component
LM4558M
Public Made by Adomby adom
HGSEMI Differential Amplifiers, SOP-8. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+44@@ -0,0 +1,44 @@+# LM4558M++**HGSEMI** · Differential Amplifiers · SOP-8++LM4558M from HGSEMI, in a SOP-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 | OUT1 | output | Output of amplifier 1; output voltage swing ±12 V typ / ±13.5 V max into RL ≥ 2 kΩ, output current ±50 mA absolute maximum. |+| 2 | IN1- | input | Inverting input of amplifier 1; input common-mode range ±12 V typ / ±13.5 V max, differential input voltage ±30 V absolute maximum. |+| 3 | IN1+ | input | Non-inverting input of amplifier 1; input common-mode range ±12 V typ / ±13.5 V max, differential input voltage ±30 V absolute maximum. |+| 4 | VCC- | power_in | Negative power supply; operating range −2.25 V to −16 V (i.e. ±2.25 V to ±16 V split supply), power dissipation 300 mW maximum for SOP-8. |+| 5 | IN2+ | input | Non-inverting input of amplifier 2; input common-mode range ±12 V typ / ±13.5 V max, differential input voltage ±30 V absolute maximum. |+| 6 | IN2- | input | Inverting input of amplifier 2; input common-mode range ±12 V typ / ±13.5 V max, differential input voltage ±30 V absolute maximum. |+| 7 | OUT2 | output | Output of amplifier 2; output voltage swing ±12 V typ / ±13.5 V max into RL ≥ 2 kΩ, output current ±50 mA absolute maximum. |+| 8 | VCC+ | power_in | Positive power supply; operating range +2.25 V to +16 V (i.e. ±2.25 V to ±16 V split supply), total quiescent current 6 mA typ / 9 mA max. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HGSEMI |+| Package | SOP-8 |+| Category | Amplifiers/Comparators |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM4558M`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOP-8 (KiCad packages3D, STEP)+- 3D model files: `lm4558m-etched.step` / `lm4558m-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm4558m.step` / `lm4558m.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [HGSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757765440867315712) (9 pp, sha256 `002d88a3a9a6a9fe`, retrieved 2026-09-29, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/lm4558m-datasheet.pdf)
page.jsonadded+140@@ -0,0 +1,140 @@+{+ "slug": "lm4558m",+ "version": "0.1.0",+ "type": "component",+ "description": "HGSEMI Differential Amplifiers, SOP-8. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "amplifiers-comparators",+ "lm4558m",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm4558m.kicad_sym",+ "lm4558m.kicad_mod",+ "lm4558m.glb",+ "lm4558m.step",+ "lm4558m.lbr",+ "docs/hero.png",+ "docs/lm4558m-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "LM4558M",+ "manufacturer": "HGSEMI",+ "package": "SOP-8",+ "pin_count": 8,+ "category": "Amplifiers/Comparators",+ "subcategory": "Differential Amplifiers",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757765440867315712",+ "parts": {+ "symbol": "lm4558m.kicad_sym",+ "footprint": "lm4558m.kicad_mod",+ "model_3d": "lm4558m-etched.glb",+ "model_3d_plain": "lm4558m.glb",+ "model_3d_step": "lm4558m-etched.step",+ "model_3d_step_plain": "lm4558m.step",+ "lbr": "lm4558m.lbr"+ },+ "distributor_links": {+ "lcsc": "C5116329"+ },+ "distributor_check": {+ "checked_at": "2026-09-29T17:04:29Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": null,+ "status": "no match"+ },+ "mouser": {+ "pn": null,+ "status": "no match"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "OUT1",+ "type": "output",+ "description": "Output of amplifier 1; output voltage swing ±12 V typ / ±13.5 V max into RL ≥ 2 kΩ, output current ±50 mA absolute maximum."+ },+ {+ "number": "2",+ "name": "IN1-",+ "type": "input",+ "description": "Inverting input of amplifier 1; input common-mode range ±12 V typ / ±13.5 V max, differential input voltage ±30 V absolute maximum."+ },+ {+ "number": "3",+ "name": "IN1+",+ "type": "input",+ "description": "Non-inverting input of amplifier 1; input common-mode range ±12 V typ / ±13.5 V max, differential input voltage ±30 V absolute maximum."+ },+ {+ "number": "4",+ "name": "VCC-",+ "type": "power_in",+ "description": "Negative power supply; operating range −2.25 V to −16 V (i.e. ±2.25 V to ±16 V split supply), power dissipation 300 mW maximum for SOP-8."+ },+ {+ "number": "5",+ "name": "IN2+",+ "type": "input",+ "description": "Non-inverting input of amplifier 2; input common-mode range ±12 V typ / ±13.5 V max, differential input voltage ±30 V absolute maximum."+ },+ {+ "number": "6",+ "name": "IN2-",+ "type": "input",+ "description": "Inverting input of amplifier 2; input common-mode range ±12 V typ / ±13.5 V max, differential input voltage ±30 V absolute maximum."+ },+ {+ "number": "7",+ "name": "OUT2",+ "type": "output",+ "description": "Output of amplifier 2; output voltage swing ±12 V typ / ±13.5 V max into RL ≥ 2 kΩ, output current ±50 mA absolute maximum."+ },+ {+ "number": "8",+ "name": "VCC+",+ "type": "power_in",+ "description": "Positive power supply; operating range +2.25 V to +16 V (i.e. ±2.25 V to ±16 V split supply), total quiescent current 6 mA typ / 9 mA max."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757765440867315712",+ "pages": 9,+ "sha256": "002d88a3a9a6a9fe",+ "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]"+ }+}