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WS72552M-8

WILLSEMI Will Semicon · Operational Amplifier · MSOP-8

WS72552M-8 from WILLSEMI Will Semicon, in a MSOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 OUTA output Output of amplifier A.
2 -INA input Inverting input of amplifier A.
3 +INA input Non-inverting input of amplifier A; input voltage must stay between GND-0.2 V and Vs+0.2 V per the absolute maximum ratings.
4 V- power_in Negative supply rail, which is GND in single-supply operation from 2.5 V to 5 V.
5 +INB input Non-inverting input of amplifier B; input voltage must stay between GND-0.2 V and Vs+0.2 V per the absolute maximum ratings.
6 -INB input Inverting input of amplifier B.
7 OUTB output Output of amplifier B.
8 V+ power_in Positive supply; the part is guaranteed for 2.5 V to 5 V single-supply operation and the absolute maximum supply voltage is 6 V.

Key specifications

Parameter Value
Manufacturer WILLSEMI Will Semicon
Package MSOP-8
Category Amplifiers/Comparators
Pins 8

CAD (KiCad official)

  • Symbol: WS72552M-8
  • Footprint: Package_SO:MSOP-8_3x3mm_P0.65mm
  • 3D model: MSOP-8 (KiCad packages3D, STEP)
  • 3D model files: ws72552m-8-etched.step / ws72552m-8-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ws72552m-8.step / ws72552m-8.glb are the bare package body.

Provenance

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

  • Datasheet: WILLSEMI Will Semicon datasheet (18 pp, sha256 627c731db97a1142, retrieved 2026-10-10, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF