Overview
The ADCLK944BCPZ-WP is an ultrafast clock fanout buffer produced by Analog Devices Inc. It is fabricated on the proprietary XFCB3 silicon germanium (SiGe) bipolar process, which enables high-speed applications with low jitter. This device is designed to distribute clock signals efficiently, making it suitable for various high-frequency applications. The ADCLK944BCPZ-WP is available in a 16-lead LFCSP package and operates over the standard industrial temperature range of -40°C to +85°C.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Supply Voltage (VCC - VEE) | 2.5 V to 3.3 V ± 10% | |
| Operating Temperature | -40°C to +85°C | |
| Input Types | LVPECL, CML, 3.3 V CMOS (single-ended), 1.8 V CMOS, LVDS, ac-coupled LVPECL | |
| Input Termination | Center-tapped, differential, 100 Ω on-chip termination resistors | |
| Output Type | Four full-swing LVPECL outputs | |
| Output Voltage Swing | 800 mV into 50 Ω | VCC - 2 V termination |
| Maximum Frequency | Up to 7 GHz | |
| Package Type | 16-lead LFCSP (3x3 mm) |
Key Features
- Ultrafast clock fanout buffer with low jitter performance.
- Supports various input types including LVPECL, CML, 3.3 V CMOS, 1.8 V CMOS, LVDS, and ac-coupled LVPECL.
- Center-tapped, differential, 100 Ω on-chip termination resistors for input signals.
- Four full-swing LVPECL output drivers capable of driving 800 mV into 50 Ω loads.
- Operates over a wide temperature range (-40°C to +85°C).
- Exposed metal paddle for thermal enhancement and electrical connection.
Applications
- High-speed data transmission systems.
- Telecommunication equipment.
- Networking and data center infrastructure.
- High-frequency test and measurement equipment.
- Wireless communication systems.
Q & A
- What is the ADCLK944BCPZ-WP used for?
The ADCLK944BCPZ-WP is used as an ultrafast clock fanout buffer for high-speed applications requiring low jitter.
- What input types does the ADCLK944BCPZ-WP support?
The device supports LVPECL, CML, 3.3 V CMOS (single-ended), 1.8 V CMOS, LVDS, and ac-coupled LVPECL inputs.
- What is the maximum frequency the ADCLK944BCPZ-WP can handle?
The device can handle frequencies up to 7 GHz.
- What is the output type of the ADCLK944BCPZ-WP?
The device has four full-swing LVPECL output drivers.
- How should the input signals be terminated?
The input signals should be terminated using center-tapped, differential, 100 Ω on-chip termination resistors.
- What is the operating temperature range of the ADCLK944BCPZ-WP?
The device operates over the standard industrial temperature range of -40°C to +85°C.
- What package type is the ADCLK944BCPZ-WP available in?
The device is available in a 16-lead LFCSP (3x3 mm) package.
- How does the exposed metal paddle contribute to the device's performance?
The exposed metal paddle serves as both an electrical connection and a thermal enhancement, helping to dissipate heat through the PCB.
- What are some common applications of the ADCLK944BCPZ-WP?
Common applications include high-speed data transmission systems, telecommunication equipment, networking and data center infrastructure, high-frequency test and measurement equipment, and wireless communication systems.
- How should the PCB be designed to ensure proper thermal performance?
The PCB should include a grid of vias from the top layer down to the VEE power plane to provide a good thermal path for heat dissipation.
