AD6635BB

Overview

The AD6635BB is a multi-mode, eight-channel digital Receive Signal Processor (RSP) manufactured by Analog Devices Inc. It is capable of processing up to four WCDMA channels simultaneously. The device operates at a sampling rate of 80 MSPS and is designed for RF receiver applications. It features a quad mixer architecture and is housed in a 324-pin PBGA package measuring 19x19 mm. The component supports multiple cellular standards including CDMA2000, EDGE, GPRS, and GSM.

Feature Summary

• Multi-mode digital receive signal processing capability
• Supports up to four simultaneous WCDMA channels
• Integrated quad mixer architecture for RF signal handling
• High-speed 80 MSPS sampling rate operation

Applications

• WCDMA base station receivers
• CDMA2000 mobile communication systems
• GSM and GPRS network infrastructure
• EDGE cellular technology implementations

Procurement Notes

Verify the current lifecycle status as the AD6635BB is listed as obsolete in available distributor records. Confirm availability through authorized channels or secondary markets if production units are required. Ensure compatibility with existing system designs given the component's discontinued status. Request original manufacturer documentation to validate specifications before integration into new hardware projects.

Selection Notes

Select this component for applications requiring integrated digital processing of multiple wideband code division multiple access channels. Consider the 324-pin BGA package constraints during PCB layout design. Evaluate the 80 MSPS throughput against system bandwidth requirements. Verify support for specific cellular protocols such as WCDMA, CDMA2000, or GSM within the target application environment.

Part Context

The AD6635BB belongs to the AD6635 family of digital receive signal processors from Analog Devices. These components are engineered to simplify RF front-end designs by integrating multiple functions into a single chip. The series targets high-performance wireless infrastructure, enabling reduced component count and improved signal integrity in complex multi-standard communication systems.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Due to the obsolete lifecycle status, direct replacements may require redesigning the PCB footprint or adapting the software interface. Consult Analog Devices technical support for potential modern equivalents or alternative solutions compatible with the required channel count and sampling rates.