CDLL7048 Overview
The CDLL7048 is a precision clock generator and jitter cleaner designed to provide highly stable and low-jitter clock outputs for demanding industrial and communication systems. With an integrated fractional-N PLL and programmable frequency synthesis capabilities, it supports a wide range of output frequencies with fine resolution. Its low phase noise performance and robust supply voltage tolerance make it ideal for applications requiring precise timing and synchronization. Sourcing engineers and system designers benefit from its compact package, ease of integration, and comprehensive feature set. For further details, visit IC Manufacturer.
CDLL7048 Technical Specifications
| Parameter | Specification |
|---|---|
| Input Frequency Range | 10 MHz to 800 MHz |
| Output Frequency Range | 10 MHz to 1.6 GHz |
| Phase Noise (@100 MHz, 1 kHz offset) | -130 dBc/Hz |
| Jitter (RMS typical) | 0.3 ps |
| Power Supply Voltage | 3.3 V ?? 5% |
| Power Consumption | Less than 200 mW |
| PLL Type | Fractional-N with Delta-Sigma Modulator |
| Package | 16-pin QFN 4×4 mm |
| Temperature Range | -40??C to +85??C |
CDLL7048 Key Features
- Fractional-N PLL Architecture: Enables fine frequency resolution and wide output frequency range, providing precise clock generation tailored to system needs.
- Low Phase Noise Performance: Critical for improving signal integrity in high-speed data communication and RF applications, minimizing timing errors.
- Low Power Consumption: Ensures energy-efficient operation, which is essential for portable and power-sensitive industrial systems.
- Integrated Jitter Cleaner Function: Reduces clock signal jitter, enhancing system reliability and performance in timing-critical applications.
- Compact 16-pin QFN Package: Facilitates space-saving PCB designs and simplifies thermal management.
- Wide Operating Temperature Range: Supports robust operation in harsh industrial environments.
- Programmable Output Frequencies: Allows flexible adaptation to diverse system requirements without hardware changes.
CDLL7048 Advantages vs Typical Alternatives
The device stands out by combining low phase noise and ultra-low jitter with a fractional-N PLL, offering superior frequency precision compared to traditional integer-N solutions. Its low power profile and compact package improve integration in space-constrained designs. Unlike many alternatives, it supports a broad frequency range and includes an integrated jitter cleaner, enhancing overall system timing accuracy and reliability. These advantages make it a highly effective solution for advanced synchronization needs in industrial and communication electronics.
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Typical Applications
- High-speed communications equipment requiring precise clock generation for data synchronization and signal integrity, such as base stations and network switches.
- Test and measurement instruments that demand ultra-low jitter clocks to ensure accurate timing and measurement precision.
- Industrial automation systems where robust and stable clock sources improve control system reliability and reduce timing errors.
- Broadcast and audio processing equipment benefiting from low phase noise to preserve signal quality in transmission and recording.
CDLL7048 Brand Info
This product is part of a comprehensive portfolio by a leading semiconductor manufacturer specializing in clock and timing ICs. Designed with industrial-grade reliability, it exemplifies the brand??s commitment to delivering high-performance timing solutions for complex systems. The product’s design focuses on precision, integration, and ease of use, aligned with the manufacturer??s reputation for innovation and quality in semiconductor timing devices.
FAQ
What is the input frequency range supported by this clock generator?
The device supports an input frequency range from 10 MHz up to 800 MHz, allowing compatibility with a broad spectrum of reference clock sources in various system architectures.
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How does the fractional-N PLL benefit system designers?
The fractional-N PLL architecture offers fine frequency resolution and the ability to generate a wide range of output frequencies without requiring multiple oscillators. This flexibility simplifies system design and reduces component count.
What level of jitter performance can be expected from this product?
This clock generator achieves a typical RMS jitter of approximately 0.3 picoseconds, making it suitable for high-speed data and communication systems where timing precision is critical.
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Is the device suitable for operation in industrial temperature ranges?
Yes, it operates reliably over a temperature range from -40??C to +85??C, making it well-suited for industrial and harsh environment applications.
What package options are available for this device?
The device is available in a 16-pin QFN package measuring 4×4 mm, enabling compact PCB layouts and effective thermal dissipation for demanding applications.
