component

LM2901DR

Public Made by Adom

by adom

Texas Instruments Comparators, SOIC-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

componentop-amp-cmplm2901dr
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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs lm2901dr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
viewers pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) · Ray
lm2901dr-etched.fit.json lm2901dr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
lm2901dr-etched.glb lm2901dr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
lm2901dr-etched.step lm2901dr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
lm2901dr.glb Publish 0.1.0 · Ray
lm2901dr.kicad_mod Publish 0.1.0 · Ray
lm2901dr.kicad_sym Publish 0.1.0 · Ray
lm2901dr.lbr rebuild the library on adom-lbr 2.32.0. The published copy was built by 2.18.0, which imported every KiCad roundrect an… · Ray
lm2901dr.step Publish 0.1.0 · Ray
package.json Publish 0.2.0 · Ray
pads.json pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) · Ray
page.json lm2901dr: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray
README.md lm2901dr: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray

LM2901DR

Texas Instruments · Comparators · SOIC-14

LM2901DR from Texas Instruments, in a SOIC-14. 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 1OUT output Open-collector output of comparator 1. Requires an external pull-up resistor to a positive supply. Sinks up to ~16 mA typical.
2 2OUT output Open-collector output of comparator 2. Requires an external pull-up resistor to a positive supply.
3 VCC power_in Positive supply voltage. Single-supply operation: 2 V to 36 V. Split-supply operation: ±1 V to ±18 V.
4 2IN- input Inverting input of comparator 2. Common-mode input voltage range includes ground.
5 2IN+ input Non-inverting input of comparator 2. Common-mode input voltage range includes ground.
6 1IN- input Inverting input of comparator 1. Common-mode input voltage range includes ground.
7 1IN+ input Non-inverting input of comparator 1. Common-mode input voltage range includes ground.
8 3IN- input Inverting input of comparator 3. Common-mode input voltage range includes ground.
9 3IN+ input Non-inverting input of comparator 3. Common-mode input voltage range includes ground.
10 4IN- input Inverting input of comparator 4. Common-mode input voltage range includes ground.
11 4IN+ input Non-inverting input of comparator 4. Common-mode input voltage range includes ground.
12 GND power_in Ground / negative supply. Tie to 0 V for single-supply operation or to the negative rail for split-supply operation.
13 4OUT output Open-collector output of comparator 4. Requires an external pull-up resistor to a positive supply.
14 3OUT output Open-collector output of comparator 3. Requires an external pull-up resistor to a positive supply.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-14
Category Op-amp/Cmp
Pins 14

Ordering variants

Same part, different packaging or reel option.

  • LM2901DR
  • LM2901DRD
  • LM2901DRPWR
  • LM2901DRPW
  • LM2901DRN

CAD (KiCad official)

  • Symbol: LM2901DR
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14 (KiCad packages3D, STEP)
  • 3D model files: lm2901dr-etched.step / lm2901dr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm2901dr.step / lm2901dr.glb are the bare package body.

3D model downloads

Two STEP files. Same geometry, different body top:

File Size Use it when
lm2901dr.step 195 KB You want the bare part, or you mark your own boards.
lm2901dr-etched.step 2.0 MB You want the part with LM2901DR already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 514 faces against 237 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

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

  • Datasheet: Texas Instruments datasheet (53 pp, sha256 97e6781f0239a05e, 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