Features and Benefits
- 3 dB LSB steps to 45 dB
- Power-up state selection
- Low insertion loss: 2.25 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
The HMC629ALP4E 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. The HMC629ALP4E is housed in a RoHS compliant 4x4 mm QFN leadless package, and requires no external matching components.
- Cellular/3G infrastructure
- WiBro / WiMAX / 4G
- Microwave radio & VSAT
- Test equipment and sensors
- IF & RF applications
Product Lifecycle Recommended for New Designs
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
Tools & Simulations
ADIsimRF is an easy-to-use RF signal chain calculator. Cascaded gain, noise, distortion and power consumption can be calculated, plotted and exported for signal chains with up to 50 stages. ADIsimRF also includes an extensive data base of device models for ADI’s RF and mixed signal components.
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.
Sample & Buy
The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.