component
OPA2277U
Public Unreviewedby Ray
Texas Instruments Operational Amplifier, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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markdownOPA2277U
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.
OPA2277UUOPA2277UPOPA2277UOPA2277UDRM
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 (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).