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Contents

README

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LM2901M

HGSEMI · Comparators · SOP-14

LM2901M from HGSEMI, in a SOP-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 OUT2 output Open-collector output of comparator 2. Requires an external pull-up resistor to VCC (or another rail up to 36 V). Can sink ~16 mA typical.
2 OUT1 output Open-collector output of comparator 1. Requires an external pull-up resistor to VCC.
3 VCC power_in Positive supply pin. Single-supply range 2 V to 36 V, or ±1 V to ±18 V for split supplies.
4 IN1- input Inverting input of comparator 1. Common-mode range includes ground (V- to VCC-1.5 V).
5 IN1+ input Non-inverting input of comparator 1. Common-mode range includes ground.
6 IN2- input Inverting input of comparator 2. Common-mode range includes ground.
7 IN2+ input Non-inverting input of comparator 2. Common-mode range includes ground.
8 IN3+ input Non-inverting input of comparator 3. Common-mode range includes ground.
9 IN3- input Inverting input of comparator 3. Common-mode range includes ground.
10 IN4+ input Non-inverting input of comparator 4. Common-mode range includes ground.
11 IN4- input Inverting input of comparator 4. Common-mode range includes ground.
12 GND power_in Negative supply / ground pin. Connect to 0 V for single-supply operation, or V- for split-supply operation.
13 OUT4 output Open-collector output of comparator 4. Requires an external pull-up resistor to VCC.
14 OUT3 output Open-collector output of comparator 3. Requires an external pull-up resistor to VCC.

Key specifications

Parameter Value
Manufacturer HGSEMI
Package SOP-14
Category Op-amp/Cmp
Pins 14

Ordering variants

Same part, different packaging or reel option.

  • LM2901MM

CAD (KiCad official)

  • Symbol: LM2901M
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOP-14 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: HGSEMI datasheet (11 pp, sha256 a884f851e29c76ae, retrieved 2026-08-17, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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