Overview
The AD9572ACPZPEC-R7 is a high-performance, multioutput clock generator IC designed by Analog Devices Inc. This component is optimized for fiber channel line card applications and includes an Ethernet interface. It features two on-chip PLL (Phase-Locked Loop) cores, which are part of Analog Devices' proven portfolio of high-performance, low-jitter frequency synthesizers. The AD9572 is designed to maximize network performance, particularly in applications with demanding phase noise and jitter requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Frequency | 25 MHz | - |
| Maximum Output Frequency | 156.25 MHz | - |
| Output Formats | LVPECL or LVDS | - |
| Number of Clock Outputs | 7 | - |
| Supply Voltage | 3.3 V | V |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | 40-lead LFCSP (6 mm × 6 mm) | - |
| Power Dissipation (LVDS) | 0.71 W | W |
| Power Dissipation (LVPECL) | 1.07 W | W |
Key Features
- Fully integrated dual VCO/PLL cores with low noise phase frequency detector (PFD), precision charge pump (CP), and low phase noise voltage controlled oscillator (VCO).
- Low jitter performance: 0.22 ps rms jitter from 0.637 MHz to 10 MHz at 106.25 MHz, and 0.19 ps rms jitter from 1.875 MHz to 20 MHz at 156.25 MHz.
- Preset divide ratios for various output frequencies (e.g., 106.25 MHz, 156.25 MHz, 33.33 MHz, 100 MHz, 125 MHz).
- No external loop filter components required, conserving design time and board space.
- Integrated loop filters and copy of reference clock output.
- Configurable via strapping pins.
Applications
- Fiber channel line cards, switches, and routers.
- Gigabit Ethernet and PCIe support.
- Other applications with demanding phase noise and jitter requirements).
Q & A
- What is the primary function of the AD9572ACPZPEC-R7? The AD9572ACPZPEC-R7 is a multioutput clock generator IC with two on-chip PLL cores, optimized for fiber channel and Ethernet applications.
- What are the supported output formats of the AD9572ACPZPEC-R7? The AD9572ACPZPEC-R7 supports LVPECL or LVDS output formats.
- What is the maximum output frequency of the AD9572ACPZPEC-R7? The maximum output frequency is 156.25 MHz.
- What is the operating temperature range of the AD9572ACPZPEC-R7? The operating temperature range is -40°C to +85°C.
- What is the package type of the AD9572ACPZPEC-R7? The package type is a 40-lead LFCSP (6 mm × 6 mm).
- Does the AD9572ACPZPEC-R7 require external loop filter components? No, it does not require external loop filter components.
- What are the typical power dissipation values for the AD9572ACPZPEC-R7? The power dissipation is 0.71 W for LVDS operation and 1.07 W for LVPECL operation.
- What are some of the key applications of the AD9572ACPZPEC-R7? Key applications include fiber channel line cards, switches, routers, and Gigabit Ethernet/PCIe support.
- How is the AD9572ACPZPEC-R7 configured? The AD9572ACPZPEC-R7 is configured via strapping pins.
- What are the jitter performance specifications of the AD9572ACPZPEC-R7? The AD9572ACPZPEC-R7 has low jitter performance, such as 0.22 ps rms jitter from 0.637 MHz to 10 MHz at 106.25 MHz.
