component
GS4558-SR
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Gainsil Operational Amplifier, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+50@@ -0,0 +1,50 @@+# GS4558-SR++**Gainsil** · Operational Amplifier · SOP-8++GS4558-SR from Gainsil, 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 | OUTPUT 1 | output | Output of amplifier 1. Typical output resistance 45Ω; short-circuit sink/source currents ~60mA/35mA. |+| 2 | INPUT 1- | input | Inverting input of amplifier 1. High input impedance (~0.5MΩ); input bias current typically 70nA. |+| 3 | INPUT 1+ | input | Non-inverting input of amplifier 1. Common-mode input voltage range typically ±12V at ±15V supply. |+| 4 | VEE | power_in | Negative supply rail. Recommended −2V to −18V; absolute maximum −20V. |+| 5 | INPUT 2+ | input | Non-inverting input of amplifier 2. Common-mode input voltage range typically ±12V at ±15V supply. |+| 6 | INPUT 2- | input | Inverting input of amplifier 2. High input impedance (~0.5MΩ); input bias current typically 70nA. |+| 7 | OUTPUT 2 | output | Output of amplifier 2. Typical output resistance 45Ω; short-circuit sink/source currents ~60mA/35mA. |+| 8 | VCC | power_in | Positive supply rail. Recommended +2V to +18V; absolute maximum +20V. Total supply current typically 2.5mA (all amplifiers, no load). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Gainsil |+| Package | SOP-8 |+| Category | Op-amp/Cmp |+| Pins | 8 |++## Ordering variants++Same part, different packaging or reel option.++- `GS4558-SR`+- `GS4558-SRDR`++## CAD (KiCad official)++- Symbol: `GS4558-SR`+- 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:** [Gainsil datasheet](docs/gs4558-sr-datasheet.pdf) (8 pp, sha256 `9826cd232540cb3a`, 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/gs4558-sr-datasheet.pdf)
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