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Contents

README

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LMV331SQ3T2G

onsemi · Comparators · SOT-353

LMV331SQ3T2G from onsemi, in a SOT-353. 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 comparator input. Input common-mode range extends from V- (GND) to (V+ - 1 V), i.e. 0 to ~2 V at Vcc = 2.7 V.
2 GND power_in Negative supply / ground reference (V-). Tie to 0 V for single-supply operation.
3 -IN input Inverting comparator input. Input common-mode range extends from V- (GND) to (V+ - 1 V). Maximum differential voltage is +/- supply voltage.
4 OUTPUT output Open-drain comparator output. Requires an external pull-up resistor to Vcc. Sink current typ 23 mA (min 5 mA) at Vo <= 1.5 V; saturation voltage 120 mV typ at Isink = 1 mA. Supports wired-OR of multiple comparator outputs.
5 VCC power_in Positive supply (V+). Operating range 2.7 V to 5.0 V; absolute max 5.5 V between V+ and V-. Typical Icc = 40 uA at 2.7 V.

Key specifications

Parameter Value
Manufacturer onsemi
Package SOT-353
Category Op-amp/Cmp
Pins 5

Ordering variants

Same part, different packaging or reel option.

  • LMV331SQ3T2G
  • LMV331SQ3T2GM5
  • LMV331SQ3T2GM5T
  • LMV331SQ3T2GD
  • LMV331SQ3T2GMU
  • LMV331SQ3T2GDTB

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 (VCC) recommended range VCC 2.7 5 V Temperature Range (Note 2) 3
Operating Ambient Temperature Range TA -40 85 °C LMV331, LMV393, LMV339 3
Voltage on any Pin (referred to V− pin) VS 5.5 V Referred to V− pin 3
Maximum Junction Temperature TJ 150 °C 3
Storage Temperature Range Tstg -65 150 °C 3
Mounting Temperature (Infrared or Convection) TL 260 °C 1/16 in from case for 30 seconds 3
ESD Tolerance Machine Model VESD 100 V Machine Model, JESD22-A115-A 3
ESD Tolerance Human Body Model VESD 1000 V Human Body Model, MIL-STD-883 Method 3015.7 3
Thermal Resistance, junction-to-ambient (SC-70) JA 280 °C/W SC-70 package, soldered to PC board 3
Input Offset Voltage VIO 1.7 9 mV 4
Input Bias Current IB 1 nA 4
Input Offset Current IIO 1 nA 4
Input Voltage Range VCM 0 2 V 4
Output Sink Current IO 5 23 mA VO ≤ 1.5 V 4
Supply Current LMV331 ICC 40 100 A 4
Input Offset Voltage Average Drift TC VIO 5 V/°C 4
Saturation Voltage VSAT 120 mV ISINK ≤ 1 mA 4
Propagation Delay High to Low tPHL 1000 ns Input Overdrive = 10 mV 4
Propagation Delay High to Low tPHL 500 ns Input Overdrive = 100 mV 4
Propagation Delay Low to High tPLH 800 ns Input Overdrive = 10 mV 4
Propagation Delay Low to High tPLH 200 ns Input Overdrive = 100 mV 4
Input Offset Voltage VIO 1.7 9 mV TA = TLO to THIGH 5
Input Offset Voltage Average Drift TC VIO 5 V/°C TA = TLO to THIGH 5
Input Bias Current IB 1 nA TA = TLO to THIGH 5
Input Offset Current IIO 1 nA TA = TLO to THIGH 5
Input Voltage Range VCM 0 4.2 V 5
Voltage Gain AV 20 50 V/mV 5
Saturation Voltage VSAT 200 400 mV ISINK = 10 mA 5
Saturation Voltage VSAT 700 mV ISINK = 10 mA, TA = TLO to THIGH 5
Output Sink Current IO 10 84 mA VO ≤ 1.5 V 5
Supply Current LMV331 ICC 60 120 A 5
Supply Current LMV331 ICC 150 A TA = TLO to THIGH 5
Output Leakage Current 0.003 1 A TA = TLO to THIGH 5
Propagation Delay High to Low tPHL 1500 ns Input Overdrive = 10 mV 5
Propagation Delay High to Low tPHL 900 ns Input Overdrive = 100 mV 5
Propagation Delay Low to High tPLH 800 ns Input Overdrive = 10 mV 5
Propagation Delay Low to High tPLH 200 ns Input Overdrive = 100 mV 5

CAD (KiCad official)

  • Symbol: LMV331SQ3T2G
  • Footprint: Package_TO_SOT_SMD:SOT-353_SC-70-5
  • 3D model: SOT-353 (KiCad packages3D, STEP)
  • 3D model files: lmv331sq3t2g-etched.step / lmv331sq3t2g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lmv331sq3t2g.step / lmv331sq3t2g.glb are the bare package body.

3D model downloads

Two STEP files. Same geometry, different body top:

File Size Use it when
lmv331sq3t2g.step 87 KB You want the bare part, or you mark your own boards.
lmv331sq3t2g-etched.step 2.4 MB You want the part with LMV331SQ3T2G already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 577 faces against 102 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: onsemi datasheet (20 pp, sha256 b2567044b71e4f0a, 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