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OPA2277U

Public Made by Adom

by adom

Texas Instruments Operational Amplifier, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs opa2277u: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
viewers opa2277u: viewers · Ray 1mo ago
opa2277u-etched.fit.json opa2277u: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
opa2277u-etched.glb opa2277u: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
opa2277u-etched.step opa2277u: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
opa2277u.glb Publish 0.1.0 · Ray 1mo ago
opa2277u.kicad_mod Publish 0.1.0 · Ray 1mo ago
opa2277u.kicad_sym Publish 0.1.0 · Ray 1mo ago
opa2277u.lbr Publish 0.1.0 · Ray 1mo ago
opa2277u.step Publish 0.1.0 · Ray 1mo ago
package.json Publish 0.1.0 · Ray 1mo ago
page.json opa2277u: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray 22h ago
README.md opa2277u: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray 19d ago

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)
  • 3D model files: opa2277u-etched.step / opa2277u-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); opa2277u.step / opa2277u.glb are the bare package body.

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).

Datasheet PDF