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OPA4137U
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Texas Instruments FET Input Amplifiers, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+51@@ -0,0 +1,51 @@+# OPA4137U++**Texas Instruments** · FET Input Amplifiers · SOIC-14++OPA4137U 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, which can swing to (V-)+1.2V and (V+)-1.1V with a 10kΩ load at VS = ±15V. |+| 2 | -In A | input | Inverting input of amplifier A; input current should be limited to 2mA when the input exceeds the supply rails. |+| 3 | +In A | input | Non-inverting input of amplifier A; common-mode range runs from (V-)+3V to (V+). |+| 4 | V+ | power_in | Positive supply, 4.5V to 36V single-supply (±2.25V to ±18V dual), bypassed with a 10nF or larger ceramic capacitor. |+| 5 | +In B | input | Non-inverting input of amplifier B; common-mode range runs from (V-)+3V to (V+). |+| 6 | -In B | input | Inverting input of amplifier B; input current should be limited to 2mA when the input exceeds the supply rails. |+| 7 | Out B | output | Output of amplifier B, which can swing to (V-)+1.2V and (V+)-1.1V with a 10kΩ load at VS = ±15V. |+| 8 | Out C | output | Output of amplifier C, which can swing to (V-)+1.2V and (V+)-1.1V with a 10kΩ load at VS = ±15V. |+| 9 | -In C | input | Inverting input of amplifier C; input current should be limited to 2mA when the input exceeds the supply rails. |+| 10 | +In C | input | Non-inverting input of amplifier C; common-mode range runs from (V-)+3V to (V+). |+| 11 | V- | power_in | Negative supply or ground in single-supply use; total supply (V+ to V-) is 4.5V to 36V (±2.25V to ±18V). |+| 12 | +In D | input | Non-inverting input of amplifier D; common-mode range runs from (V-)+3V to (V+). |+| 13 | -In D | input | Inverting input of amplifier D; input current should be limited to 2mA when the input exceeds the supply rails. |+| 14 | Out D | output | Output of amplifier D, which can swing to (V-)+1.2V and (V+)-1.1V with a 10kΩ load at VS = ±15V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-14 |+| Category | Amplifiers/Comparators |+| Pins | 14 |++## CAD (KiCad official)++- Symbol: `OPA4137U`+- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`+- 3D model: SOIC-14 (KiCad packages3D, STEP)+- 3D model files: `opa4137u-etched.step` / `opa4137u-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `opa4137u.step` / `opa4137u.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/opa4137) (23 pp, sha256 `8b2fe6bd5f1aedcd`, retrieved 2026-10-06, 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/opa4137u-datasheet.pdf)
page.jsonadded+196@@ -0,0 +1,196 @@+{+ "slug": "opa4137u",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments FET Input Amplifiers, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "amplifiers-comparators",+ "opa4137u",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "opa4137u.kicad_sym",+ "opa4137u.kicad_mod",+ "opa4137u.glb",+ "opa4137u.step",+ "opa4137u.lbr",+ "docs/hero.png",+ "docs/opa4137u-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "opa4137u-hero.glb",+ "opa4137u-hero.overlay.json"+ ],+ "component": {+ "mpn": "OPA4137U",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-14",+ "pin_count": 14,+ "category": "Amplifiers/Comparators",+ "subcategory": "FET Input Amplifiers",+ "datasheet": "https://www.ti.com/cn/lit/gpn/opa4137",+ "parts": {+ "symbol": "opa4137u.kicad_sym",+ "footprint": "opa4137u.kicad_mod",+ "model_3d": "opa4137u-hero.glb",+ "model_3d_plain": "opa4137u.glb",+ "model_3d_step": "opa4137u-etched.step",+ "model_3d_step_plain": "opa4137u.step",+ "lbr": "opa4137u.lbr"+ },+ "distributor_links": {+ "lcsc": 2878577,+ "mouser": "595-OPA4137U"+ },+ "distributor_check": {+ "checked_at": "2026-10-06T00:02:43Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": null,+ "status": "no match"+ },+ "mouser": {+ "pn": "595-OPA4137U",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "Out A",+ "type": "output",+ "description": "Output of amplifier A, which can swing to (V-)+1.2V and (V+)-1.1V with a 10kΩ load at VS = ±15V."+ },+ {+ "number": "2",+ "name": "–In A",+ "type": "input",+ "description": "Inverting input of amplifier A; input current should be limited to 2mA when the input exceeds the supply rails."+ },+ {+ "number": "3",+ "name": "+In A",+ "type": "input",+ "description": "Non-inverting input of amplifier A; common-mode range runs from (V-)+3V to (V+)."+ },+ {+ "number": "4",+ "name": "V+",+ "type": "power_in",+ "description": "Positive supply, 4.5V to 36V single-supply (±2.25V to ±18V dual), bypassed with a 10nF or larger ceramic capacitor."+ },+ {+ "number": "5",+ "name": "+In B",+ "type": "input",+ "description": "Non-inverting input of amplifier B; common-mode range runs from (V-)+3V to (V+)."+ },+ {+ "number": "6",+ "name": "–In B",+ "type": "input",+ "description": "Inverting input of amplifier B; input current should be limited to 2mA when the input exceeds the supply rails."+ },+ {+ "number": "7",+ "name": "Out B",+ "type": "output",+ "description": "Output of amplifier B, which can swing to (V-)+1.2V and (V+)-1.1V with a 10kΩ load at VS = ±15V."+ },+ {+ "number": "8",+ "name": "Out C",+ "type": "output",+ "description": "Output of amplifier C, which can swing to (V-)+1.2V and (V+)-1.1V with a 10kΩ load at VS = ±15V."+ },+ {+ "number": "9",+ "name": "–In C",+ "type": "input",+ "description": "Inverting input of amplifier C; input current should be limited to 2mA when the input exceeds the supply rails."+ },+ {+ "number": "10",+ "name": "+In C",+ "type": "input",+ "description": "Non-inverting input of amplifier C; common-mode range runs from (V-)+3V to (V+)."+ },+ {+ "number": "11",+ "name": "V–",+ "type": "power_in",+ "description": "Negative supply or ground in single-supply use; total supply (V+ to V-) is 4.5V to 36V (±2.25V to ±18V)."+ },+ {+ "number": "12",+ "name": "+In D",+ "type": "input",+ "description": "Non-inverting input of amplifier D; common-mode range runs from (V-)+3V to (V+)."+ },+ {+ "number": "13",+ "name": "–In D",+ "type": "input",+ "description": "Inverting input of amplifier D; input current should be limited to 2mA when the input exceeds the supply rails."+ },+ {+ "number": "14",+ "name": "Out D",+ "type": "output",+ "description": "Output of amplifier D, which can swing to (V-)+1.2V and (V+)-1.1V with a 10kΩ load at VS = ±15V."+ }+ ],+ "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: OPA4137U (SOIC-14, D) is listed as Obsolete in the package addendum. The active orderables are OPA41",+ "vision extraction: provenance cannot be text-verified; needs consensus"+ ],+ "pages_sent": 23,+ "cost_usd": 0.5525,+ "at": "2026-10-06T00:02:28"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/opa4137",+ "pages": 23,+ "sha256": "8b2fe6bd5f1aedcd",+ "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]"+ }+}