RF5521

RF5521 3.3V, SWITCH AND LNA FRONT END MODULE Package Style: QFN, 10-pin, 1.75mmx1.75mmx0.5mm C_B T 10 BT 9 Features  Single Supply Voltage 3.0V to 4.5 V  Integrated SP3T Switch and LNA with Bypass  Typical gain is 12dB and 2.0dB NF in RX Mode Pin-toPin Applications  IEEE802.11b/g/n WiFi Applications  Portable Battery-Powered Equipment  WiFi/Bluetooth® Combination Devices ANT 1 8 Vdd C_RX 2 7 RX_Out C_TX 3 6 LNA_EN 4 TX_in 5 NC Functional Block Diagram 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. Ordering Information RF5521 RF5521SR RF5521TR7 RF5521PCK-410 Standard 25 piece bag Standard 100 piece reel Standard 2500 piece reel Fully Assembled Evaluation Board DS130715 RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are tra...