ADF4355-3BCPZ

Overview

The ADF4355-3BCPZ is a microwave wideband synthesizer with an integrated voltage-controlled oscillator (VCO) manufactured by Analog Devices Inc. It supports fractional-N and integer-N phase-locked loop (PLL) configurations. The device generates RF output frequencies ranging from 51.5625 MHz to 6600 MHz using programmable output dividers (÷1, ÷2, ÷4, ÷8, ÷16, ÷32, or ÷64). The internal VCO operates in the fundamental range of 3300 MHz to 6600 MHz. Power supplies require 3.1515 V to 3.4485 V, with typical current consumption of 75 mA. It features a 3-wire serial interface, programmable charge pump currents, and dual differential/single-ended reference inputs compatible with LVDS/LVPECL.

Feature Summary

• Wide frequency coverage: 51.5625 MHz to 6600 MHz RF output; 3300 MHz to 6600 MHz fundamental VCO
• High-resolution 38-bit modulus for precise fractional-N synthesis
• Programmable output power levels and mute function for isolation control
• Low phase noise performance with integrated RMS jitter of 200 fs

Applications

• Wireless infrastructure (W-CDMA, TD-SCDMA, WiMAX, GSM, PCS, DCS, DECT)
• Point-to-point and point-to-multipoint microwave links
• Satellites and VSAT systems
• Test equipment and instrumentation clock generation

Procurement Notes

Verify component authenticity through authorized Analog Devices distributors. Confirm RoHS compliance status and moisture sensitivity level (MSL 3) prior to assembly. Ensure proper ESD handling procedures are followed during storage and installation due to the high sensitivity of the CMOS/Bipolar circuitry.

Selection Notes

Select this model when applications require a wide tuning range up to 6.6 GHz with integrated VCO capabilities. Consider the 38-bit modulus resolution for fine channel spacing requirements. Ensure external loop filter design accommodates the programmable charge pump currents (0.3 mA to 4.8 mA) and reference input modes (single-ended or differential LVDS/LVPECL).

Part Context

The ADF4355-3BCPZ belongs to the ADF4355 family of microwave synthesizers. It shares architectural similarities with the standard ADF4355 but is optimized for specific frequency ranges and performance characteristics. The 'BCPZ' suffix indicates a lead-free LFCSP-32 package variant compliant with environmental standards.

Replacement Considerations

ADF4355BCPZ offers similar functionality but may differ in specific frequency optimization or revision details. ADF5355BCPZ provides extended frequency range up to 14 GHz. Verify register compatibility and pinout alignment before substitution.