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Initial commit: component/lmv844max

Ray ·e9a374fe86 ·1d ago
2 files changed +285
README.mdadded+51
@@ -0,0 +1,51 @@+# LMV844MAX++**Texas Instruments** · Precision Op Amps · SOIC-14++LMV844MAX from Texas Instruments, in a SOIC-14. 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 | OUT A | output | Output of amplifier A. |+| 2 | IN A- | input | Inverting input of amplifier A; differential input voltage limited to ±300mV or input current to ±10mA. |+| 3 | IN A+ | input | Non-inverting input of amplifier A; differential input voltage limited to ±300mV or input current to ±10mA. |+| 4 | V+ | power_in | Positive supply, 2.7V to 12V total supply range (13.2V absolute max), bypassed with a low-ESR capacitor close to the pin. |+| 5 | IN B+ | input | Non-inverting input of amplifier B; differential input voltage limited to ±300mV or input current to ±10mA. |+| 6 | IN B- | input | Inverting input of amplifier B; differential input voltage limited to ±300mV or input current to ±10mA. |+| 7 | OUT B | output | Output of amplifier B. |+| 8 | OUT C | output | Output of amplifier C. |+| 9 | IN C- | input | Inverting input of amplifier C; differential input voltage limited to ±300mV or input current to ±10mA. |+| 10 | IN C+ | input | Non-inverting input of amplifier C; differential input voltage limited to ±300mV or input current to ±10mA. |+| 11 | V- | power_in | Negative supply, connected to ground in single-supply operation. |+| 12 | IN D+ | input | Non-inverting input of amplifier D; differential input voltage limited to ±300mV or input current to ±10mA. |+| 13 | IN D- | input | Inverting input of amplifier D; differential input voltage limited to ±300mV or input current to ±10mA. |+| 14 | OUT D | output | Output of amplifier D. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-14 |+| Category | Amplifiers/Comparators |+| Pins | 14 |++## CAD (KiCad official)++- Symbol: `LMV844MAX`+- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`+- 3D model: SOIC-14 (KiCad packages3D, STEP)+- 3D model files: `lmv844max-etched.step` / `lmv844max-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lmv844max.step` / `lmv844max.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/lmv842) (46 pp, sha256 `e7b2202e2372f27a`, retrieved 2026-10-08, 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-sonnet-5-5` (text+vision), consensus `claude-opus-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/lmv844max-datasheet.pdf)
page.jsonadded+234
@@ -0,0 +1,234 @@+{+  "slug": "lmv844max",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments Precision Op Amps, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "amplifiers-comparators",+    "lmv844max",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lmv844max.kicad_sym",+    "lmv844max.kicad_mod",+    "lmv844max.glb",+    "lmv844max.step",+    "lmv844max.lbr",+    "docs/hero.png",+    "docs/lmv844max-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "lmv844max-hero.glb",+    "lmv844max-hero.overlay.json"+  ],+  "component": {+    "mpn": "LMV844MAX",+    "manufacturer": "Texas Instruments",+    "package": "SOIC-14",+    "pin_count": 14,+    "category": "Amplifiers/Comparators",+    "subcategory": "Precision Op Amps",+    "datasheet": "https://www.ti.com/cn/lit/gpn/lmv842",+    "parts": {+      "symbol": "lmv844max.kicad_sym",+      "footprint": "lmv844max.kicad_mod",+      "model_3d": "lmv844max-hero.glb",+      "model_3d_plain": "lmv844max.glb",+      "model_3d_step": "lmv844max-etched.step",+      "model_3d_step_plain": "lmv844max.step",+      "lbr": "lmv844max.lbr"+    },+    "distributor_links": {+      "lcsc": "C2058549"+    },+    "distributor_check": {+      "checked_at": "2026-10-08T20:50:57Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": null,+        "status": "no match"+      },+      "mouser": {+        "pn": null,+        "status": "no match"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "OUT A",+        "type": "output",+        "description": "Output of amplifier A."+      },+      {+        "number": "2",+        "name": "IN A-",+        "type": "input",+        "description": "Inverting input of amplifier A; differential input voltage limited to ±300mV or input current to ±10mA."