absolute-max supply ±22 V (LF356B) / ±18 V (LF35x). Bypass to ground with a local ceramic capacitor."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to a convenient net; do not use as a routing tie-point on critical high-impedance nodes."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lf356.pdf",
        "pages": 47,
        "sha256": "5d84a62d96b964a5",
        "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"
    },
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        "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": "lf356-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
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        "sha256": "9d06dd922f31c2602336be51ef329a0c50b456e2d4ff66a967bc553deef0f793",
        "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": "+-5 V to +-18 V",
      "Input bias current": "30 pA typ",
      "Slew rate": "12 V/us typ",
      "Gain-bandwidth product": "5 MHz typ",
      "Settling time": "1.5 us to 0.01%",
      "Operating temperature": "0 C to 70 C"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
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    "info"
  ],
  "discovery_triggers": [
    "fast JFET op-amp",
    "high slew rate op-amp",
    "sample and hold",
    "fast settling amplifier"
  ],
  "discovery_pitch": "A fast JFET-input op-amp with high slew rate and quick settling for sample-and-hold, DAC buffers, and active filters.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  "variants": [
    {
      "mpn": "LF356P",
      "kind": "unknown"
    },
    {
      "mpn": "LF356N",
      "kind": "unknown"
    },
    {
      "mpn": "LF356D",
      "kind": "unknown"
    },
    {
      "mpn": "LF356DR",
      "kind": "unknown"
    },
    {
      "mpn": "LF356H",
      "kind": "unknown"
    },
    {
      "mpn": "LF356LMC",
      "kind": "unknown"
    }
  ]
}