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Contents

README

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HAL3725DJ-A

TDK · Linear Hall Sensors · SOIC-8

HAL3725DJ-A from TDK, 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 VSUP power_in Supply voltage input with operating range 4.5 V to 5.5 V and typical supply current of 8-13 mA.
2 GND power_in Ground reference (0 V).
3 TEST input Test input pin; recommended to connect to GND.
4 OUT output 12-bit ratiometric analog output with push-pull driver; also supports modulated communication for programming interface.
5 NC unconnected No connect pad; must be connected to GND.
6 NC unconnected No connect pad; must be connected to GND.
7 NC unconnected No connect pad; must be connected to GND.
8 NC unconnected No connect pad; must be connected to GND.

Key specifications

Parameter Value
Manufacturer TDK
Package SOIC-8
Category Magnetic Sensors
Pins 8

CAD (KiCad official)

  • Symbol: HAL3725DJ-A
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: hal3725dj-a-etched.step / hal3725dj-a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hal3725dj-a.step / hal3725dj-a.glb are the bare package body.

Provenance

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

  • Datasheet: TDK datasheet (46 pp, sha256 2d1500abf0618f0a, retrieved 2026-09-21, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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