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COSINA333MRA
Public Made by Adomby adom
COSINE Instrumentation Amplifiers, MSOP-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 @@+# COSINA333MRA++**COSINE** · Instrumentation Amplifiers · MSOP-8++COSINA333MRA from COSINE, in a MSOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | RG | passive | Gain setting pin; for gains greater than 1, place a gain resistor between pins 1 and 8. |+| 2 | VIN- | power_in | Negative input. |+| 3 | VIN+ | power_in | Positive input. |+| 4 | -VS | power_in | Negative supply. |+| 5 | REF | input | Reference input; must be driven by low impedance or connected to ground. |+| 6 | VOUT | output | Output. |+| 7 | +VS | power_in | Positive supply. |+| 8 | RG | passive | Gain setting pin; for gains greater than 1, place a gain resistor between pins 1 and 8. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | COSINE |+| Package | MSOP-8 |+| Category | Amplifiers/Comparators |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `COSINA333MRA`+- Footprint: `Package_SO:MSOP-8_3x3mm_P0.65mm`+- 3D model: MSOP-8 (KiCad packages3D, STEP)+- 3D model files: `cosina333mra-etched.step` / `cosina333mra-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cosina333mra.step` / `cosina333mra.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [COSINE datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590909070524030976) (7 pp, sha256 `f240a1778d0e13a8`, retrieved 2026-09-22, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/cosina333mra-datasheet.pdf)
page.jsonadded+141@@ -0,0 +1,141 @@+{+ "slug": "cosina333mra",+ "version": "0.1.0",+ "type": "component",+ "description": "COSINE Instrumentation Amplifiers, MSOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "amplifiers-comparators",+ "cosina333mra",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "cosina333mra.kicad_sym",+ "cosina333mra.kicad_mod",+ "cosina333mra.glb",+ "cosina333mra.step",+ "cosina333mra.lbr",+ "docs/hero.png",+ "docs/cosina333mra-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "COSINA333MRA",+ "manufacturer": "COSINE",+ "package": "MSOP-8",+ "pin_count": 8,+ "category": "Amplifiers/Comparators",+ "subcategory": "Instrumentation Amplifiers",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590909070524030976",+ "parts": {+ "symbol": "cosina333mra.kicad_sym",+ "footprint": "cosina333mra.kicad_mod",+ "model_3d": "cosina333mra-etched.glb",+ "model_3d_plain": "cosina333mra.glb",+ "model_3d_step": "cosina333mra-etched.step",+ "model_3d_step_plain": "cosina333mra.step",+ "lbr": "cosina333mra.lbr"+ },+ "distributor_links": {+ "lcsc": "C17702538"+ },+ "pins": [+ {+ "number": "1",+ "name": "RG",+ "type": "passive",+ "description": "Gain setting pin; for gains greater than 1, place a gain resistor between pins 1 and 8."+ },+ {+ "number": "2",+ "name": "VIN-",+ "type": "power_in",+ "description": "Negative input."+ },+ {+ "number": "3",+ "name": "VIN+",+ "type": "power_in",+ "description": "Positive input."+ },+ {+ "number": "4",+ "name": "-VS",+ "type": "power_in",+ "description": "Negative supply."+ },+ {+ "number": "5",+ "name": "REF",+ "type": "input",+ "description": "Reference input; must be driven by low impedance or connected to ground."+ },+ {+ "number": "6",+ "name": "VOUT",+ "type": "output",+ "description": "Output."+ },+ {+ "number": "7",+ "name": "+VS",+ "type": "power_in",+ "description": "Positive supply."+ },+ {+ "number": "8",+ "name": "RG",+ "type": "passive",+ "description": "Gain setting pin; for gains greater than 1, place a gain resistor between pins 1 and 8."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 7,+ "cost_usd": 0.0876,+ "at": "2026-09-22T14:31:30"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590909070524030976",+ "pages": 7,+ "sha256": "f240a1778d0e13a8",+ "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]"+ }+}