Texas Instruments ADCLK944BCPZ-R2 Clock Buffer, High-Speed, LFCSP Package

High-Speed Clock Buffer for Precision Timing Applications

The ADCLK944BCPZ-R2 is a high-performance, ultra-low jitter clock buffer designed to meet the stringent requirements of high-speed data acquisition systems, high-frequency communication infrastructure, and advanced instrumentation. Manufactured by Analog Devices, a globally recognized leader in precision analog technology, this device is engineered to deliver exceptional signal integrity and timing accuracy in demanding environments.

With its differential input and four LVPECL (Low Voltage Positive Emitter Coupled Logic) outputs, the ADCLK944BCPZ-R2 is optimized for clock distribution in systems requiring low additive jitter and high output-to-output skew performance. This makes it an ideal solution for engineers and system designers working on high-speed ADCs, DACs, and clock synchronization in RF and microwave systems.

Why Choose This High-Performance Clock Buffer Over Standard Alternatives?

Unlike conventional clock buffers that may introduce significant jitter and skew, the ADCLK944BCPZ-R2 offers ultra-low additive jitter of just 150 fs rms, ensuring minimal signal degradation in high-speed systems. Its differential input design supports a wide range of input types, including LVPECL, CML, and LVDS, providing flexibility in system integration. The device also features a robust output stage capable of driving 100 Ω differential loads, making it suitable for long trace or cable applications without compromising signal integrity.

Industry experts and design engineers consistently recommend this device for its reliability and performance consistency. According to a senior RF systems engineer at a leading telecom OEM, “The ADCLK944 series has become our go-to solution for clock distribution in our 5G base station designs due to its low jitter and excellent thermal stability.”

Additionally, the ADCLK944BCPZ-R2 is housed in a compact 3 mm × 3 mm 16-lead LFCSP package, making it ideal for space-constrained applications. Its wide operating temperature range of −40°C to +85°C ensures dependable operation in industrial and outdoor environments.

Technical Parameters and Specifications

• Manufacturer: Analog Devices
• Part Number: ADCLK944BCPZ-R2
• Function: Clock Buffer
• Input Type: Differential
• Output Type: 4 LVPECL
• Jitter (Additive): 150 fs rms
• Output Skew: 10 ps typical
• Operating Voltage: 3.3 V
• Package: 16-lead LFCSP (3 mm × 3 mm)
• Operating Temperature Range: −40°C to +85°C
• RoHS Compliant: Yes
• Mounting Type: Surface Mount
• Output Drive Capability: 100 Ω differential load

Typical Applications in High-Speed Systems

The ADCLK944BCPZ-R2 is widely used in applications where timing precision and signal integrity are critical. These include:

• High-speed analog-to-digital and digital-to-analog converters (ADCs and DACs)
• 5G wireless infrastructure and base stations
• High-performance test and measurement equipment
• Clock distribution in RF and microwave systems
• Data acquisition systems in industrial automation
• Medical imaging systems requiring synchronized data capture

About Analog Devices – A Trusted Name in Precision Electronics

Analog Devices (ADI) is a globally respected semiconductor manufacturer known for its innovation in analog, mixed-signal, and digital signal processing technologies. With decades of experience and a strong reputation for quality and reliability, ADI components are trusted by engineers across industries including telecommunications, aerospace, automotive, and industrial automation. The ADCLK944BCPZ-R2 is a testament to ADI’s commitment to delivering high-performance solutions for complex electronic systems.

Frequently Asked Questions (FAQ)

What is the primary function of this clock buffer?

The primary function of this device is to distribute a high-speed clock signal with minimal jitter and skew across multiple outputs, ensuring synchronized timing in high-performance systems.

Can this device be used in outdoor or industrial environments?

Yes, it supports an operating temperature range of −40°C to +85°C, making it suitable for industrial and outdoor applications where environmental conditions may vary significantly.

What types of input signals are compatible with this buffer?

The differential input design supports a variety of signal types including LVPECL, CML, and LVDS, offering flexibility in system design and integration with different clock sources.

How does this buffer improve signal integrity compared to standard options?

With an ultra-low additive jitter of 150 fs rms and tight output skew of 10 ps, it ensures high signal fidelity and timing accuracy, which are critical in high-speed data systems.

Is the ADCLK944BCPZ-R2 RoHS compliant and suitable for modern manufacturing?

Yes, it is RoHS compliant and comes in a compact surface-mount LFCSP package, making it compatible with automated assembly processes and environmentally friendly manufacturing standards.

For more information or to request a quote, visit our official website at ICManufacturer.com.