component

OPA365

Public Made by Adom

by adom

TI zero-crossover rail-to-rail op-amp, SOT-23-5. 50 MHz, no crossover distortion, 2.2-5.5 V. Datasheet-verified.

componentamplifierop-amprail-to-railzero-crossoversot-23-5texas-instruments
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Contents

README

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OPA365

Texas Instruments · Operational amplifier · SOT-23-5

Rail-to-rail op-amp whose input stage has no crossover region, so it keeps low distortion and a flat offset all the way across the common-mode range, unlike ordinary rail-to-rail parts that glitch mid-swing. A 50 MHz gain-bandwidth and 4.5 nV/rtHz noise suit it to driving precision ADCs and buffering single-supply sensor signals from 2.2 to 5.5 V. A 100 uV offset and 25 V/us slew round it out. The single of the OPA365/2365 family.

Pinout

Pin Name Type Function
1 VOUT output Amplifier output. Rail-to-rail; typical swing within 10 mV of either supply rail with a 10 kΩ load. Short-circuit protected to ground (continuous).
2 V- power_in Negative (lowest) power supply. Typically GND in single-supply operation, or the negative rail in split-supply operation. Total supply range (V+) - (V-) = 2.2 V to 5.5 V.
3 +IN input Positive (noninverting) op-amp input. Rail-to-rail common-mode range extending 100 mV beyond each supply rail. Input bias current typ 0.2 pA; CMOS gate, high impedance.
4 -IN input Negative (inverting) op-amp input. Rail-to-rail common-mode range extending 100 mV beyond each supply rail. Input bias current typ 0.2 pA; CMOS gate, high impedance.
5 V+ power_in Positive (highest) power supply. 2.2 V to 5.5 V referenced to V-. Bypass to V- with a 0.1 µF ceramic capacitor close to the pin.

Key specifications

Parameter Value
Type Zero-crossover rail-to-rail op-amp
Gain-bandwidth 50 MHz
Input voltage noise 4.5 nV/rtHz
Input offset 100 uV (typ)
Slew rate 25 V/us
Supply 2.2-5.5 V
Output Rail-to-rail
Package SOT-23-5

Ordering variants

Same part, different packaging or reel option.

  • OPA365AIDBVR (SOT-23-5)
  • OPA365AID (SO-8)
  • OPA2365AIDR (dual, SO-8)

CAD (KiCad official)

  • Symbol: Amplifier_Operational:OPA365xxDBV (KiCad official)
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: opa365-etched.step / opa365-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); opa365.step / opa365.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (36 pp, sha256 a241cc6985db2bc7, retrieved 2026-08-17, tier: manufacturer)
  • 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