HMC629LP4E

Attenuators - Digital - SMT v08.0112 Typical Applications The HMC629LP4(E) is ideal for: Cellular/3G Infrastructure WiBro / WiMAX / 4G Microwave Radio & VSAT Test Equipment and Sensors IF & RF Applications Functional Diagram HMC629LP4 / 629LP4E 3 dB LSB GaAs MMIC 4-BIT DIGITAL ATTENUATOR, DC - 6 GHz Features 3 dB LSB Steps to 45 dB Power-Up State Selection Low Insertion Loss: 2.5 dB TTL/CMOS Compatible, Serial, Parallel or Latched Parallel Control ±0.25 dB Typical Step Error Single +3V or +5V Supply 24 Lead 4x4mm SMT Package: 16mm2 General Description The HMC629LP4(E) is a broadband 4-bit GaAs IC Digital Attenuator in a low cost leadless SMT package. This versatile digital attenuator incorporates off-chip AC ground capacitors for near DC operation, making it suitable for a wide variety of RF and IF applications. The dual mode control interface is CMOS/TTL compatible, and accepts either a three wire serial input or a 4-bit parallel word. For applications which r...