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LTC8631XT5

Public Made by Adom

by adom

Linearin Operational Amplifier, SOT-23-5L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LTC8631XT5

Linearin · Operational Amplifier · SOT-23-5L

LTC8631XT5 from Linearin, in a SOT-23-5L. 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 OUT output Amplifier output, rail-to-rail, stable with capacitive loads up to 500 pF.
2 -VS power_in Negative power supply, normally tied to ground, and the voltage between VS+ and VS- must be 2.3 V to 5.5 V.
3 +IN input Non-inverting input of the amplifier, with a voltage range from (VS- - 0.1 V) to (VS+ + 0.1 V).
4 -IN input Inverting input of the amplifier, with a voltage range from (VS- - 0.1 V) to (VS+ + 0.1 V).
5 +VS power_in Positive power supply of 2.3 V to 5.5 V, and split supplies are allowed if VS+ to VS- is 2.3 V to 5.5 V.

Key specifications

Parameter Value
Manufacturer Linearin
Package SOT-23-5L
Category Operational Amplifier/Comparator
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
Input offset voltage VOS -3.5 0.7 3.5 mV 3
Offset voltage drift VOS TC -2 2 μV/℃ TA = −40 to +125 ℃ 3
Power supply rejection ratio PSRR 90 106 dB VS = 2.3 to 5.5 V, VCM < VS+ − 2V 3
Power supply rejection ratio PSRR 77 dB TA = −40 to +125 ℃ 3
Input bias current IB 150 pA TA = +85 ℃ 3
Input bias current IB 500 pA TA = +125 ℃ 3
Common-mode rejection ratio CMRR 70 82 dB VCM = −0.1 to 5.1 V 3
Common-mode rejection ratio CMRR 67 dB VCM = 0 to 4.9 V, TA = −40 to +125 ℃ 3
Common-mode rejection ratio CMRR 66 77 dB VS = 2.3 V, VCM = −0.1 to 2.1 V 3
Common-mode rejection ratio CMRR 62 dB VCM = 0 to 2.1 V, TA = −40 to +125 ℃ 3
Open-loop voltage gain AVOL 93 102 dB RL = 10 kΩ, VO = 0.05 to 3.5 V 3
Open-loop voltage gain AVOL 84 dB TA = −40 to +125 ℃ 3
Open-loop voltage gain AVOL 78 87 dB RL = 600 Ω, VO = 0.15 to 3.5 V 3
Open-loop voltage gain AVOL 70 dB TA = −40 to +125 ℃ 3
Short-circuit current ISC -70 70 mA 4
Operating supply voltage VS 2.3 5.5 V TA = −40 to +125 ℃ 4
Quiescent current (per amplifier) IQ 600 730 μA VS = 2.5 V 4
Quiescent current (per amplifier) IQ 700 850 μA VS = 5.0 V 4
Supply voltage VS+ to VS− 10 V 2
Signal input terminals current -10 10 mA 2
Storage temperature range Tstg -65 150 ℃ 2
Junction temperature TJ 150 ℃ 2
Lead temperature range (soldering) 260 ℃ Soldering 10 sec 2
ESD human body model (HBM) -5000 5000 V per MIL-STD-883J / Method 3015.9 2
ESD charged device model (CDM) -2000 2000 V per ESDA/JEDEC JS-002-2014 2
ESD machine model (MM) -250 250 V per JESD22-A115C 2
Operating temperature range TA -40 125 ℃ 4
Package thermal resistance SOT23-5L θJA 190 ℃/W SOT23-5L package 4

CAD (KiCad official)

  • Symbol: LTC8631XT5
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5L (KiCad packages3D, STEP)
  • 3D model files: ltc8631xt5-etched.step / ltc8631xt5-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ltc8631xt5.step / ltc8631xt5.glb are the bare package body.

Provenance

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

  • Datasheet: Linearin datasheet (18 pp, sha256 af7b8cc194c91883, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-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).

Datasheet PDF