component
TL081 JFET-Input Op-Amp
Public Made by Adomby adom
Single JFET-input operational amplifier with high slew rate and low input bias current.
main
Ray
tl081: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding)
c44754c
28d ago
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{
"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"
}
]
}