component
LF347DR
Public Made by Adomby adom
Texas Instruments FET InputAmplifiers, SOIC-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownLF347DR
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.
LF347DRDLF347DRBDLF347DRNLF347DRBN
CAD (KiCad official)
- Symbol:
LF347DR - Footprint:
Package_SO:SOIC-14_3.9x8.7mm_P1.27mm - 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files:
lf347dr-etched.step/lf347dr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lf347dr.step/lf347dr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (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).