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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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README.mdadded+41@@ -0,0 +1,41 @@+# 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](https://www.ti.com/lit/ds/symlink/opa347.pdf) (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](docs/opa347na-datasheet.pdf)
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