component
LM321LVM5
Public Made by Adomby adom
HGSEMI Operational Amplifier, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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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README
markdownLM321LVM5
HGSEMI · Operational Amplifier · SOT-23-5
LM321LVM5 from HGSEMI, in a SOT-23-5. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | +IN | input | Non-inverting input of the single rail-to-rail op amp; input common-mode range is (-VS)-0.5V to (+VS)+0.5V. |
| 2 | -VS | power_in | Negative supply (GND in single-supply use); total supply V+ to V- is 2.1V min to 5.5V max operating, 7.5V absolute maximum. |
| 3 | -IN | input | Inverting input of the op amp; input common-mode range is (-VS)-0.5V to (+VS)+0.5V. |
| 4 | OUT | output | Rail-to-rail op amp output, able to drive 250pF at unity gain without oscillation and sourcing 30mA typical output current. |
| 5 | +VS | power_in | Positive supply, 2.1V to 5.5V operating (7.5V absolute maximum), with a 0.1uF bypass capacitor placed close to the pin. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | HGSEMI |
| Package | SOT-23-5 |
| Category | Amplifiers/Comparators |
| Pins | 5 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply voltage (V+ to V-) | 7.5 | V | 3 | ||||
| Storage temperature | -50 | 150 | ℃ | 3 | |||
| Junction temperature | 150 | ℃ | 3 | ||||
| Operating temperature | -40 | 85 | ℃ | 3 | |||
| Lead temperature (soldering 10 s) | 260 | ℃ | Soldering 10 s | 3 | |||
| Input offset voltage | VOS | -5 | 0.8 | 5 | mV | 4 | |
| Common-mode rejection ratio | CMRR | 62 | 70 | dB | VS = 5.5V, VCM = -0.1V to 4V | 4 | |
| Common-mode rejection ratio | CMRR | 56 | 68 | dB | VS = 5.5V, VCM = -0.1V to 5.6V | 4 | |
| Open-loop gain | AOL | 70 | 80 | dB | RL = 5KΩ, Vo = 0.1V to 4.9V | 4 | |
| Open-loop gain | AOL | 80 | 84 | dB | RL = 100KΩ, Vo = 0.035V to 4.965V | 4 | |
| Output current | IOUT | 18 | 30 | mA | 4 | ||
| Operating voltage range | 2.1 | 5.5 | V | 4 | |||
| Power supply rejection ratio | PSRR | 60 | 80 | dB | Vs = +2.5 V to +5.5 V, VCM = (-VS) + 0.5V | 4 | |
| Quiescent current per amplifier | IQ | 45 | 75 | µA | IOUT = 0 | 4 |
CAD (KiCad official)
- Symbol:
LM321LVM5 - Footprint:
Package_TO_SOT_SMD:SOT-23-5 - 3D model: SOT-23-5 (KiCad packages3D, STEP)
- 3D model files:
lm321lvm5-etched.step/lm321lvm5-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lm321lvm5.step/lm321lvm5.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HGSEMI datasheet (18 pp, sha256
9636551ffad042eb, retrieved 2026-10-17, 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: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-5-5(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).