component
INA2143U
Public Made by Adomby adom
Texas Instruments Differential Amplifiers, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.mdadded+50@@ -0,0 +1,50 @@+# INA2143U++**Texas Instruments** · Differential Amplifiers · SOIC-14++INA2143U 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 | NC | unconnected | No connection |+| 2 | -In A | input | Inverting input of differential amplifier A |+| 3 | +In A | input | Non-inverting input of differential amplifier A |+| 4 | V- | power_in | Negative power supply (±2.25V to ±18V dual supply, or ground for single supply) |+| 5 | +In B | input | Non-inverting input of differential amplifier B |+| 6 | -In B | input | Inverting input of differential amplifier B |+| 7 | NC | unconnected | No connection |+| 8 | Ref B | input | Reference input for channel B offset adjustment; source impedance < 10Ω recommended |+| 9 | Out B | output | Output of differential amplifier B with 5V/µs slew rate |+| 10 | Sense B | passive | Sense input for feedback network of channel B at junction of internal 10kΩ and 100kΩ resistors |+| 11 | V+ | power_in | Positive power supply (±2.25V to ±18V dual or +4.5V to +36V single supply) |+| 12 | Sense A | passive | Sense input for feedback network of channel A at junction of internal 10kΩ and 100kΩ resistors |+| 13 | Out A | output | Output of differential amplifier A with 5V/µs slew rate |+| 14 | Ref A | input | Reference input for channel A offset adjustment; source impedance < 10Ω recommended |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-14 |+| Category | Amplifiers/Comparators |+| Pins | 14 |++## CAD (KiCad official)++- Symbol: `INA2143U`+- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`+- 3D model: SOIC-14 (KiCad packages3D, STEP)+- 3D model files: `ina2143u-etched.step` / `ina2143u-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ina2143u.step` / `ina2143u.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/ina143) (22 pp, sha256 `8976aa5a4a2130c8`, retrieved 2026-10-01, 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/ina2143u-datasheet.pdf)
page.jsonadded+191@@ -0,0 +1,191 @@+{+ "slug": "ina2143u",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Differential Amplifiers, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "amplifiers-comparators",+ "ina2143u",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ina2143u.kicad_sym",+ "ina2143u.kicad_mod",+ "ina2143u.glb",+ "ina2143u.step",+ "ina2143u.lbr",+ "docs/hero.png",+ "docs/ina2143u-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "INA2143U",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-14",+ "pin_count": 14,+ "category": "Amplifiers/Comparators",+ "subcategory": "Differential Amplifiers",+ "datasheet": "https://www.ti.com/cn/lit/gpn/ina143",+ "parts": {+ "symbol": "ina2143u.kicad_sym",+ "footprint": "ina2143u.kicad_mod",+ "model_3d": "ina2143u-etched.glb",+ "model_3d_plain": "ina2143u.glb",+ "model_3d_step": "ina2143u-etched.step",+ "model_3d_step_plain": "ina2143u.step",+ "lbr": "ina2143u.lbr"+ },+ "distributor_links": {+ "lcsc": "C1346558",+ "digikey": "INA2143U-ND",+ "mouser": "595-INA2143U"+ },+ "distributor_check": {+ "checked_at": "2026-10-01T08:21:27Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "INA2143U-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "595-INA2143U",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection"+ },+ {+ "number": "2",+ "name": "–In A",+ "type": "input",+ "description": "Inverting input of differential amplifier A"+ },+ {+ "number": "3",+ "name": "+In A",+ "type": "input",+ "description": "Non-inverting input of differential amplifier A"+ },+ {+ "number": "4",+ "name": "V–",+ "type": "power_in",+ "description": "Negative power supply (±2.25V to ±18V dual supply, or ground for single supply)"+ },+ {+ "number": "5",+ "name": "+In B",+ "type": "input",+ "description": "Non-inverting input of differential amplifier B"+ },+ {+ "number": "6",+ "name": "–In B",+ "type": "input",+ "description": "Inverting input of differential amplifier B"+ },+ {+ "number": "7",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection"+ },+ {+ "number": "8",+ "name": "Ref B",+ "type": "input",+ "description": "Reference input for channel B offset adjustment; source impedance < 10Ω recommended"+ },+ {+ "number": "9",+ "name": "Out B",+ "type": "output",+ "description": "Output of differential amplifier B with 5V/µs slew rate"+ },+ {+ "number": "10",+ "name": "Sense B",+ "type": "passive",+ "description": "Sense input for feedback network of channel B at junction of internal 10kΩ and 100kΩ resistors"+ },+ {+ "number": "11",+ "name": "V+",+ "type": "power_in",+ "description": "Positive power supply (±2.25V to ±18V dual or +4.5V to +36V single supply)"+ },+ {+ "number": "12",+ "name": "Sense A",+ "type": "passive",+ "description": "Sense input for feedback network of channel A at junction of internal 10kΩ and 100kΩ resistors"+ },+ {+ "number": "13",+ "name": "Out A",+ "type": "output",+ "description": "Output of differential amplifier A with 5V/µs slew rate"+ },+ {+ "number": "14",+ "name": "Ref A",+ "type": "input",+ "description": "Reference input for channel A offset adjustment; source impedance < 10Ω recommended"+ }+ ],+ "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": 22,+ "cost_usd": 0.1627,+ "at": "2026-10-01T08:21:13"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/ina143",+ "pages": 22,+ "sha256": "8976aa5a4a2130c8",+ "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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}