SKY85408-11

High-Power (+23 dBm) 802.11ax Ultra-Linear WLAN Power Amplifier with Integrated Power Detector


The Skyworks SKY85408-11 is a 5 GHz Microwave Monolithic Integrated Circuit (MMIC) power amplifier (PA) with superior output power, linearity, and efficiency. These features make the SKY85408-11 ideal for Wireless Local Area Network (WLAN) IEEE 802.11ax applications.

The SKY85408-11 features an internal band-gap regulator that eliminates the need for an external reference supply. The PA is activated with a standard 1.8 V to 5.0 V low current CMOS logic signal.

The device is fabricated using Indium Gallium Phosphide (InGaP) Heterojunction Bipolar Transistor (HBT) technology. The device is internally matched and mounted in a 20-pin, 4 x 4 mm laminate surface-mount technology (SMT) package, which allows for a highly manufacturable, low-cost solution.

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Specifications

Frequency Range (GHz)5.15-5.93
Test Frequency (GHz)5.21-5.855 (with HT80 signal)
Gain Typ. (dB)35
Power Added Efficiency (%)20 (MCS7)
OIP3 (dBm)
P1 dB (dBm)+31
VCC (V)5
Quiescent Current Typ. (mA)
Noise Figure Typ. (dB)
PackageQFN, 20-pin
Package (mm)4 x 4

Features

  • Extremely linear output power of +23 dBm for IEEE 802.11ax, MCS11, HT80, DEVM –43 dB @ 5.0 V
  • Linear output power of +24 dBm for IEEE 802.11ac, MCS9, HT80, DEVM < –35 dB @ 5.0 V
  • High gain of 35 dB @ 5.0 V
  • Integrated conformal shield
  • Industry leading power-added efficiency: 20% at +26 dBm, MCS7
  • Fully matched at RF input/output ports
  • Load insensitive logarithmic power detector
  • Small footprint laminate (20-pin, 4 x 4 mm) SMT package (MSL3, 260 °C per JEDEC J-STD-020)

Product Documents

Applications

Routers and Gateways

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Set-Top Boxes

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