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GS8591-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+48@@ -0,0 +1,48 @@+# GS8591-SR++**Gainsil** · Operational Amplifier · SOP-8++GS8591-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 | NC | unconnected | No internal connection. Leave floating or tie to any convenient potential; not electrically bonded to the die. |+| 2 | IN- | input | Inverting analog input of the op amp. Rail-to-rail input range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V). Typical input bias current 20pA. |+| 3 | IN+ | input | Non-inverting analog input of the op amp. Rail-to-rail input range extends 100mV beyond the supply rails (VSS-0.1V to VDD+0.1V). |+| 4 | VSS | power_in | Negative supply / ground pin. For single-supply operation tie to GND; for dual-supply operation connect to the negative rail (down to -2.75V). Bypass with 0.1µF ceramic close to the device. |+| 5 | NC | unconnected | No internal connection. Leave floating or tie to any convenient potential. |+| 6 | OUT | output | Amplifier output. Rail-to-rail output swing: typically to within 5mV of the supply rail with a 10kΩ load and less than 5mV with light loads. Short-circuit current 43mA typical; continuous output current 30mA typical. |+| 7 | VDD | power_in | Positive supply pin. Operates from 1.8V to 5.5V single-supply (absolute max VDD-VSS = 7.5V). Bypass with a 0.1µF ceramic capacitor located close to this pin. |+| 8 | NC | unconnected | No internal connection. Leave floating or tie to any convenient potential. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Gainsil |+| Package | SOP-8 |+| Category | Op-amp/Cmp |+| Pins | 8 |++## Ordering variants++- `GS8591-SR`+- `GS8591-SRGS8591-TR`++## CAD (KiCad official)++- Symbol: `GS8591-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/gs8591-sr-datasheet.pdf) (14 pp, sha256 `1b646d2c2feb461f`, 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/gs8591-sr-datasheet.pdf)
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