component
OPA843ID
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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 @@+# OPA843ID++**Texas Instruments** · Operational Amplifier · SOIC-8++OPA843ID 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 | No connection; the datasheet marks this pin as NC (no connection). |+| 2 | Inverting Input | input | Inverting input of the op amp; the differential input voltage is limited to ±1.2V absolute maximum. |+| 3 | Noninverting Input | input | Noninverting input of the op amp; common-mode input range is ±3.2V min at 25°C with VS = ±5V. |+| 4 | -VS | power_in | Negative power supply; specified at −5V with a minimum operating voltage of ±4V and maximum operating voltage of ±6V (absolute maximum supply ±6.5V). |+| 5 | NC | unconnected | No connection; the datasheet marks this pin as NC (no connection). |+| 6 | Output | output | Output of the amplifier; output current is ±100mA min at VO = 0V (25°C). |+| 7 | +VS | power_in | Positive power supply; specified at +5V with a minimum operating voltage of ±4V and maximum operating voltage of ±6V (absolute maximum supply ±6.5V). |+| 8 | NC | unconnected | No connection; the datasheet marks this pin as NC (no connection). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Amplifiers/Comparators |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `OPA843ID`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `opa843id-etched.step` / `opa843id-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `opa843id.step` / `opa843id.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/lit/ds/symlink/opa843.pdf) (32 pp, sha256 `8a75f28dd19e8799`, retrieved 2026-10-08, tier: manufacturer)+- **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/opa843id-datasheet.pdf)
page.jsonadded+200@@ -0,0 +1,200 @@+{+ "slug": "opa843id",+ "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",+ "opa843id",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "opa843id.kicad_sym",+ "opa843id.kicad_mod",+ "opa843id.glb",+ "opa843id.step",+ "opa843id.lbr",+ "docs/hero.png",+ "docs/opa843id-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "opa843id-hero.glb",+ "opa843id-hero.overlay.json"+ ],+ "component": {+ "mpn": "OPA843ID",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Amplifiers/Comparators",+ "subcategory": "Operational Amplifier",+ "datasheet": "https://www.ti.com/lit/ds/symlink/opa843.pdf",+ "parts": {+ "symbol": "opa843id.kicad_sym",+ "footprint": "opa843id.kicad_mod",+ "model_3d": "opa843id-hero.glb",+ "model_3d_plain": "opa843id.glb",+ "model_3d_step": "opa843id-etched.step",+ "model_3d_step_plain": "opa843id.step",+ "lbr": "opa843id.lbr"+ },+ "distributor_links": {+ "lcsc": "C206088",+ "digikey": "296-14177-5-ND",+ "mouser": "595-OPA843ID"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T03:59:24Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-14177-5-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-OPA843ID",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection; the datasheet marks this pin as NC (no connection)."+ },+ {+ "number": "2",+ "name": "Inverting Input",+ "type": "input",+ "description": "Inverting input of the op amp; the differential input voltage is limited to ±1.2V absolute maximum."+ },+ {+ "number": "3",+ "name": "Noninverting Input",+ "type": "input",+ "description": "Noninverting input of the op amp; common-mode input range is ±3.2V min at 25°C with VS = ±5V."+ },+ {+ "number": "4",+ "name": "–VS",+ "type": "power_in",+ "description": "Negative power supply; specified at −5V with a minimum operating voltage of ±4V and maximum operating voltage of ±6V (absolute maximum supply ±6.5V)."+ },+ {+ "number": "5",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection; the datasheet marks this pin as NC (no connection)."+ },+ {+ "number": "6",+ "name": "Output",+ "type": "output",+ "description": "Output of the amplifier; output current is ±100mA min at VO = 0V (25°C)."+ },+ {+ "number": "7",+ "name": "+VS",+ "type": "power_in",+ "description": "Positive power supply; specified at +5V with a minimum operating voltage of ±4V and maximum operating voltage of ±6V (absolute maximum supply ±6.5V)."+ },+ {+ "number": "8",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection; the datasheet marks this pin as NC (no connection)."+ }+ ],+ "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: The SO-8 pin-configuration figure on page 2 is scrambled in the extracted text, so the mapping of pi; Three pins are NC. The datasheet names them NC but the text does not show which numbered pin is whic; The datasheet pin figure covers the SO (D) package, which matches the OPA843ID ordering part in the "+ ],+ "pages_sent": 7,+ "cost_usd": 0.0547,+ "at": "2026-10-08T03:59:09"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/opa843.pdf",+ "pages": 32,+ "sha256": "8a75f28dd19e8799",+ "source_tier": "mfr"+ },+ "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": "opa843id.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": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "opa843id-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": "ea06e6427936e8169a0bff82f632f1cd6f43e59916a984bb904ff4e960bf4b9c",+ "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]"+ }+}