HMC542BLP4E

Attenuators - Digital - SMT HMC542BLP4E v00.1212 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL SERIAL CONTROL ATTENUATOR, DC - 4 GHz Typical Applications The HMC542BLP4E is ideal for: Cellular/PCS/3G Infrastructure ISM, MMDS, WLAN, WiMAX, & WiBro Microwave Radio & VSAT Test Equipment and Sensors Functional Diagram Features 0.5 dB LSB Steps to 31.5 dB TTL/CMOS Compatible Serial Data Interface SPI Compatible Serial Output ± 0.25 dB Typical Step Error Single +5V Supply 24 Lead 4x4 mm QFN Package: 16 mm² General Description The HMC542BLP4E is a broadband 6-bit GaAs IC digital attenuator with a CMOS compatible serial to parallel driver in low cost leadless surface mount package. This serial control digital attenuator incorp rates off chip AC ground capacitors for near DC operation, making it suitable for a wide variety of RF and IF applications. Covering DC to 4 GHz, the insertion loss is 1.7 dB and the attenuator bit values are 0.5 (LSB), 1, 2, 4, 8, and 16 dB for a total attenua...