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LF347DT
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STMicroelectronics FET InputAmplifiers, SOIC-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+57@@ -0,0 +1,57 @@+# LF347DT++**STMicroelectronics** · FET InputAmplifiers · SOIC-14++LF347DT from STMicroelectronics, in a SOIC-14. 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 | OUT1 | output | Output of op-amp 1. |+| 2 | IN1- | input | Inverting input of op-amp 1. High-impedance JFET input. |+| 3 | IN1+ | input | Non-inverting input of op-amp 1. High-impedance JFET input. |+| 4 | VCC+ | power_in | Positive supply voltage. Absolute maximum +/-18 V (LF347: split supplies typ. +/-15 V). Shared by all four amplifiers. |+| 5 | IN2+ | input | Non-inverting input of op-amp 2. High-impedance JFET input. |+| 6 | IN2- | input | Inverting input of op-amp 2. High-impedance JFET input. |+| 7 | OUT2 | output | Output of op-amp 2. |+| 8 | OUT3 | output | Output of op-amp 3. |+| 9 | IN3- | input | Inverting input of op-amp 3. High-impedance JFET input. |+| 10 | IN3+ | input | Non-inverting input of op-amp 3. High-impedance JFET input. |+| 11 | VCC- | power_in | Negative supply voltage. Absolute maximum +/-18 V (LF347: split supplies typ. +/-15 V). Shared by all four amplifiers. |+| 12 | IN4+ | input | Non-inverting input of op-amp 4. High-impedance JFET input. |+| 13 | IN4- | input | Inverting input of op-amp 4. High-impedance JFET input. |+| 14 | OUT4 | output | Output of op-amp 4. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | SOIC-14 |+| Category | Op-amp/Cmp |+| Pins | 14 |++## Ordering variants++Same part, different packaging or reel option.++- `LF347DTD`+- `LF347DT`+- `LF347DTN`++## CAD (KiCad official)++- Symbol: `LF347DT`+- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`+- 3D model: SOIC-14 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](docs/lf347dt-datasheet.pdf) (10 pp, sha256 `556fb7d5f3029d7c`, 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](docs/lf347dt-datasheet.pdf)
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