Overview
The AD9522-0BCPZ is a high-performance clock generator produced by Analog Devices Inc. This component is designed to provide multi-output clock distribution with subpicosecond jitter performance. It features an on-chip phase-locked loop (PLL) and a voltage-controlled oscillator (VCO) that tunes from 2.53 GHz to 2.95 GHz. Additionally, it supports the use of an external 3.3 V/5 V VCO/VCXO up to 2.4 GHz. The device is particularly suited for applications requiring low phase noise and high clock stability.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| VCO Frequency Range | 2.53 GHz to 2.95 GHz | GHz | On-chip VCO |
| External VCO/VCXO Frequency | Up to 2.4 GHz | GHz | 3.3 V/5 V operation |
| Reference Input Frequency | 16.62 MHz to 33.3 MHz | MHz | Crystal oscillator |
| Output Type | 12 LVDS outputs (or 24 CMOS outputs) | Divided into 4 groups | |
| Output Frequency | Up to 800 MHz (LVDS), up to 250 MHz (CMOS) | MHz | |
| Divider Ratio | 1 to 32 | Per group of outputs | |
| Operating Temperature | −40°C to +85°C | °C | Industrial range |
| Supply Voltage | 3.3 V (core), up to 5.5 V (external VCO) | V | |
| Package Type | 64-lead LFCSP | 9mm x 9mm with exposed pad |
Key Features
- Low phase noise, phase-locked loop (PLL) with on-chip VCO tuning from 2.53 GHz to 2.95 GHz
- Supports external 3.3 V/5 V VCO/VCXO up to 2.4 GHz
- Accepts CMOS, LVDS, or LVPECL references up to 250 MHz
- Optional reference clock doubler and reference monitoring capability
- Automatic/manual reference holdover and switchover modes with revertive switching
- Glitch-free switchover between references and automatic recovery from holdover
- Digital or analog lock detect, selectable
- Optional zero delay operation
- Twelve 800 MHz LVDS outputs (or 24 CMOS outputs) divided into four groups
- Each group has a divider allowing both divide ratio (1 to 32) and phase (coarse delay) settings
- Serial interface supporting both SPI and I²C ports with in-package EEPROM for user-defined settings
Applications
- Low jitter, low phase noise clock distribution
- Clock generation and translation for SONET, 10Ge, 10GFC, Synchronous Ethernet, OTU2/3/4
- Clocking high-speed ADCs, DACs, DDSs, DDCs, DUCs, MxFEs
- High-performance wireless transceivers
- ATE and high-performance instrumentation
- Broadband infrastructures
Q & A
- What is the frequency range of the on-chip VCO in the AD9522-0BCPZ?
The on-chip VCO tunes from 2.53 GHz to 2.95 GHz.
- Can the AD9522-0BCPZ use an external VCO/VCXO?
- What types of reference inputs does the AD9522-0BCPZ accept?
- How many output groups does the AD9522-0BCPZ have, and what are their characteristics?
- What is the operating temperature range of the AD9522-0BCPZ?
- What is the supply voltage requirement for the AD9522-0BCPZ?
- What package type is the AD9522-0BCPZ available in?
- Does the AD9522-0BCPZ support serial communication interfaces?
- What are some of the key applications of the AD9522-0BCPZ?
- Does the AD9522-0BCPZ have automatic reference switchover and holdover capabilities?
- Can the AD9522-0BCPZ operate in zero delay mode?
