component
OPA2237EA
Public Made by Adomby adom
Texas Instruments Precision OpAmps, VSSOP-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 @@+# OPA2237EA++**Texas Instruments** · Precision OpAmps · VSSOP-8++OPA2237EA from Texas Instruments, in a VSSOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | OUT A | output | Channel A output; voltage swing from (V-)+0.001V to (V+)-0.75V. |+| 2 | -IN A | input | Channel A inverting input; common-mode input voltage (V-)-0.2V to (V+)-1.5V. |+| 3 | +IN A | input | Channel A non-inverting input; common-mode input voltage (V-)-0.2V to (V+)-1.5V. |+| 4 | V- | power_in | Negative power supply; ground reference; (V-) with respect to this pin defines the lower voltage rail. |+| 5 | +IN B | input | Channel B non-inverting input; common-mode input voltage (V-)-0.2V to (V+)-1.5V. |+| 6 | -IN B | input | Channel B inverting input; common-mode input voltage (V-)-0.2V to (V+)-1.5V. |+| 7 | OUT B | output | Channel B output; voltage swing from (V-)+0.001V to (V+)-0.75V. |+| 8 | V+ | power_out | Positive power supply; accepts 2.7V to 36V single supply or ±1.35V to ±18V dual supply. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VSSOP-8 |+| Category | Operational Amplifier/Comparator |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `OPA2237EA`+- Footprint: `Package_SO:VSSOP-8_2.3x2mm_P0.5mm`+- 3D model: VSSOP-8 (KiCad packages3D, STEP)+- 3D model files: `opa2237ea-etched.step` / `opa2237ea-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `opa2237ea.step` / `opa2237ea.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/opa2237) (31 pp, sha256 `fd3debefc646126b`, retrieved 2026-09-18, 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 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/opa2237ea-datasheet.pdf)
page.jsonadded+141@@ -0,0 +1,141 @@+{+ "slug": "opa2237ea",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Precision OpAmps, VSSOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "operational amplifier-comparator",+ "opa2237ea",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "opa2237ea.kicad_sym",+ "opa2237ea.kicad_mod",+ "opa2237ea.glb",+ "opa2237ea.step",+ "opa2237ea.lbr",+ "docs/hero.png",+ "docs/opa2237ea-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "OPA2237EA",+ "manufacturer": "Texas Instruments",+ "package": "VSSOP-8",+ "pin_count": 8,+ "category": "Operational Amplifier/Comparator",+ "subcategory": "Precision OpAmps",+ "datasheet": "https://www.ti.com/cn/lit/gpn/opa2237",+ "parts": {+ "symbol": "opa2237ea.kicad_sym",+ "footprint": "opa2237ea.kicad_mod",+ "model_3d": "opa2237ea-etched.glb",+ "model_3d_plain": "opa2237ea.glb",+ "model_3d_step": "opa2237ea-etched.step",+ "model_3d_step_plain": "opa2237ea.step",+ "lbr": "opa2237ea.lbr"+ },+ "distributor_links": {+ "lcsc": "C50195"+ },+ "pins": [+ {+ "number": "1",+ "name": "OUT A",+ "type": "output",+ "description": "Channel A output; voltage swing from (V-)+0.001V to (V+)-0.75V."+ },+ {+ "number": "2",+ "name": "–IN A",+ "type": "input",+ "description": "Channel A inverting input; common-mode input voltage (V-)-0.2V to (V+)-1.5V."+ },+ {+ "number": "3",+ "name": "+IN A",+ "type": "input",+ "description": "Channel A non-inverting input; common-mode input voltage (V-)-0.2V to (V+)-1.5V."+ },+ {+ "number": "4",+ "name": "V–",+ "type": "power_in",+ "description": "Negative power supply; ground reference; (V-) with respect to this pin defines the lower voltage rail."+ },+ {+ "number": "5",+ "name": "+IN B",+ "type": "input",+ "description": "Channel B non-inverting input; common-mode input voltage (V-)-0.2V to (V+)-1.5V."+ },+ {+ "number": "6",+ "name": "–IN B",+ "type": "input",+ "description": "Channel B inverting input; common-mode input voltage (V-)-0.2V to (V+)-1.5V."+ },+ {+ "number": "7",+ "name": "OUT B",+ "type": "output",+ "description": "Channel B output; voltage swing from (V-)+0.001V to (V+)-0.75V."+ },+ {+ "number": "8",+ "name": "V+",+ "type": "power_out",+ "description": "Positive power supply; accepts 2.7V to 36V single supply or ±1.35V to ±18V dual supply."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 31,+ "cost_usd": 0.2521,+ "at": "2026-09-18T03:53:05"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/opa2237",+ "pages": 31,+ "sha256": "fd3debefc646126b",+ "source_tier": "lcsc"+ },+ "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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}