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docs lmv321m5x: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
viewers lmv321m5x: viewers · Ray 1mo ago
lmv321m5x-etched.fit.json lmv321m5x: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
lmv321m5x-etched.glb lmv321m5x: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
lmv321m5x-etched.step lmv321m5x: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
lmv321m5x.glb Publish 0.1.0 · Ray 1mo ago
lmv321m5x.kicad_mod Publish 0.1.0 · Ray 1mo ago
lmv321m5x.kicad_sym Publish 0.1.0 · Ray 1mo ago
lmv321m5x.lbr Publish 0.1.0 · Ray 1mo ago
lmv321m5x.step Publish 0.1.0 · Ray 1mo ago
package.json Publish 0.1.0 · Ray 1mo ago
page.json lmv321m5x: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray 20h ago
README.md lmv321m5x: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray 19d ago

LMV321M5X

Texas Instruments · Operational Amplifier · SOT-23-5

LMV321M5X from Texas Instruments, in a SOT-23-5. 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 +IN input Noninverting input to the op-amp. Input common-mode range spans from V- - 0.2 V up to V+ - 0.8 V.
2 V- power_in Negative (lowest) power supply, typically tied to GND for single-supply operation. Supply voltage range 2.7 V to 5.5 V measured between V+ and V-.
3 -IN input Inverting input to the op-amp. Input common-mode range spans from V- - 0.2 V up to V+ - 0.8 V.
4 OUTPUT output Op-amp output. Rail-to-rail swing: with a 10 kOhm load, output swings within ~10 mV of V+ and ~65 mV of V-.
5 V+ power_in Positive (highest) power supply. Supply voltage range 2.7 V to 5.5 V measured between V+ and V-.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-23-5
Category Op-amp/Cmp
Pins 5

Ordering variants

Same part, different packaging or reel option.

  • LMV321M5X
  • LMV321M5XDBV
  • LMV321M5XDBVR
  • LMV321M5XDBVT
  • LMV321M5XDCK
  • LMV321M5XDCKR
  • LMV321M5XDCKT
  • LMV321M5XD
  • LMV321M5XDGK
  • LMV321M5XPW

CAD (KiCad official)

  • Symbol: LMV321M5X
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: lmv321m5x-etched.step / lmv321m5x-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lmv321m5x.step / lmv321m5x.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (51 pp, sha256 ef76e9db34c62dc9, 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