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OPA2227UA

Public Made by Adom

by adom

Texas Instruments Precision OpAmps, 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 opa2227ua: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
viewers opa2227ua: viewers · Ray 1mo ago
opa2227ua-etched.fit.json opa2227ua: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
opa2227ua-etched.glb opa2227ua: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
opa2227ua-etched.step opa2227ua: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
opa2227ua.glb Publish 0.1.0 · Ray 1mo ago
opa2227ua.kicad_mod Publish 0.1.0 · Ray 1mo ago
opa2227ua.kicad_sym Publish 0.1.0 · Ray 1mo ago
opa2227ua.lbr Publish 0.1.0 · Ray 1mo ago
opa2227ua.step Publish 0.1.0 · Ray 1mo ago
package.json Publish 0.1.0 · Ray 1mo ago
page.json opa2227ua: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray 17h ago
README.md opa2227ua: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray 19d ago

OPA2227UA

Texas Instruments · Precision OpAmps · SOIC-8

OPA2227UA 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 Amplifier A output. Class-AB output stage; +/-45mA typical short-circuit current, drives loads down to 600 ohm with V- +3.5V to V+ -3.5V swing.
2 -In A input Inverting input of amplifier A. Bipolar input with +/-2.5nA typical (10nA max) bias current, +/-2.5nA typical offset current. Common-mode range V- +2V to V+ -2V.
3 +In A input Non-inverting input of amplifier A. Same DC/AC specs as -In A; differential input impedance 10^7 ohm
4 V- power_in Negative supply rail. Operating range -2.5V to -18V referenced to V+ (total Vs = 5V to 36V). Quiescent current 3.7mA typ per amplifier.
5 +In B input Non-inverting input of amplifier B. Bipolar input, +/-2.5nA typ bias, common-mode range V- +2V to V+ -2V.
6 -In B input Inverting input of amplifier B. Same specs as +In B; 10^9 ohm
7 Out B output Amplifier B output. Class-AB output stage matched to Out A; channel separation 110 dB at 1kHz, 5k ohm load.
8 V+ power_in Positive supply rail. Operating range +2.5V to +18V referenced to V-. Absolute maximum supply voltage +/-18V; bypass with 0.1uF ceramic 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.

  • OPA2227UAU
  • OPA2227UA
  • OPA2227UAP

CAD (KiCad official)

  • Symbol: OPA2227UA
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: opa2227ua-etched.step / opa2227ua-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); opa2227ua.step / opa2227ua.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (27 pp, sha256 9c1e133dfda319a3, 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