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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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Product Summary

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Specifications

Product LifecycleIn Production

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)

P_{1 dB} (dBm)+31

V_CC (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)

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