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OPA244UA
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Texas Instruments Operational Amplifier, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+44@@ -0,0 +1,44 @@+# OPA244UA++**Texas Instruments** · Operational Amplifier · SOIC-8++OPA244UA from Texas Instruments, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | NC | unconnected | Marked NC on the pinout drawing; the datasheet states no function or connection for this pin. |+| 2 | -In | input | Inverting input; the common-mode input range is 0 V to (V+) - 0.9 V, and inputs are diode-clamped to the supply rails and should be limited to 10 mA if they can exceed the rails by more than 0.3 V. |+| 3 | +In | input | Non-inverting input; the common-mode input range is 0 V to (V+) - 0.9 V, and inputs are diode-clamped to the supply rails and should be limited to 10 mA if they can exceed the rails by more than 0.3 V. |+| 4 | V- | power_in | Negative supply; the part runs from dual supplies of +/-1.1 V to +/-18 V or from a single supply of +2.2 V to +36 V, with the input range referenced to V-. |+| 5 | NC | unconnected | Marked NC on the pinout drawing; the datasheet states no function or connection for this pin. |+| 6 | Output | output | Amplifier output; short-circuit current is -25/+12 mA and the output may be shorted continuously to ground (one amplifier per package). |+| 7 | V+ | power_in | Positive supply; the specified supply range is +2.6 V to +36 V, the minimum operating voltage is +2.2 V, and the absolute maximum supply (V+ to V-) is 36 V. |+| 8 | NC | unconnected | Marked NC on the pinout drawing; the datasheet states no function or connection for this pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Amplifiers/Comparators |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `OPA244UA`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `opa244ua-etched.step` / `opa244ua-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `opa244ua.step` / `opa244ua.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/opa2244) (30 pp, sha256 `99ee28e90576d87e`, retrieved 2026-10-07, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/opa244ua-datasheet.pdf)
page.jsonadded+201@@ -0,0 +1,201 @@+{+ "slug": "opa244ua",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Operational Amplifier, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "amplifiers-comparators",+ "opa244ua",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "opa244ua.kicad_sym",+ "opa244ua.kicad_mod",+ "opa244ua.glb",+ "opa244ua.step",+ "opa244ua.lbr",+ "docs/hero.png",+ "docs/opa244ua-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "opa244ua-hero.glb",+ "opa244ua-hero.overlay.json"+ ],+ "component": {+ "mpn": "OPA244UA",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Amplifiers/Comparators",+ "subcategory": "Operational Amplifier",+ "datasheet": "https://www.ti.com/cn/lit/gpn/opa2244",+ "parts": {+ "symbol": "opa244ua.kicad_sym",+ "footprint": "opa244ua.kicad_mod",+ "model_3d": "opa244ua-hero.glb",+ "model_3d_plain": "opa244ua.glb",+ "model_3d_step": "opa244ua-etched.step",+ "model_3d_step_plain": "opa244ua.step",+ "lbr": "opa244ua.lbr"+ },+ "distributor_links": {+ "lcsc": "C353156",+ "digikey": "OPA244UA-ND",+ "mouser": "595-OPA244UA"+ },+ "distributor_check": {+ "checked_at": "2026-10-07T21:41:42Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "OPA244UA-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "595-OPA244UA",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "NC",+ "type": "unconnected",+ "description": "Marked NC on the pinout drawing; the datasheet states no function or connection for this pin."+ },+ {+ "number": "2",+ "name": "–In",+ "type": "input",+ "description": "Inverting input; the common-mode input range is 0 V to (V+) - 0.9 V, and inputs are diode-clamped to the supply rails and should be limited to 10 mA if they can exceed the rails by more than 0.3 V."+ },+ {+ "number": "3",+ "name": "+In",+ "type": "input",+ "description": "Non-inverting input; the common-mode input range is 0 V to (V+) - 0.9 V, and inputs are diode-clamped to the supply rails and should be limited to 10 mA if they can exceed the rails by more than 0.3 V."+ },+ {+ "number": "4",+ "name": "V–",+ "type": "power_in",+ "description": "Negative supply; the part runs from dual supplies of +/-1.1 V to +/-18 V or from a single supply of +2.2 V to +36 V, with the input range referenced to V-."+ },+ {+ "number": "5",+ "name": "NC",+ "type": "unconnected",+ "description": "Marked NC on the pinout drawing; the datasheet states no function or connection for this pin."+ },+ {+ "number": "6",+ "name": "Output",+ "type": "output",+ "description": "Amplifier output; short-circuit current is -25/+12 mA and the output may be shorted continuously to ground (one amplifier per package)."+ },+ {+ "number": "7",+ "name": "V+",+ "type": "power_in",+ "description": "Positive supply; the specified supply range is +2.6 V to +36 V, the minimum operating voltage is +2.2 V, and the absolute maximum supply (V+ to V-) is 36 V."+ },+ {+ "number": "8",+ "name": "NC",+ "type": "unconnected",+ "description": "Marked NC on the pinout drawing; the datasheet states no function or connection for this pin."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Page 1 text extraction does not state the pin-to-label alignment explicitly. I mapped the 8-pin labe; The limits in the descriptions come from pages 2 (electrical specifications), 5 (absolute maximum ra"+ ],+ "pages_sent": 30,+ "cost_usd": 0.1141,+ "at": "2026-10-07T21:41:22"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/opa2244",+ "pages": 30,+ "sha256": "99ee28e90576d87e",+ "source_tier": "lcsc"+ },+ "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": "opa244ua.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 4.9,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "opa244ua-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 4.9,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "65cdd4c6d7db3f40593f9c56f583b61d9f6d51f36009af27fe113227cc4b2cb2",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}