Overview
The ADCLK946BCPZ is an ultrafast clock fanout buffer manufactured by Analog Devices Inc. using their proprietary XFCB3 silicon germanium (SiGe) bipolar process. This device is designed for high-speed applications that require low jitter, making it suitable for various demanding environments such as wireless infrastructure, instrumentation, networking, and more.
The ADCLK946BCPZ features a differential input with center-tapped, differential, 100 Ω on-chip termination resistors. It accepts a variety of input signals including dc-coupled LVPECL, CML, 3.3 V CMOS (single-ended), and ac-coupled 1.8 V CMOS, LVDS, and LVPECL inputs. The device also includes a VREF pin for biasing ac-coupled inputs.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADCLK946BCPZ |
| Package | 24-Lead LFCSP (4mm x 4mm w/ EP) |
| Operating Frequency | Up to 4.8 GHz |
| Random Jitter | 75 fs rms broadband random jitter |
| Input Types | DC-coupled LVPECL, CML, 3.3 V CMOS (single-ended), AC-coupled 1.8 V CMOS, LVDS, LVPECL |
| Output Drivers | Six full-swing ECL output drivers |
| Output Voltage Swing | 1.6 V differential output swing |
| Power Supply | 3.3 V |
| Temperature Range | −40°C to +85°C |
Key Features
- Ultrafast clock fanout buffer with low jitter performance
- Six full-swing emitter-coupled logic (ECL) output drivers
- On-chip input terminations with center-tapped, differential, 100 Ω resistors
- Supports various input types: DC-coupled LVPECL, CML, 3.3 V CMOS (single-ended), AC-coupled 1.8 V CMOS, LVDS, LVPECL
- VREF pin available for biasing AC-coupled inputs
- Designed to minimize added random jitter over a wide input slew rate range
- Operates over the standard industrial temperature range of −40°C to +85°C
Applications
- Low jitter clock distribution
- Clock and data signal restoration
- Level translation
- Wireless communications
- Wired communications
- Medical and industrial imaging
- ATE (Automated Test Equipment) and high-performance instrumentation
Q & A
- What is the ADCLK946BCPZ used for?
The ADCLK946BCPZ is used as an ultrafast clock fanout buffer for high-speed applications requiring low jitter.
- What is the operating frequency of the ADCLK946BCPZ?
The ADCLK946BCPZ operates up to 4.8 GHz.
- What types of inputs does the ADCLK946BCPZ support?
The device supports DC-coupled LVPECL, CML, 3.3 V CMOS (single-ended), and AC-coupled 1.8 V CMOS, LVDS, and LVPECL inputs.
- How many output drivers does the ADCLK946BCPZ have?
The ADCLK946BCPZ features six full-swing ECL output drivers.
- What is the differential output voltage swing of the ADCLK946BCPZ?
The differential output voltage swing is 1.6 V.
- What is the power supply voltage for the ADCLK946BCPZ?
The power supply voltage is 3.3 V.
- What is the temperature range for the ADCLK946BCPZ?
The device operates over the standard industrial temperature range of −40°C to +85°C.
- What package type is the ADCLK946BCPZ available in?
The ADCLK946BCPZ is available in a 24-Lead LFCSP package.
- What are some common applications of the ADCLK946BCPZ?
Common applications include low jitter clock distribution, clock and data signal restoration, level translation, wireless and wired communications, medical and industrial imaging, and ATE and high-performance instrumentation.
- How does the ADCLK946BCPZ minimize jitter?
The device is specifically designed to minimize added random jitter over a wide input slew rate range.
