Overview
The AD9545BCPZ, produced by Analog Devices Inc., is a highly advanced clock synchronizer and jitter cleaner IC designed to meet the stringent timing requirements of various telecommunications and networking applications. This device supports synchronization of up to 10 clock outputs to any one of four input references, utilizing digital phase-locked loops (DPLLs) to minimize timing jitter. It operates on a single 1.8 V power supply with internal regulation and includes built-in temperature monitoring and compensation for enhanced performance.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 48-lead LFCSP (7 mm × 7 mm) |
| Operating Temperature | −40°C to +85°C |
| Supply Voltage | 1.8 V |
| Supply Current | Varying based on configuration, see datasheet for details |
| Power Dissipation | Varying based on configuration, see datasheet for details |
| Number of Clock Outputs | 10 |
| Input Reference Frequency Range | 1 Hz to 750 MHz |
| Number of Input References | Up to 4 |
Key Features
- Dual DPLL synchronizes 1 Hz to 750 MHz physical layer clocks
- Single 1.8 V power supply operation with internal regulation
- Built-in temperature monitor and alarm, and temperature compensation for enhanced zero delay performance
- Support for ITU standards including ITU-G.8262, ITU-T G.812, ITU-T G.813, ITU-T G.823, ITU-T G.824, ITU-T G.825, and ITU-T G.8273.2
- Jitter cleanup and phase transient control
- JESD204B support for ADC and DAC clocking
- Forced freerun and holdover modes
Applications
- Global positioning system (GPS), PTP (IEEE 1588), and synchronous Ethernet (SyncE) jitter cleanup and synchronization
- Optical transport networks (OTN), synchronous digital hierarchy (SDH), and macro and small cell base stations
- Small base station clocking, including baseband and radio
- Stratum 2, Stratum 3e, and Stratum 3 holdover, jitter cleanup, and phase transient control
- Cable infrastructures and Carrier Ethernet
Q & A
- What is the primary function of the AD9545BCPZ?
The AD9545BCPZ is a clock synchronizer and jitter cleaner IC, designed to synchronize multiple clock outputs to input references while minimizing timing jitter. - What is the operating voltage of the AD9545BCPZ?
The AD9545BCPZ operates on a single 1.8 V power supply with internal regulation. - How many clock outputs does the AD9545BCPZ support?
The AD9545BCPZ supports up to 10 clock outputs. - What is the temperature range for the AD9545BCPZ?
The AD9545BCPZ operates over a temperature range of −40°C to +85°C. - Which ITU standards does the AD9545BCPZ support?
The AD9545BCPZ supports various ITU standards including ITU-G.8262, ITU-T G.812, ITU-T G.813, ITU-T G.823, ITU-T G.824, ITU-T G.825, and ITU-T G.8273.2. - What are some common applications of the AD9545BCPZ?
Common applications include GPS, PTP, synchronous Ethernet, OTN, SDH, macro and small cell base stations, and cable infrastructures. - Does the AD9545BCPZ support JESD204B?
Yes, the AD9545BCPZ supports JESD204B for ADC and DAC clocking. - What is the package type of the AD9545BCPZ?
The AD9545BCPZ is available in a 48-lead LFCSP (7 mm × 7 mm) package. - Does the AD9545BCPZ have built-in temperature monitoring?
Yes, the AD9545BCPZ includes built-in temperature monitoring and alarm, and temperature compensation for enhanced zero delay performance. - What are the forced modes available in the AD9545BCPZ?
The AD9545BCPZ supports forced freerun and holdover modes.
