Microchip’s 5 GHz RF Power Amplifier for New IEEE 802.11ac Wi-Fi

Additionally, the SST11CP16 provides low operating current of 360 mA at 22 dBm, which enables more transmission channels at a higher data rate, per system. To conserve space, this PA is offered in a 3x3x.45 mm, 16-pin QFN package.

In-Stat predicts that one billion 802.11ac products will ship by 2015. The SST11CP16’s low EVM and high linear power provide an attractive option for set-top boxes, routers, access points and other Wi-Fi devices that require data rates of up to 3 Gbps for applications such as wireless streaming video. Additional features of this new PA include a 50 ohm on-chip input match and simple output match for ease of use and smaller board sizes. Additionally, the SST11CP16 includes a linear power detector that is temperature-stable and insensitive to voltage standing wave ratios.

“The SST11CP16 builds on Microchip’s industry-leading portfolio of InGap/GaAs HBT-based power amplifiers by providing high output power with extra-low EVM and the same reliable operation over temperature,” said Daniel Chow, vice president of Microchip’s Radio Frequency Division. “In conjunction with high-efficiency operation, this new power amplifier can significantly extend the range of 802.11ac systems.”