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OPA2141AIDGKR
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Texas Instruments FET Input Amplifiers, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+45@@ -0,0 +1,45 @@+# OPA2141AIDGKR++**Texas Instruments** · FET Input Amplifiers · MSOP-8++OPA2141AIDGKR from Texas Instruments, in a MSOP-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 | OUT A | output | Channel A output, rail-to-rail swing to within (V-)+0.2V and (V+)-0.2V with RL = 10kΩ, with continuous short-circuit protection (source +36mA, sink -30mA). |+| 2 | -IN A | input | Channel A inverting input, diode-clamped to the supply rails with signals beyond 0.5V outside the rails to be current limited to 10mA or less. |+| 3 | +IN A | input | Channel A non-inverting input, diode-clamped to the supply rails with input range including V- and signals beyond 0.5V outside the rails to be current limited to 10mA or less. |+| 4 | V- | power_in | Negative supply (ground in single-supply use), with specified total supply range of 4.5V to 36V (±2.25V to ±18V). |+| 5 | +IN B | input | Channel B non-inverting input, diode-clamped to the supply rails with input range including V- and signals beyond 0.5V outside the rails to be current limited to 10mA or less. |+| 6 | -IN B | input | Channel B inverting input, diode-clamped to the supply rails with signals beyond 0.5V outside the rails to be current limited to 10mA or less. |+| 7 | OUT B | output | Channel B output, rail-to-rail swing to within (V-)+0.2V and (V+)-0.2V with RL = 10kΩ, with continuous short-circuit protection (source +36mA, sink -30mA). |+| 8 | V+ | power_in | Positive supply, with specified total supply range of 4.5V to 36V (±2.25V to ±18V) and absolute maximum supply voltage of ±20V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | MSOP-8 |+| Category | Amplifiers/Comparators |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `OPA2141AIDGKR`+- Footprint: `Package_SO:MSOP-8_3x3mm_P0.65mm`+- 3D model: MSOP-8 (KiCad packages3D, STEP)+- 3D model files: `opa2141aidgkr-etched.step` / `opa2141aidgkr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `opa2141aidgkr.step` / `opa2141aidgkr.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/opa141) (36 pp, sha256 `f156772694d1e6c2`, retrieved 2026-10-07, 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-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/opa2141aidgkr-datasheet.pdf)
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"model_3d_plain": "opa2141aidgkr.glb",+ "model_3d_step": "opa2141aidgkr-etched.step",+ "model_3d_step_plain": "opa2141aidgkr.step",+ "lbr": "opa2141aidgkr.lbr"+ },+ "distributor_links": {+ "lcsc": "C544651",+ "digikey": "296-OPA2141AIDGKRTR-ND",+ "mouser": "595-OPA2141AIDGKR"+ },+ "distributor_check": {+ "checked_at": "2026-10-07T17:14:18Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-OPA2141AIDGKRTR-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-OPA2141AIDGKR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "OUT A",+ "type": "output",+ "description": "Channel A output, rail-to-rail swing to within (V-)+0.2V and (V+)-0.2V with RL = 10kΩ, with continuous short-circuit protection (source +36mA, sink -30mA)."+ },+ {+ "number": "2",+ "name": "-IN A",+ "type": "input",+ "description": "Channel A inverting input, diode-clamped to the supply rails with signals beyond 0.5V outside the rails to be current limited to 10mA or less."+ },+ {+ "number": "3",+ "name": "+IN A",+ "type": "input",+ "description": "Channel A non-inverting input, diode-clamped to the supply rails with input range including V- and signals beyond 0.5V outside the rails to be current limited to 10mA or less."+ },+ {+ "number": "4",+ "name": "V-",+ "type": "power_in",+ "description": "Negative supply (ground in single-supply use), with specified total supply range of 4.5V to 36V (±2.25V to ±18V)."+ },+ {+ "number": "5",+ "name": "+IN B",+ "type": "input",+ "description": "Channel B non-inverting input, diode-clamped to the supply rails with input range including V- and signals beyond 0.5V outside the rails to be current limited to 10mA or less."+ },+ {+ "number": "6",+ "name": "-IN B",+ "type": "input",+ "description": "Channel B inverting input, diode-clamped to the supply rails with signals beyond 0.5V outside the rails to be current limited to 10mA or less."+ },+ {+ "number": "7",+ "name": "OUT B",+ "type": "output",+ "description": "Channel B output, rail-to-rail swing to within (V-)+0.2V and (V+)-0.2V with RL = 10kΩ, with continuous short-circuit protection (source +36mA, sink -30mA)."+ },+ {+ "number": "8",+ "name": "V+",+ "type": "power_in",+ "description": "Positive supply, with specified total supply range of 4.5V to 36V (±2.25V to ±18V) and absolute maximum supply voltage of ±20V."+ }+ ],+ "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": 10,+ "cost_usd": 0.1203,+ "at": "2026-10-07T17:14:04"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/opa141",+ "pages": 36,+ "sha256": "f156772694d1e6c2",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 8,+ "described": 8,+ 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"factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}