GS8554-SR

@@ -0,0 +1,54 @@+# GS8554-SR++**Gainsil** · Precision OpAmps · SOP-14++GS8554-SR from Gainsil, in a SOP-14. 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 | OUTA | output | Amplifier A output. Rail-to-rail output stage; swings within ~5mV of VDD/VSS at light loads (>100kΩ) and ~60mV at 10kΩ. Short-circuit current ~60mA. |+| 2 | INA- | input | Amplifier A inverting input. High-impedance CMOS input with rail-to-rail common-mode range (VSS-0.1V to VDD+0.1V). Input bias current typ 20pA. |+| 3 | INA+ | input | Amplifier A non-inverting input. High-impedance CMOS input with rail-to-rail common-mode range (VSS-0.1V to VDD+0.1V). Input bias current typ 20pA. |+| 4 | VDD | power_in | Positive supply. Single-supply +1.8V to +5.5V (or dual ±0.9V to ±2.75V). Absolute max 7.5V referenced to VSS. Bypass with 0.1µF ceramic close to pin. |+| 5 | INB+ | input | Amplifier B non-inverting input. High-impedance CMOS input with rail-to-rail common-mode range (VSS-0.1V to VDD+0.1V). Input bias current typ 20pA. |+| 6 | INB- | input | Amplifier B inverting input. High-impedance CMOS input with rail-to-rail common-mode range (VSS-0.1V to VDD+0.1V). Input bias current typ 20pA. |+| 7 | OUTB | output | Amplifier B output. Rail-to-rail output stage; swings within ~5mV of VDD/VSS at light loads (>100kΩ) and ~60mV at 10kΩ. Short-circuit current ~60mA. |+| 8 | OUTC | output | Amplifier C output. Rail-to-rail output stage; swings within ~5mV of VDD/VSS at light loads (>100kΩ) and ~60mV at 10kΩ. Short-circuit current ~60mA. |+| 9 | INC- | input | Amplifier C inverting input. High-impedance CMOS input with rail-to-rail common-mode range (VSS-0.1V to VDD+0.1V). Input bias current typ 20pA. |+| 10 | INC+ | input | Amplifier C non-inverting input. High-impedance CMOS input with rail-to-rail common-mode range (VSS-0.1V to VDD+0.1V). Input bias current typ 20pA. |+| 11 | VSS | power_in | Negative supply / ground. Tie to GND in single-supply operation, or to negative rail in dual-supply. In dual-supply, bypass with 0.1µF ceramic close to pin. |+| 12 | IND+ | input | Amplifier D non-inverting input. High-impedance CMOS input with rail-to-rail common-mode range (VSS-0.1V to VDD+0.1V). Input bias current typ 20pA. |+| 13 | IND- | input | Amplifier D inverting input. High-impedance CMOS input with rail-to-rail common-mode range (VSS-0.1V to VDD+0.1V). Input bias current typ 20pA. |+| 14 | OUTD | output | Amplifier D output. Rail-to-rail output stage; swings within ~5mV of VDD/VSS at light loads (>100kΩ) and ~60mV at 10kΩ. Short-circuit current ~60mA. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Gainsil |+| Package | SOP-14 |+| Category | Op-amp/Cmp |+| Pins | 14 |++## Ordering variants++- `GS8554-SRSR`+- `GS8554-SRTR`++## CAD (KiCad official)++- Symbol: `GS8554-SR`+- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`+- 3D model: SOP-14 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Gainsil datasheet](docs/gs8554-sr-datasheet.pdf) (14 pp, sha256 `dc9b0f2b6cedff03`, 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/gs8554-sr-datasheet.pdf)

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