component
LM386N-3
Public Made by Adomby adom
Texas Instruments Audio Amplifiers, PDIP-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 @@+# LM386N-3++**Texas Instruments** · Audio Amplifiers · PDIP-8++LM386N-3 from Texas Instruments, in a PDIP-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 | GAIN | passive | Gain setting pin connected with external resistor and capacitor between pins 1 and 8 to configure gain from 20 to 200. |+| 2 | -INPUT | input | Inverting input receiving analog signal with voltage range -0.4 V to +0.4 V with respect to ground. |+| 3 | +INPUT | input | Noninverting input receiving analog signal with voltage range -0.4 V to +0.4 V with respect to ground. |+| 4 | GND | power_in | Ground reference for input bias and output signal return path. |+| 5 | VOUT | output | Output driving speaker loads with impedance from 4 Ω to 32 Ω. |+| 6 | VS | power_in | Power supply voltage pin operating at 4 V to 12 V for LM386N-3. |+| 7 | BYPASS | output | Bypass capacitor connection for frequency compensation and output decoupling. |+| 8 | GAIN | passive | Gain setting pin connected with external resistor and capacitor between pins 8 and 1 to configure gain from 20 to 200. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | PDIP-8 |+| Category | Amplifiers/Comparators |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM386N-3`+- Footprint: `Package_DIP:DIP-8_W7.62mm`+- 3D model: PDIP-8 (KiCad packages3D, STEP)+- 3D model files: `lm386n-3-etched.step` / `lm386n-3-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm386n-3.step` / `lm386n-3.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/lm386) (34 pp, sha256 `0fbdb3de058ef6b0`, retrieved 2026-10-05, 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/lm386n-3-datasheet.pdf)
page.jsonadded+159@@ -0,0 +1,159 @@+{+ "slug": "lm386n-3",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Audio Amplifiers, PDIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "amplifiers-comparators",+ "lm386n-3",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm386n-3.kicad_sym",+ "lm386n-3.kicad_mod",+ "lm386n-3.glb",+ "lm386n-3.step",+ "lm386n-3.lbr",+ "docs/hero.png",+ "docs/lm386n-3-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lm386n-3-hero.glb",+ "lm386n-3-hero.overlay.json"+ ],+ "component": {+ "mpn": "LM386N-3",+ "manufacturer": "Texas Instruments",+ "package": "PDIP-8",+ "pin_count": 8,+ "category": "Amplifiers/Comparators",+ "subcategory": "Audio Amplifiers",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm386",+ "parts": {+ "symbol": "lm386n-3.kicad_sym",+ "footprint": "lm386n-3.kicad_mod",+ "model_3d": "lm386n-3-hero.glb",+ "model_3d_plain": "lm386n-3.glb",+ "model_3d_step": "lm386n-3-etched.step",+ "model_3d_step_plain": "lm386n-3.step",+ "lbr": "lm386n-3.lbr"+ },+ "distributor_links": {+ "lcsc": 139428,+ "digikey": "LM386N-3-ND",+ "mouser": "926-LM386N-3"+ },+ "distributor_check": {+ "checked_at": "2026-10-05T21:09:32Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "LM386N-3-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "926-LM386N-3",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "GAIN",+ "type": "passive",+ "description": "Gain setting pin connected with external resistor and capacitor between pins 1 and 8 to configure gain from 20 to 200."+ },+ {+ "number": "2",+ "name": "-INPUT",+ "type": "input",+ "description": "Inverting input receiving analog signal with voltage range -0.4 V to +0.4 V with respect to ground."+ },+ {+ "number": "3",+ "name": "+INPUT",+ "type": "input",+ "description": "Noninverting input receiving analog signal with voltage range -0.4 V to +0.4 V with respect to ground."+ },+ {+ "number": "4",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference for input bias and output signal return path."+ },+ {+ "number": "5",+ "name": "VOUT",+ "type": "output",+ "description": "Output driving speaker loads with impedance from 4 Ω to 32 Ω."+ },+ {+ "number": "6",+ "name": "VS",+ "type": "power_in",+ "description": "Power supply voltage pin operating at 4 V to 12 V for LM386N-3."+ },+ {+ "number": "7",+ "name": "BYPASS",+ "type": "output",+ "description": "Bypass capacitor connection for frequency compensation and output decoupling."+ },+ {+ "number": "8",+ "name": "GAIN",+ "type": "passive",+ "description": "Gain setting pin connected with external resistor and capacitor between pins 8 and 1 to configure gain from 20 to 200."+ }+ ],+ "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": 34,+ "cost_usd": 0.1605,+ "at": "2026-10-05T21:09:18"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm386",+ "pages": 34,+ "sha256": "0fbdb3de058ef6b0",+ "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]"+ }+}