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docs ad8538arz: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
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ad8538arz-etched.fit.json ad8538arz: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
ad8538arz-etched.glb ad8538arz: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body w… · Ray 13d ago
ad8538arz-etched.step ad8538arz: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body w… · Ray 13d ago
ad8538arz.glb Publish 0.1.0 · Ray 2mo ago
ad8538arz.kicad_mod Publish 0.1.0 · Ray 2mo ago
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ad8538arz.step Publish 0.1.0 · Ray 2mo ago
package.json Publish 0.1.0 · Ray 2mo ago
page.json ad8538arz: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body w… · Ray 13d ago
README.md ad8538arz: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray 1mo ago

AD8538ARZ

UMW · Precision Op Amps · SOP-8

AD8538ARZ from UMW, in a SOP-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 NC unconnected No connect. Leave floating or optionally tie to V- for best noise immunity.
2 -IN input Inverting input of the op-amp. Rail-to-rail input common-mode range extending from V- (0 V) up to V+. Very low input bias current (25 pA typ).
3 +IN input Non-inverting input of the op-amp. Rail-to-rail input common-mode range extending from V- (0 V) up to V+. Very low input bias current (25 pA typ).
4 V- power_in Negative supply rail (or ground in single-supply operation). Supply span V+ to V- is 2.7 V to 5.5 V (or ±1.35 V to ±2.5 V dual). Absolute maximum supply voltage 6 V.
5 NC unconnected No connect. Leave floating.
6 OUT output Op-amp output. Rail-to-rail output stage; short-circuit current ±25 mA typ. Slew rate 0.4 V/µs, GBP 430 kHz.
7 V+ power_in Positive supply rail. Supply span V+ to V- is 2.7 V to 5.5 V (or ±1.35 V to ±2.5 V dual). Absolute maximum supply voltage 6 V. Supply current 180 µA max at 5 V.
8 NC unconnected No connect. Leave floating.

Key specifications

Parameter Value
Manufacturer UMW
Package SOP-8
Category Amplifiers/Comparators
Pins 8

Ordering variants

Same part, different packaging or reel option.

  • AD8538ARZ

CAD (KiCad official)

  • Symbol: AD8538ARZ
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: ad8538arz-etched.step / ad8538arz-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ad8538arz.step / ad8538arz.glb are the bare package body.

Provenance

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

  • Datasheet: UMW datasheet (20 pp, sha256 422c4e7d28c22d8c, retrieved 2026-08-17, tier: lcsc)
  • 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