component
COS2171SRA
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COSINE Operational Amplifier, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+49@@ -0,0 +1,49 @@+# COS2171SRA++**COSINE** · Operational Amplifier · SOP-8++COS2171SRA from COSINE, 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 | OUT1 | output | Output of amplifier A. Output voltage range extends to within ~500mV of each supply rail (RRIO). |+| 2 | -IN1 | input | Inverting input of amplifier A. Voltage range from -Vs - 0.3V to +Vs + 0.3V; inputs are diode-clamped to the supply rails. |+| 3 | +IN1 | input | Non-inverting input of amplifier A. Voltage range from -Vs - 0.3V to +Vs + 0.3V; rail-to-rail input capability. |+| 4 | -Vs | power_in | Negative power supply or ground. For dual-supply operation ±2.25V to ±20V; bypass with 0.1µF ceramic as close to the pin as possible. |+| 5 | +IN2 | input | Non-inverting input of amplifier B. Voltage range from -Vs - 0.3V to +Vs + 0.3V; rail-to-rail input capability. |+| 6 | -IN2 | input | Inverting input of amplifier B. Voltage range from -Vs - 0.3V to +Vs + 0.3V; inputs are diode-clamped to the supply rails. |+| 7 | OUT2 | output | Output of amplifier B. Output voltage range extends to within ~500mV of each supply rail (RRIO). |+| 8 | +Vs | power_in | Positive power supply, 4.5V to 40V (single-supply) or +2.25V to +20V (dual-supply). Bypass with 0.1µF ceramic capacitor as close to the pin as possible; a 2.2µF tantalum can be added for better performance. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | COSINE |+| Package | SOP-8 |+| Category | Op-amp/Cmp |+| Pins | 8 |++## Ordering variants++- `COS2171SRA`+- `COS2171SRASRB`+- `COS2171SRASRC`++## CAD (KiCad official)++- Symbol: `COS2171SRA`+- 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:** [COSINE datasheet](docs/cos2171sra-datasheet.pdf) (10 pp, sha256 `60b789e21a6df5f6`, 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/cos2171sra-datasheet.pdf)
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