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OPA347NA

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

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OPA347NA

Texas Instruments · Operational Amplifier · SOT-23-5

OPA347NA from Texas Instruments, 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 Out output Output of the amplifier, which swings within 5mV of the rails for light loads (>100kΩ) and can directly drive up to 250pF in unity gain.
2 V- power_in Negative power supply (ground in single-supply operation), with inputs allowed to range 200mV beyond this rail and an absolute maximum input of 500mV beyond the supplies.
3 +In input Non-inverting input; normal operation is limited to a common-mode range of (V-) - 0.2V to (V+) + 0.2V.
4 -In input Inverting input; input current should be limited to 10mA when signals exceed the supply rails by more than 0.5V.
5 V+ power_in Positive power supply; the device is specified from 2.5V to 5.5V with a minimum operating voltage of 2.3V, and should be bypassed with 0.01µF ceramic capacitors.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-23-5
Category Amplifiers/Comparators
Pins 5

CAD (KiCad official)

  • Symbol: OPA347NA
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: opa347na-etched.step / opa347na-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); opa347na.step / opa347na.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (40 pp, sha256 3e158a3adb389c1a, retrieved 2026-10-07, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-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