OPA2277U

@@ -0,0 +1,52 @@+# OPA2277U++**Texas Instruments** · Operational Amplifier · SOIC-8++OPA2277U from Texas Instruments, in a SOIC-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 | Out A | output | Output of amplifier channel A. |+| 2 | -In A | input | Inverting input of amplifier channel A. |+| 3 | +In A | input | Noninverting input of amplifier channel A. |+| 4 | V- | power_in | Negative (lowest) power supply. Operating range ±2 V to ±18 V relative to V+. |+| 5 | +In B | input | Noninverting input of amplifier channel B. |+| 6 | -In B | input | Inverting input of amplifier channel B. |+| 7 | Out B | output | Output of amplifier channel B. |+| 8 | V+ | power_in | Positive (highest) power supply. Operating range ±2 V to ±18 V relative to V-. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Op-amp/Cmp |+| Pins | 8 |++## Ordering variants++Same part, different packaging or reel option.++- `OPA2277UU`+- `OPA2277UP`+- `OPA2277U`+- `OPA2277UDRM`++## CAD (KiCad official)++- Symbol: `OPA2277U`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/opa2277u.pdf) (43 pp, sha256 `2aa1ae528b1675b4`, retrieved 2026-08-17, tier: manufacturer)+- **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/opa2277u-datasheet.pdf)

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