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OPA4344UA
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Texas Instruments Operational Amplifier, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+50@@ -0,0 +1,50 @@+# OPA4344UA++**Texas Instruments** · Operational Amplifier · SOIC-14++OPA4344UA 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 | Amplifier A rail-to-rail output (within 1mV of the rails at 100kΩ load), with short-circuit current of ±15mA. |+| 2 | -In A | input | Amplifier A inverting input, with common-mode range of -0.3V to (V+)+0.3V and diode-clamped to the supply rails (limit current to 10mA). |+| 3 | +In A | input | Amplifier A non-inverting input, with common-mode range of -0.3V to (V+)+0.3V and diode-clamped to the supply rails (limit current to 10mA). |+| 4 | +V | power_in | Positive supply (V+), operating range 2.5V to 5.5V single supply, 7.5V absolute maximum between V+ and V-. |+| 5 | +In B | input | Amplifier B non-inverting input, with common-mode range of -0.3V to (V+)+0.3V and diode-clamped to the supply rails (limit current to 10mA). |+| 6 | -In B | input | Amplifier B inverting input, with common-mode range of -0.3V to (V+)+0.3V and diode-clamped to the supply rails (limit current to 10mA). |+| 7 | Out B | output | Amplifier B rail-to-rail output (within 1mV of the rails at 100kΩ load), with short-circuit current of ±15mA. |+| 8 | Out C | output | Amplifier C rail-to-rail output (within 1mV of the rails at 100kΩ load), with short-circuit current of ±15mA. |+| 9 | -In C | input | Amplifier C inverting input, with common-mode range of -0.3V to (V+)+0.3V and diode-clamped to the supply rails (limit current to 10mA). |+| 10 | +In C | input | Amplifier C non-inverting input, with common-mode range of -0.3V to (V+)+0.3V and diode-clamped to the supply rails (limit current to 10mA). |+| 11 | -V | power_in | Negative supply (V-) or ground in single-supply operation; the input and output ranges are referenced to this rail. |+| 12 | +In D | input | Amplifier D non-inverting input, with common-mode range of -0.3V to (V+)+0.3V and diode-clamped to the supply rails (limit current to 10mA). |+| 13 | -In D | input | Amplifier D inverting input, with common-mode range of -0.3V to (V+)+0.3V and diode-clamped to the supply rails (limit current to 10mA). |+| 14 | Out D | output | Amplifier D rail-to-rail output (within 1mV of the rails at 100kΩ load), with short-circuit current of ±15mA. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-14 |+| Category | Amplifiers/Comparators |+| Pins | 14 |++## CAD (KiCad official)++- Symbol: `OPA4344UA`+- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`+- 3D model: SOIC-14 (KiCad packages3D, STEP)+- 3D model files: `opa4344ua-etched.step` / `opa4344ua-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `opa4344ua.step` / `opa4344ua.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/opa4344) (35 pp, sha256 `91df469ae7c9a621`, retrieved 2026-10-08, tier: lcsc)+- **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/opa4344ua-datasheet.pdf)
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The SO-14 pinout is assumed i; The electrical limits in the pin descriptions (common-mode range, 10 mA input current, 1 mV output s"+ ],+ "pages_sent": 10,+ "cost_usd": 0.0909,+ "at": "2026-10-08T15:17:13"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/opa4344",+ "pages": 35,+ "sha256": "91df469ae7c9a621",+ "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": "opa4344ua.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": "opa4344ua-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": "783a102afaa142c4f28bc059f27159d1ed46358e5e5745b4afff10305c5537f1",+ "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]"+ }+}