**The ADCLK950BCPZ: A 3 V, 5 GHz 1:5 LVDS Fanout Buffer for High-Speed Clock and Data Distribution**
In the realm of high-speed digital systems, the precise distribution of clock and timing signals is paramount. As data rates push into the multi-gigabit range, the integrity of these signals becomes increasingly critical. The **ADCLK950BCPZ** from Analog Devices stands as a pivotal solution, engineered specifically to address the challenges of **fanning out high-frequency signals** with minimal added jitter and exceptional phase consistency.
This integrated circuit is a **1:5 LVDS fanout buffer**, meaning it accepts a single Low-Voltage Differential Signaling (LVDS) input and replicates it across five identical LVDS outputs. Its operation from a **single 3.3 V power supply** makes it highly suitable for modern, power-conscious system designs. The device's most impressive specification is its **maximum operating frequency of 5 GHz**, placing it at the forefront of performance for clock distribution ICs. This capability ensures it can handle the most demanding clock signals in applications such as high-speed data converters, optical networking, and advanced radar systems.
The core value of the ADCLK950BCPZ lies in its ability to **maintain signal integrity**. It features **additive jitter performance of just 28 fs** (typical, in the 12 kHz to 20 MHz range), which is remarkably low. This ultra-low jitter is crucial because any timing uncertainty added by the buffer directly impacts the overall system's bit error rate (BER) and performance. Furthermore, the device boasts excellent channel-to-channel output skew of less than 5 ps and part-to-part skew of less than 25 ps. This ensures that all five output signals are **precisely aligned in phase**, a non-negotiable requirement for synchronizing multiple components across a large board.
Beyond its stellar AC performance, the ADCLK950BCPZ incorporates several features that enhance system design flexibility and robustness. It includes an input termination disable function, allowing the input to be AC- or DC-coupled, and an output disable pin that can tri-state all outputs, simplifying system power-up sequences and testing. The LVDS outputs provide a common-mode voltage that is compliant with both LVDS and LVPECL inputs, offering broad interoperability with other components.
In practical application, this fanout buffer acts as the central hub for clock or data distribution, ensuring that a pristine source signal is delivered **simultaneously to multiple destinations**—such as FPGAs, ASICs, or data converters—without degradation. This prevents timing bottlenecks and is essential for maximizing the performance of the entire digital signal chain.
**ICGOOODFIND**
The ADCLK950BCPZ is an exceptional high-performance LVDS fanout buffer that sets a high standard with its 5 GHz bandwidth, ultra-low additive jitter, and precise output skew. It is an indispensable component for architects of high-speed systems where timing fidelity is the cornerstone of performance.
**Keywords:**
1. **Fanout Buffer**
2. **5 GHz**
3. **LVDS**
4. **Signal Integrity**
5. **Jitter Performance**
