component
SKY65111-348LF
Public Made by Adomby adom
Skyworks Solutions RF Amplifiers, TQFN-16-EP(3x3). Pinout cross-checked by two models against 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
markdownSKY65111-348LF
Skyworks Solutions · RF Amplifiers · TQFN-16-EP(3x3)
SKY65111-348LF from Skyworks Solutions, in a TQFN-16-EP(3x3). 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 | GND | power_in | Ground pin that must be connected to the PCB common ground plane with the lowest possible impedance. |
| 2 | RF IN | input | RF input port, which the application circuit matches with a DC-blocking capacitor and a series capacitor (C25) placed as close to the pin as possible to achieve return loss better than -11 dB across 800-1100 MHz. |
| 3 | GND | power_in | Ground pin that must be connected to the PCB common ground plane with the lowest possible impedance. |
| 4 | VCC1 | power_in | DC supply input (collector bias) for the first gain stage, with a supply range of 2.5 V to 5 V (3.5 V nominal) and a 5.5 V absolute maximum for VCC and VREF. |
| 5 | VAPC1 | input | Analog power control voltage for gain stages 1 and 2, with a nominal range of 2.6 V to 2.8 V, 0 V forcing those stages into standby, and a 3.0 V absolute maximum. |
| 6 | VAPC2 | input | Analog power control voltage for gain stage 3, with a nominal range of 2.6 V to 2.8 V, 0 V placing that stage into standby, and a 3.0 V absolute maximum. |
| 7 | VREF | power_in | Bias reference voltage for gain stages 2 and 3, to be operated over the same voltage range as VCC with a nominal value of 3.5 V. |
| 8 | GND | power_in | Ground pin that must be connected to the PCB common ground plane with the lowest possible impedance. |
| 9 | RF OUT/VCC3 | output | RF output and DC bias input (collector) for the third gain stage, fed through a transmission line and requiring the specified bypass and output matching capacitors; the datasheet does not state an electrical limit for this pin. |
| 10 | RF OUT/VCC3 | output | RF output and DC bias input (collector) for the third gain stage, fed through a transmission line and requiring the specified bypass and output matching capacitors; the datasheet does not state an electrical limit for this pin. |
| 11 | RF OUT/VCC3 | output | RF output and DC bias input (collector) for the third gain stage, fed through a transmission line and requiring the specified bypass and output matching capacitors; the datasheet does not state an electrical limit for this pin. |
| 12 | RF OUT/VCC3 | output | RF output and DC bias input (collector) for the third gain stage, fed through a transmission line and requiring the specified bypass and output matching capacitors; the datasheet does not state an electrical limit for this pin. |
| 13 | OPEN | unconnected | No connection; leave this pin open and do not connect it to ground. |
| 14 | GND | power_in | Ground pin that must be connected to the PCB common ground plane with the lowest possible impedance. |
| 15 | VCC2 | power_in | DC supply input (collector bias) for the second gain stage, with the same supply range as VCC (2.5 V to 5 V, 3.5 V nominal). |
| 16 | VCC2 | power_in | DC supply input (collector bias) for the second gain stage, with the same supply range as VCC (2.5 V to 5 V, 3.5 V nominal). |
| 17 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Skyworks Solutions |
| Package | TQFN-16-EP(3x3) |
| Category | RF And Wireless |
| Pins | 17 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply voltage | VCC | 2.5 | 3.5 | 5 | V | 2 | |
| Power control voltage | VAPC | 0 | 2.7 | 2.8 | V | 2 | |
| Critical gain | /S21/ | 36 | dB | 902-928 MHz, -30 dBm input | 2 | ||
| Saturated power | PSAT | 30 | dBm | 915 MHz | 2 | ||
| Frequency range | F | 800 | 1100 | MHz | 3 | ||
| Supply voltage (VCC & VREF) | 5.5 | V | 2 | ||||
| Power control voltage (VAPC1 & VAPC2) | 3 | V | 2 | ||||
| RF input power | 10 | dBm | 2 | ||||
| Operating temperature | -40 | 85 | °C | 2 | |||
| Storage temperature | -65 | 85 | °C | 2 |
CAD (KiCad official)
- Symbol:
SKY65111-348LF - Footprint:
Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm - 3D model: TQFN-16-EP(3x3) (KiCad packages3D, STEP)
- 3D model files:
sky65111-348lf-etched.step/sky65111-348lf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sky65111-348lf.step/sky65111-348lf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Skyworks Solutions datasheet (16 pp, sha256
0144527df4eb87b6, retrieved 2026-10-19, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).