Features and Benefits
- 95 ps propagation delay
- 7.5 GHz toggle rate
- 60 ps typical output rise/fall
- 60 fs random jitter (RJ)
- On-chip terminations at both input pins
- Extended industrial temperature range: −40°C to +125°C
- 2.5 V to 3.3 V power supply (VCC − VEE)
The ADCLK905 (one input, one output), ADCLK907 (dual one input, one output), and ADCLK925 (one input, two outputs) are ultrafast clock/data buffers fabricated on the Analog Devices, Inc., proprietary XFCB3 silicon germanium (SiGe) bipolar process.
The ADCLK905/ADCLK907/ADCLK925 feature full-swing emitter coupled logic (ECL) output drivers. For PECL (positive ECL) operation, bias VCC to the positive supply and VEE to ground. For NECL (negative ECL) operation, bias VCC to ground and VEE to the negative supply.
The buffers offer 95 ps propagation delay, 7.5 GHz toggle rate, 10 Gbps data rate, and 60 fs random jitter (RJ).
The inputs have center tapped, 100 Ω, on-chip termination resistors. A VREF pin is available for biasing ac-coupled inputs.
The ECL output stages are designed to directly drive 800 mV each side into 50 Ω terminated to VCC − 2 V for a total differential output swing of 1.6 V.
The ADCLK905/ADCLK907/ADCLK925 are available in 16-lead LFCSP packages.
- Clock and data signal restoration and level shifting
- Automated test equipment (ATE)
- High speed instrumentation
- High speed line receivers
- Threshold detection
- Converter clocking
Product Lifecycle Recommended for New Designs
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
Evaluation Kits (1)
The ADCLK905/ADCLK907/ADCLK925 clock buffers are very fast, making it important to use adequate high bandwidth instruments to evaluate them. To that end, the evaluation board is fabricated using a high quality dielectric material between layers to maintain high signal integrity. Transmission line paths are kept as close to 50 Ω as possible.
Documentation & Resources
AN-501: Aperture Uncertainty and ADC System Performance (Rev. A)2/14/2015
AN-756: Sampled Systems and the Effects of Clock Phase Noise and Jitter (Rev. 0)2/14/2015
AN-769: Generating Multiple Clock Outputs from the AD9540 (Rev. 0)2/14/2015
AN-939: Super-Nyquist Operation of the AD9912 Yields a High RF Output Signal (Rev. 0)2/14/2015
AN-837: DDS-Based Clock Jitter Performance vs. DAC Reconstruction Filter Performance (Rev. 0)2/14/2015
AN-823: Direct Digital Synthesizers in Clocking Applications Time (Rev. 0)2/14/2015
AN-927: Determining if a Spur is Related to the DDS/DAC or to Some Other Source (For Example, Switching Supplies) (Rev. 0)2/14/2015
AN-873: Lock Detect on the ADF4xxx Family of PLL Synthesizers (Rev. 0)12/6/2006
AN-741: Little Known Characteristics of Phase Noise (Rev. 0)11/29/2004
Tools & Simulations
ADCLK907 IBIS Model
ADIsimCLK is the design tool developed specifically for Analog Devices' range of ultra-low jitter clock distribution and clock generation products. Whether your application is in wireless infrastructure, instrumentation, networking, broadband, ATE or other areas demanding predictable clock performance, ADIsimCLK will enable you to rapidly develop, evaluate and optimize your design.
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.
|Part Number||Material Declaration||Reliability Data||Pin/Package Drawing||CAD Symbols, Footprints & 3D Models|
|ADCLK907BCPZ-R2||Material Declaration||Reliability Data||16-Lead LFCSP (3mm x 3mm w/ EP)|
|ADCLK907BCPZ-R7||Material Declaration||Reliability Data||16-Lead LFCSP (3mm x 3mm w/ EP)|
|ADCLK907BCPZ-WP||Material Declaration||Reliability Data||16-Lead LFCSP (3mm x 3mm w/ EP)|
|Wafer Fabrication Data|
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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.