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INA129U
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Texas Instruments Instrumentation OpAmps, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+45@@ -0,0 +1,45 @@+# INA129U++**Texas Instruments** · Instrumentation OpAmps · SOIC-8++INA129U 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 | RG | passive | Gain setting pin; connect external resistor between pins 1 and 8 for gain greater than 1. |+| 2 | VIN- | power_in | Negative input; ±40V overvoltage protected. |+| 3 | VIN+ | power_in | Positive input; ±40V overvoltage protected. |+| 4 | V- | power_in | Negative power supply; ±2.25V to ±18V dual supply range. |+| 5 | REF | input | Reference input; must be driven by low impedance source or grounded. |+| 6 | VO | output | Output; VO = G × (VIN+ - VIN-) + VREF. |+| 7 | V+ | power_in | Positive power supply; ±2.25V to ±18V dual supply range. |+| 8 | RG | passive | Gain setting pin; connect external resistor between pins 1 and 8 for gain greater than 1. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Operational Amplifier/Comparator |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `INA129U`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `ina129u-etched.step` / `ina129u-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ina129u.step` / `ina129u.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/ina129) (42 pp, sha256 `190884220b677d89`, retrieved 2026-10-06, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (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/ina129u-datasheet.pdf)
page.jsonadded+159@@ -0,0 +1,159 @@+{+ "slug": "ina129u",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Instrumentation OpAmps, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "operational amplifier-comparator",+ "ina129u",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ina129u.kicad_sym",+ "ina129u.kicad_mod",+ "ina129u.glb",+ "ina129u.step",+ "ina129u.lbr",+ "docs/hero.png",+ "docs/ina129u-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "ina129u-hero.glb",+ "ina129u-hero.overlay.json"+ ],+ "component": {+ "mpn": "INA129U",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Operational Amplifier/Comparator",+ "subcategory": "Instrumentation OpAmps",+ "datasheet": "https://www.ti.com/cn/lit/gpn/ina129",+ "parts": {+ "symbol": "ina129u.kicad_sym",+ "footprint": "ina129u.kicad_mod",+ "model_3d": "ina129u-hero.glb",+ "model_3d_plain": "ina129u.glb",+ "model_3d_step": "ina129u-etched.step",+ "model_3d_step_plain": "ina129u.step",+ "lbr": "ina129u.lbr"+ },+ "distributor_links": {+ "lcsc": 179741,+ "digikey": "INA129U-ND",+ "mouser": "595-INA129U"+ },+ "distributor_check": {+ "checked_at": "2026-10-06T02:54:15Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "INA129U-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "595-INA129U",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "RG",+ "type": "passive",+ "description": "Gain setting pin; connect external resistor between pins 1 and 8 for gain greater than 1."+ },+ {+ "number": "2",+ "name": "VIN–",+ "type": "power_in",+ "description": "Negative input; ±40V overvoltage protected."+ },+ {+ "number": "3",+ "name": "VIN+",+ "type": "power_in",+ "description": "Positive input; ±40V overvoltage protected."+ },+ {+ "number": "4",+ "name": "V–",+ "type": "power_in",+ "description": "Negative power supply; ±2.25V to ±18V dual supply range."+ },+ {+ "number": "5",+ "name": "REF",+ "type": "input",+ "description": "Reference input; must be driven by low impedance source or grounded."+ },+ {+ "number": "6",+ "name": "VO",+ "type": "output",+ "description": "Output; VO = G × (VIN+ - VIN-) + VREF."+ },+ {+ "number": "7",+ "name": "V+",+ "type": "power_in",+ "description": "Positive power supply; ±2.25V to ±18V dual supply range."+ },+ {+ "number": "8",+ "name": "RG",+ "type": "passive",+ "description": "Gain setting pin; connect external resistor between pins 1 and 8 for gain greater than 1."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Pin type for RG (pins 1 and 8) is not explicitly specified in the datasheet pin function table (mark"+ ],+ "pages_sent": 21,+ "cost_usd": 0.1839,+ "at": "2026-10-06T02:54:02"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/ina129",+ "pages": 42,+ "sha256": "190884220b677d89",+ "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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}