RF7234

RF7234 3V TD-SCDMA/W-CDMA LINEAR PA MODULE BAND 1 AND 1880MHz TO 2025MHz Package Style: Module, 10-Pin, 3mmx3mmx1.0mm Features  TD-SCDMA and HSDPA Compliant  Low Voltage Positive Bias Supply (3.4V to 4.2V)  +28dBm Linear Output Power W-CDMA (+26.5dBm HSDPA)  +27.5dBm Output Power TD-SCDMA  High Efficiency Operation 35% at POUT=+27.5dBm (TD-SCDMA)  20% at POUT=+19.0dBm (Without DC/DC Converter)  Low Quiescent Current in Low Power Mode: 17mA  Internal Voltage Regulator Eliminates the Need for External Reference Voltage (VREF)  3-Mode Power States with Digital Control Interface  Supports DC/DC Converter Operation  Integrated Power Coupler  Integrated Blocking and Col- lector Decoupling Capacitors Applications  TD-SCDMA/HSDPA/W-CDMA Wireless Handsets and Data Cards  Dual-Mode UMTS Wireless Handsets VBAT 1 RF IN 2 VMODE1 3 VMODE0 4 VEN 5 Bias Control & PA/VMODE Enable 10 VCC 9 RF OUT 8 CPL IN 7 GND 6 CPL OUT Functional Block Diagram Product Description The RF7234 is a high-power, high-efficiency, linear power amplifier designed for use as the final RF amplifier in 3V, 50 TD-SCDMA mobile cellular equipment and spread-spectrum systems. This PA is developed for TD-SCDMA 1880MHz to 1920MHz and 2010MHz to 2025MHz frequency band, plus W-CDMA Band 1. The RF7234 has two digital control pins to select one of three power modes to optimize performance and current drain at lower power levels. The part also has an integrated directional coupler which eliminates the need for...