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Attenuators - DIGITAL - SMT
OBSOLETE
HMC305ALP4 / 305ALP4E
v02.0311
0.5 dB LSB GaAs MMIC 5-BIT SERIAL
CONTROL DIGITAL ATTENUATOR, 0.7 - 3.8 GHz
8 Typical Applications
Features
The HMC305ALP4(E) is ideal for: • Cellular/3G Infrastructure • Fixed Wireless, WiMax & WiBro • Test Instrumentation
0.5 dB LSB Steps to 15.5 dB CMOS Compatible Serial Data Interface SPI Compatible Serial Output ±0.3 dB Typical Bit Error 24 Lead 4x4mm QFN Package: 16mm² Included in the HMC-DK004 Designer’s Kit
Functional Diagram
General Description
The HMC305ALP4(E) is a broadband 5-bit positive control GaAs IC digital attenuator with CMOS compatible serial-to-parallel driver package in a leadless QFN 4x4 mm SMT package. Covering 0.7 to 3.8 GHz, the insertion loss is typically less than 1.5 to 2 dB.