njm4558

@@ -0,0 +1,43 @@+# NJM4558++**KEXIN** · Operational Amplifier · SOP-8++NJM4558 from KEXIN, in a SOP-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 | A_OUT | output | Amplifier A output. Class-AB output stage capable of swinging ±14 V typ. into a ≥10 kΩ load (±13 V typ. into ≥2 kΩ) at ±15 V supply. |+| 2 | A_IN- | input | Amplifier A inverting input. Input bias current 50 nA typ., input offset current 5 nA typ., input resistance 5 MΩ typ. |+| 3 | A_IN+ | input | Amplifier A non-inverting input. Common-mode input range ±12 V typ. at ±15 V supply; differential input voltage rated to ±30 V absolute maximum. |+| 4 | V- | power_in | Negative supply rail. Rated -18 V absolute maximum relative to V+; shared by both amplifier channels. Typical operating current 3.5 mA at ±15 V. |+| 5 | B_IN+ | input | Amplifier B non-inverting input. Common-mode input range ±12 V typ. at ±15 V supply. |+| 6 | B_IN- | input | Amplifier B inverting input. Input bias current 50 nA typ., input offset current 5 nA typ., input resistance 5 MΩ typ. |+| 7 | B_OUT | output | Amplifier B output. Class-AB output stage capable of swinging ±14 V typ. into a ≥10 kΩ load (±13 V typ. into ≥2 kΩ) at ±15 V supply. |+| 8 | V+ | power_in | Positive supply rail. Rated +18 V absolute maximum relative to V-; shared by both amplifier channels. Typical operating current 3.5 mA at ±15 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | KEXIN |+| Package | SOP-8 |+| Category | Op-amp/Cmp |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `NJM4558`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOP-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [KEXIN datasheet](docs/njm4558-datasheet.pdf) (2 pp, sha256 `239207a261cbda01`, retrieved 2026-08-17, 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/njm4558-datasheet.pdf)

@@ -0,0 +1,34 @@+{+  "slug": "njm4558",+  "version": "0.1.0",+  "type": "component",+  "description": "KEXIN Operational Amplifier, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "op-amp-cmp",+    "njm4558"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "njm4558.kicad_sym",+    "njm4558.kicad_mod",+    "njm4558.glb",+    "njm4558.step",+    "njm4558.lbr",+    "docs/hero.png",+    "docs/njm4558-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html"+  ],+  "visibility": "public",+  "author": {+    "name": "Ray",+    "email": "[email protected]"+  }+}\ No newline at end of file