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page.json opa2188aidr: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body… · Ray 18h ago
README.md opa2188aidr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago

OPA2188AIDR

Texas Instruments · Precision OpAmps · SOIC-8

OPA2188AIDR 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 Channel A op-amp output. Rail-to-rail output stage; drives up to ±18 mA short-circuit current with output swing to within ~250 mV of the rails at 10 kΩ load.
2 -IN A input Channel A inverting input. High-impedance CMOS input (100 MΩ
3 +IN A input Channel A non-inverting input. Common-mode range extends from V- to (V+)-1.5 V; input bias current ±160 pA typical.
4 V- power_in Negative supply rail. Connect to ground for single-supply operation or to the negative rail for split supply. Total supply range 4 V to 36 V (±2 V to ±18 V).
5 +IN B input Channel B non-inverting input. Common-mode range extends from V- to (V+)-1.5 V; input bias current ±160 pA typical.
6 -IN B input Channel B inverting input. High-impedance CMOS input (100 MΩ
7 OUT B output Channel B op-amp output. Rail-to-rail output stage; drives up to ±18 mA short-circuit current with output swing to within ~250 mV of the rails at 10 kΩ load.
8 V+ power_in Positive supply rail. Bypass with 100 nF close to the pin. Total supply range 4 V to 36 V (±2 V to ±18 V); quiescent current 475 µA maximum per amplifier.

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.

  • OPA2188AIDR
  • OPA2188AIDRAIDGKT
  • OPA2188AIDRAIDGKR

CAD (KiCad official)

  • Symbol: OPA2188AIDR
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: opa2188aidr-etched.step / opa2188aidr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); opa2188aidr.step / opa2188aidr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (28 pp, sha256 18cd8026c26eeda7, retrieved 2026-08-17, tier: manufacturer)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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