AD9543BCPZ-REEL7

Overview

The AD9543BCPZ-REEL7 is a quad-input, 10-output dual digital phase-locked loop (DPLL) synchronizer and jitter cleaner manufactured by Analog Devices Inc. It operates on a single 1.8 V supply within the -40°C to +85°C temperature range. The device features two independent DPLLs capable of synthesizing frequencies from 2 kHz to 750 MHz with programmable loop bandwidths ranging from 10⁻⁴ Hz to 1850 Hz. It provides ten clock outputs supporting LVDS, HCSL, and CML formats at frequencies up to 500 MHz. The component utilizes a 48-lead LFCSP package and includes auxiliary numerically controlled oscillators for IEEE 1588 Version 2 servo feedback.

Feature Summary

• Dual DPLL architecture supports frequency translation and jitter cleaning for references up to 750 MHz.
• Ten output channels configurable as differential LVDS/HCSL/CML or single-ended signals up to 500 MHz.
• Integrated auxiliary NCOs provide sub-picohertz resolution for precise IEEE 1588 synchronization.
• Supports autonomous initialization via external EEPROM and continuous reference validation.

Applications

• PTP (IEEE 1588) and Synchronous Ethernet jitter cleanup and synchronization
• Optical transport networks (OTN), SDH, and macro/small cell base station clocking
• Stratum 2, Stratum 3e, and Stratum 3 holdover and phase transient control
• JESD204B support for analog-to-digital converter (ADC) and digital-to-analog converter (DAC) clocking

Procurement Notes

Verify that the REEL7 suffix corresponds to the specific tape-and-reel packaging configuration required for automated assembly processes. Confirm that the B-grade temperature rating (-40°C to +85°C) aligns with the operational environment specifications. Ensure compatibility with the 48-lead LFCSP footprint during PCB layout verification.

Selection Notes

Select this component when dual independent DPLL cores are required for simultaneous frequency synthesis and jitter reduction. Verify that the input reference frequencies fall within the supported 2 kHz to 750 MHz range. Evaluate power dissipation requirements against the maximum 813 mW specification under full block operation conditions.

Part Context

This part belongs to the AD9543 family of clock synchronizers designed for high-performance timing applications. The REEL7 designation indicates bulk reel packaging intended for surface-mount technology (SMT) manufacturing lines. It serves as a core timing engine for carrier infrastructure and optical networking equipment requiring strict adherence to ITU-T and Telcordia standards.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Cross-reference with other Analog Devices clock synchronizers only if pinout and electrical parameters match exactly.