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LMV321B-CR

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by Ray

3PEAK Operational Amplifier, SC-70-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.

componentop-amp-cmplmv321b-cr
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3D Model

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Symbol & Footprint

Schematic Symbol

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PCB Footprint

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Datasheet

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Contents

README

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LMV321B-CR

3PEAK · Operational Amplifier · SC-70-5

LMV321B-CR from 3PEAK, in a SC-70-5. 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 Non-inverting analog input. Common-mode range extends 100 mV beyond each rail ((V-)-0.1 V to (V+)+0.1 V). Input bias current typically 1 pA at 25 °C.
2 -VS power_in Negative supply (or ground in single-supply operation). Total supply (+VS)-(-VS) range 2.5 V to 5.5 V, 6 V absolute maximum.
3 -IN input Inverting analog input. Common-mode range extends 100 mV beyond each rail; input current must be limited to <10 mA if driven more than 300 mV beyond either supply (ESD protection diodes).
4 OUT output Rail-to-rail amplifier output. Swings within ~15 mV of either supply into RL=10 kΩ, delivers up to 100 mA short-circuit current, and is stable driving heavy capacitive loads.
5 +VS power_in Positive supply. Operating range 2.5 V to 5.5 V (6 V absolute maximum). Quiescent current 80 µA typical, 130 µA max per amplifier. Bypass locally with a 0.1 µF ceramic capacitor.

Key specifications

Parameter Value
Manufacturer 3PEAK
Package SC-70-5
Category Op-amp/Cmp
Pins 5

Ordering variants

Same part, different packaging or reel option.

  • LMV321B-CR
  • LMV321B-TR
  • LMV358B-SR
  • LMV358B-TSR
  • LMV358B-VR
  • LMV324B-SR
  • LMV324B-TR

CAD (KiCad official)

  • Symbol: LMV321B-CR
  • Footprint: Package_TO_SOT_SMD:SOT-353_SC-70-5
  • 3D model: SC-70-5 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: 3PEAK datasheet (16 pp, sha256 dc4f8bb3f178d6dc, retrieved 2026-08-17, tier: lcsc)
  • 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