Overview
The AD9559BCPZ, produced by Analog Devices Inc., is a highly advanced clock multiplier and synchronization device. It is designed to provide jitter cleanup and synchronization for various systems, including synchronous optical networks (SONET/SDH), wireless base station controllers, cable infrastructure, and data communications. This device features a dual phase-locked loop (PLL) architecture and supports up to four external input references. The AD9559BCPZ operates over an industrial temperature range of −40°C to +85°C, ensuring reliability in a wide range of environments.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Supply Voltage | 1.71 | - | 3.465 | V | - |
| Operating Temperature | -40 | - | 85 | °C | Industrial temperature range |
| Reference Input Frequency Range (Differential) | 10 | - | 750 | MHz | Sinusoidal input, LVPECL, LVDS |
| Crystal Resonator Frequency Range | 10 | - | 50 | MHz | Fundamental mode, AT cut crystal |
| Maximum Crystal Motional Resistance | - | - | 100 | Ω | - |
| Output Voltage High (VOH) @ 3.3V, IOH = 1mA | VDD3 - 0.1 | - | - | V | - |
| Rise/Fall Time (20% to 80%) @ 3.3V Strong Mode | 0.4 | - | 0.6 | ns | 10 pF load |
| Package Type | - | - | - | - | 72-lead VFQFN Exposed Pad, CSP |
| Number of Outputs | - | - | - | - | 4 |
Key Features
- Dual phase-locked loop (PLL) architecture for enhanced jitter cleanup and synchronization.
- Supports up to four external input references.
- On-chip EEPROM to store multiple power-up profiles.
- Pin program function for easy frequency translation configuration.
- Software-controlled power-down and holdover circuitry.
- Operates with LVPECL, LVDS, and sinusoidal input signals.
- Output drivers support CMOS, HSTL, and LVDS output formats.
- I2C and SPI serial interfaces for configuration and control.
Applications
- Network synchronization, including synchronous Ethernet and SDH to OTN mapping/demapping.
- Cleanup of reference clock jitter.
- SONET/SDH clocks up to OC-192, including FEC.
- Stratum 3 holdover, jitter cleanup, and phase transient control.
- Wireless base station controllers.
- Cable infrastructure.
- Data communications.
Q & A
- What is the primary function of the AD9559BCPZ?
The AD9559BCPZ is a clock multiplier and synchronization device designed to provide jitter cleanup and synchronization for various systems.
- What types of input signals does the AD9559BCPZ support?
The device supports LVPECL, LVDS, and sinusoidal input signals.
- How many external input references can the AD9559BCPZ handle?
The AD9559BCPZ can handle up to four external input references.
- What is the operating temperature range of the AD9559BCPZ?
The device operates over an industrial temperature range of −40°C to +85°C.
- What types of output formats are supported by the AD9559BCPZ?
The output drivers support CMOS, HSTL, and LVDS output formats.
- Does the AD9559BCPZ have on-chip memory for storing profiles?
Yes, the device features on-chip EEPROM to store multiple power-up profiles.
- What serial interfaces are available for configuration and control?
The device supports I2C and SPI serial interfaces.
- What is the package type of the AD9559BCPZ?
The device is packaged in a 72-lead VFQFN Exposed Pad, CSP.
- What are some of the key applications of the AD9559BCPZ?
Key applications include network synchronization, reference clock jitter cleanup, SONET/SDH clocks, wireless base station controllers, cable infrastructure, and data communications.
- Does the AD9559BCPZ support software-controlled power-down and holdover?
Yes, the device supports software-controlled power-down and holdover circuitry.
