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HMC629LP4 / HMC629LP4E

4-Bit Digital Serial & Parallel Control Atten. SMT, DC - 6 GHz

Product Details

Data Sheet
Application Notes
Package Layout
S-Parameters
Tape & Reel
ECCN: EAR99

Quality & Reliability

Environmental Data Sheet
Qualification Test Reports

Press & Media

Designer & Eval Kits
Product Press Release
Freq. (GHz) Function Loss (dB) Atten. Range (dB) IIP3 (dBm) Control Input (Vdc) Package
DC - 6 4-Bit Digital, Serial & Parallel Control 2.5 3 to 45 50 0/ +5V LP4

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

Typical Applications

• Cellular/3G Infrastructure
• WiBro/WiMAX/4G
• Microwave Radio & VSAT
• Test Equipment and Sensors
• IF & RF Applications
 

 

Functional Diagram


 

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 require only 33 dB of attenuation range, the HMC629LP4(E) provides excellent attenuation accuracy up to 10 GHz. The HMC629LP4(E) is housed in a RoHS compliant 4x4 mm QFN leadless package, and requires no external matching components.