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INA331AIDGKR
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Texas Instruments Instrumentation Amplifiers, VSSOP-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 @@+# INA331AIDGKR++**Texas Instruments** · Instrumentation Amplifiers · VSSOP-8++INA331AIDGKR from Texas Instruments, in a VSSOP-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 | External gain-setting resistor network connection where gain = 5 + 5(R2/R1). |+| 2 | VIN- | power_in | Negative differential input terminal protected against ±0.5V overshooting if current limited to 10mA. |+| 3 | VIN+ | power_in | Positive differential input terminal protected against ±0.5V overshooting if current limited to 10mA. |+| 4 | V- | power_in | Negative power supply rail and ground reference with maximum supply voltage 7.5V (V+ to V-). |+| 5 | REF | input | Reference voltage terminal setting output zero level; requires low-impedance source <160Ω and minimum 1.2V below V+. |+| 6 | VOUT | output | Rail-to-rail output voltage swinging within 25mV of supply rail for gains ≥10 with loads ≥10kΩ. |+| 7 | V+ | power_in | Positive power supply terminal for +2.7V to +5.5V operating range with 0.1µF bypass capacitor recommended. |+| 8 | Shutdown | input | Active-low shutdown control input pulling below 0.8V to enable low-power mode with quiescent current <1µA. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VSSOP-8 |+| Category | Amplifiers/Comparators |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `INA331AIDGKR`+- Footprint: `Package_SO:VSSOP-8_2.3x2mm_P0.5mm`+- 3D model: VSSOP-8 (KiCad packages3D, STEP)+- 3D model files: `ina331aidgkr-etched.step` / `ina331aidgkr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ina331aidgkr.step` / `ina331aidgkr.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/ina331) (24 pp, sha256 `b563b3023a3cb8c8`, retrieved 2026-10-06, tier: lcsc)+- **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/ina331aidgkr-datasheet.pdf)
page.jsonadded+157@@ -0,0 +1,157 @@+{+ "slug": "ina331aidgkr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Instrumentation Amplifiers, VSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "amplifiers-comparators",+ "ina331aidgkr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ina331aidgkr.kicad_sym",+ "ina331aidgkr.kicad_mod",+ "ina331aidgkr.glb",+ "ina331aidgkr.step",+ "ina331aidgkr.lbr",+ "docs/hero.png",+ "docs/ina331aidgkr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "ina331aidgkr-hero.glb",+ "ina331aidgkr-hero.overlay.json"+ ],+ "component": {+ "mpn": "INA331AIDGKR",+ "manufacturer": "Texas Instruments",+ "package": "VSSOP-8",+ "pin_count": 8,+ "category": "Amplifiers/Comparators",+ "subcategory": "Instrumentation Amplifiers",+ "datasheet": "https://www.ti.com/cn/lit/gpn/ina331",+ "parts": {+ "symbol": "ina331aidgkr.kicad_sym",+ "footprint": "ina331aidgkr.kicad_mod",+ "model_3d": "ina331aidgkr-hero.glb",+ "model_3d_plain": "ina331aidgkr.glb",+ "model_3d_step": "ina331aidgkr-etched.step",+ "model_3d_step_plain": "ina331aidgkr.step",+ "lbr": "ina331aidgkr.lbr"+ },+ "distributor_links": {+ "lcsc": 2058673,+ "digikey": "296-46100-2-ND",+ "mouser": "595-INA331AIDGKR"+ },+ "distributor_check": {+ "checked_at": "2026-10-06T16:49:20Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-46100-2-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "595-INA331AIDGKR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "RG",+ "type": "passive",+ "description": "External gain-setting resistor network connection where gain = 5 + 5(R2/R1)."+ },+ {+ "number": "2",+ "name": "VIN–",+ "type": "power_in",+ "description": "Negative differential input terminal protected against ±0.5V overshooting if current limited to 10mA."+ },+ {+ "number": "3",+ "name": "VIN+",+ "type": "power_in",+ "description": "Positive differential input terminal protected against ±0.5V overshooting if current limited to 10mA."+ },+ {+ "number": "4",+ "name": "V–",+ "type": "power_in",+ "description": "Negative power supply rail and ground reference with maximum supply voltage 7.5V (V+ to V-)."+ },+ {+ "number": "5",+ "name": "REF",+ "type": "input",+ "description": "Reference voltage terminal setting output zero level; requires low-impedance source <160Ω and minimum 1.2V below V+."+ },+ {+ "number": "6",+ "name": "VOUT",+ "type": "output",+ "description": "Rail-to-rail output voltage swinging within 25mV of supply rail for gains ≥10 with loads ≥10kΩ."+ },+ {+ "number": "7",+ "name": "V+",+ "type": "power_in",+ "description": "Positive power supply terminal for +2.7V to +5.5V operating range with 0.1µF bypass capacitor recommended."+ },+ {+ "number": "8",+ "name": "Shutdown",+ "type": "input",+ "description": "Active-low shutdown control input pulling below 0.8V to enable low-power mode with quiescent current <1µA."+ }+ ],+ "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": [],+ "pages_sent": 24,+ "cost_usd": 0.181,+ "at": "2026-10-06T16:49:04"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/ina331",+ "pages": 24,+ "sha256": "b563b3023a3cb8c8",+ "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]"+ }+}