component
LF247DT
Public Made by Adomby adom
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 @@+# LF247DT++**STMicroelectronics** · FET InputAmplifiers · SOIC-14++LF247DT 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 amplifier 1. Short-circuit protected to either supply. Typical output swing ±12 V into 2 kΩ at ±15 V supplies. |+| 2 | IN1- | input | Inverting input of amplifier 1. High-impedance JFET gate (Ri ≈ 10^12 Ω). Input bias current ~20 pA typ at 25°C. |+| 3 | IN1+ | input | Non-inverting input of amplifier 1. High-impedance JFET gate. Common-mode range +15 V / -12 V (typ) at ±15 V supplies. |+| 4 | VCC+ | power_in | Positive supply rail. Operating range up to ±18 V absolute maximum. Typical operation ±15 V; supply current ~1.4 mA per amplifier. |+| 5 | IN2+ | input | Non-inverting input of amplifier 2. High-impedance JFET gate. |+| 6 | IN2- | input | Inverting input of amplifier 2. High-impedance JFET gate. |+| 7 | OUT2 | output | Output of amplifier 2. Short-circuit protected. Slew rate 16 V/µs typ, gain-bandwidth 4 MHz typ. |+| 8 | OUT3 | output | Output of amplifier 3. Short-circuit protected. |+| 9 | IN3- | input | Inverting input of amplifier 3. High-impedance JFET gate. |+| 10 | IN3+ | input | Non-inverting input of amplifier 3. High-impedance JFET gate. |+| 11 | VCC- | power_in | Negative supply rail. Absolute maximum ±18 V (bipolar) or 36 V total across VCC+/VCC-. Typical operation at ±15 V. |+| 12 | IN4+ | input | Non-inverting input of amplifier 4. High-impedance JFET gate. |+| 13 | IN4- | input | Inverting input of amplifier 4. High-impedance JFET gate. |+| 14 | OUT4 | output | Output of amplifier 4. Short-circuit protected. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | SOIC-14 |+| Category | Op-amp/Cmp |+| Pins | 14 |++## Ordering variants++Same part, different packaging or reel option.++- `LF247DTD`+- `LF247DT`+- `LF247DTN`++## CAD (KiCad official)++- Symbol: `LF247DT`+- 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/lf247dt-datasheet.pdf) (10 pp, sha256 `2e2081e9c6a90f86`, 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/lf247dt-datasheet.pdf)
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