Overview
The AD9542BCPZ is a highly integrated clock generator and jitter cleaner from Analog Devices Inc. This device is designed to provide precise clock signals and synchronize multiple devices in various applications. It features dual digital phase-locked loops (DPLLs) that can synchronize physical layer clocks from 1 Hz to 750 MHz, ensuring low jitter and high stability. The AD9542BCPZ is particularly useful in systems requiring accurate timing and synchronization, such as in wireless infrastructure, instrumentation, and networking.
Key Specifications
| Specification | Value |
|---|---|
| Package Type | 48-Lead LFCSP (7mm x 7mm x 0.75mm w/ EP) |
| Operating Temperature Range | -40°C to +85°C |
| Input Frequency Range | 1 Hz to 750 MHz |
| Number of Outputs | 10 |
| Output Frequency Range | Up to 750 MHz |
| Jitter Performance | Low jitter output signal |
| DPLLs | Dual digital phase-locked loops |
Key Features
- Dual digital phase-locked loops (DPLLs) for frequency translation and jitter cleaning of noisy references.
- Supports synchronization of physical layer clocks from 1 Hz to 750 MHz.
- Low jitter output signal, even when all reference inputs fail, due to digitally controlled loop and holdover circuitry.
- 10 clock outputs synchronized to any one of up to four input references.
- Operates over a wide temperature range of -40°C to +85°C.
- Available in a compact 48-lead LFCSP package.
Applications
The AD9542BCPZ is suitable for a variety of applications that require precise timing and synchronization, including:
- Wireless infrastructure: For base stations and other wireless communication equipment.
- Instrumentation: In test and measurement equipment where accurate timing is crucial.
- Networking: For network synchronization in telecommunications and data communication systems.
- ATE (Automated Test Equipment): For ensuring precise timing in automated testing environments.
Q & A
- What is the primary function of the AD9542BCPZ?
The AD9542BCPZ is a clock generator and jitter cleaner that provides precise clock signals and synchronizes multiple devices.
- What is the operating temperature range of the AD9542BCPZ?
The operating temperature range is -40°C to +85°C.
- How many input references can the AD9542BCPZ synchronize to?
The AD9542BCPZ can synchronize to any one of up to four input references.
- What is the maximum output frequency of the AD9542BCPZ?
The maximum output frequency is up to 750 MHz.
- What type of package is the AD9542BCPZ available in?
The AD9542BCPZ is available in a 48-lead LFCSP package.
- What are some common applications of the AD9542BCPZ?
Common applications include wireless infrastructure, instrumentation, networking, and ATE (Automated Test Equipment).
- How does the AD9542BCPZ handle jitter?
The AD9542BCPZ uses dual digital phase-locked loops (DPLLs) to clean jitter from noisy references.
- What happens if all reference inputs fail?
The device continues to generate a low jitter output signal using its holdover circuitry.
- Is the AD9542BCPZ suitable for high-precision timing applications?
Yes, it is designed for applications requiring high precision and low jitter.
- Where can I find more detailed specifications and documentation for the AD9542BCPZ?
You can find detailed specifications and documentation on the Analog Devices website or through authorized distributors like Digi-Key.
