Product Description
The RF5521 is designed specifically for high-performance WiFi applications in the 2.4GHz to 2.5GHz ISM band, including Personal Media Players (PMPs), digital cameras, and WiFi enabled handsets.
The RF5521 integrates the LNA with bypass and an SP3T switch of a Front-End solution for WiFi and Bluetooth® combination systems. The integrated input and output match reduces the number of external components, keeping cost down and utilizing minimum layout area for implementation. The RF5521 is provided in an ultra small 1.75 mmx1.75mmx0.5mm 10-pin QFN package. This LNA+Switch frontend solution meets or exceeds the specification requirements of IEEE 802.11 b/g/n WiFi RF systems.

FEATUREs
◾ Single Supply Voltage 3.0V to
   4.5V
◾ Integrated SP3T Switch and
   LNA with Bypass
◾ Typical gain is 12dB and
   2.0dB NF in RX Mode Pin-to-Pin

APPLICATIONs
◾ IEEE802.11b/g/n WiFi Applications
◾ Portable Battery-Powered
   Equipment
◾ WiFi/Bluetooth®
   Combination Devices