+      },+      {+        "number": "3",+        "name": "IN A+",+        "type": "input",+        "description": "Non-inverting input of amplifier A; differential input voltage limited to ±300mV or input current to ±10mA."+      },+      {+        "number": "4",+        "name": "V+",+        "type": "power_in",+        "description": "Positive supply, 2.7V to 12V total supply range (13.2V absolute max), bypassed with a low-ESR capacitor close to the pin."+      },+      {+        "number": "5",+        "name": "IN B+",+        "type": "input",+        "description": "Non-inverting input of amplifier B; differential input voltage limited to ±300mV or input current to ±10mA."+      },+      {+        "number": "6",+        "name": "IN B-",+        "type": "input",+        "description": "Inverting input of amplifier B; differential input voltage limited to ±300mV or input current to ±10mA."+      },+      {+        "number": "7",+        "name": "OUT B",+        "type": "output",+        "description": "Output of amplifier B."+      },+      {+        "number": "8",+        "name": "OUT C",+        "type": "output",+        "description": "Output of amplifier C."+      },+      {+        "number": "9",+        "name": "IN C-",+        "type": "input",+        "description": "Inverting input of amplifier C; differential input voltage limited to ±300mV or input current to ±10mA."+      },+      {+        "number": "10",+        "name": "IN C+",+        "type": "input",+        "description": "Non-inverting input of amplifier C; differential input voltage limited to ±300mV or input current to ±10mA."+      },+      {+        "number": "11",+        "name": "V-",+        "type": "power_in",+        "description": "Negative supply, connected to ground in single-supply operation."+      },+      {+        "number": "12",+        "name": "IN D+",+        "type": "input",+        "description": "Non-inverting input of amplifier D; differential input voltage limited to ±300mV or input current to ±10mA."+      },+      {+        "number": "13",+        "name": "IN D-",+        "type": "input",+        "description": "Inverting input of amplifier D; differential input voltage limited to ±300mV or input current to ±10mA."+      },+      {+        "number": "14",+        "name": "OUT D",+        "type": "output",+        "description": "Output of amplifier D."+      }+    ],+    "provenance": {+      "extractor": "extract_pins 0.3",+      "factory_chain": {+        "factory": "2.0.0",+        "extractor": "extract_pins 0.3",+        "primary_model": "claude-sonnet-5-5",+        "primary_mode": "text+vision",+        "consensus_model": "claude-opus-5-5",+        "consensus": "agreed",+        "guards": "pin_guards 0.1: passed",+        "guard_notes": [+          "extractor flagged: The pin-function table only lists generic names (+IN, -IN, OUT, V+, V-). The pin-to-number assignmen; The LMV844MAX/NOPB orderable is SOIC (D) 14-pin, package drawing D0014A (page 26 and page 31). The p",+          "vision extraction: provenance cannot be text-verified; needs consensus"+        ],+        "pages_sent": 46,+        "cost_usd": 1.0291,+        "at": "2026-10-08T20:50:28"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lmv842",+        "pages": 46,+        "sha256": "e7b2202e2372f27a",+        "source_tier": "lcsc"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 14,+        "described": 14,+        "cites_pages": true,+        "refuses_to_fabricate": true+      }+    },+    "viewers": {+      "symbol": "viewers/symbol.html",+      "footprint": "viewers/footprint.html"+    },+    "models_3d": [+      {+        "file": "lmv844max.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          6,+          8.7,+          1.75+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",+        "checked": "2026-10-08",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "lmv844max-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          6,+          8.7,+          1.75+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "9bc5dbbaf583d565df4cc878645dcd026d895a24e96021a13620f78a0ae357a6",+        "checked": "2026-10-08",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      }+    ]+  },+  "visibility": "public",+  "org": "adom",+  "author": {+    "name": "Ray",+    "email": "[email protected]"+  }+}\ No newline at end of file