LF347DR

@@ -0,0 +1,58 @@+# LF347DR++**Texas Instruments** · FET InputAmplifiers · SOIC-14++LF347DR from Texas Instruments, 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 | 1OUT | output | Output pin of amplifier 1. Maximum peak output voltage swing ±13.5 V typical into RL = 10 kΩ. |+| 2 | 1IN- | input | Inverting input pin of amplifier 1. JFET input with typical input bias current of 50 pA and input resistance of 10^12 Ω. |+| 3 | 1IN+ | input | Noninverting input pin of amplifier 1. JFET input with typical input bias current of 50 pA and input resistance of 10^12 Ω. |+| 4 | VCC+ | power_in | Positive supply voltage. Recommended operating range 3.5 V to 18 V; absolute maximum 18 V. Typical supply current 8 mA. |+| 5 | 2IN+ | input | Noninverting input pin of amplifier 2. JFET input with typical input bias current of 50 pA. |+| 6 | 2IN- | input | Inverting input pin of amplifier 2. JFET input with typical input bias current of 50 pA. |+| 7 | 2OUT | output | Output pin of amplifier 2. Maximum peak output voltage swing ±13.5 V typical into RL = 10 kΩ. |+| 8 | 3OUT | output | Output pin of amplifier 3. Maximum peak output voltage swing ±13.5 V typical into RL = 10 kΩ. |+| 9 | 3IN- | input | Inverting input pin of amplifier 3. JFET input with typical input bias current of 50 pA. |+| 10 | 3IN+ | input | Noninverting input pin of amplifier 3. JFET input with typical input bias current of 50 pA. |+| 11 | VCC- | power_in | Negative supply voltage. Recommended operating range -3.5 V to -18 V; absolute maximum -18 V. |+| 12 | 4IN+ | input | Noninverting input pin of amplifier 4. JFET input with typical input bias current of 50 pA. |+| 13 | 4IN- | input | Inverting input pin of amplifier 4. JFET input with typical input bias current of 50 pA. |+| 14 | 4OUT | output | Output pin of amplifier 4. Maximum peak output voltage swing ±13.5 V typical into RL = 10 kΩ. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-14 |+| Category | Op-amp/Cmp |+| Pins | 14 |++## Ordering variants++Same part, different packaging or reel option.++- `LF347DRD`+- `LF347DRBD`+- `LF347DRN`+- `LF347DRBN`++## CAD (KiCad official)++- Symbol: `LF347DR`+- 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:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/lf347.pdf) (22 pp, sha256 `2ae820672c857470`, 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](docs/lf347dr-datasheet.pdf)

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