AD9516-5

RECOMMENDED FOR NEW DESIGNS

14-Output Clock Generator

Data Sheet (Rev. A) Product Selection Table

Part Models: 2
1ku List Price: Starting From $8.54

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Overview

Four 800 MHz LVDS outputs, arranged in 2 groups
Each group has 2 cascaded 1-to-32 dividers with coarse phase delay
Additive output jitter: 275 fs rms
Fine delay adjust (Δt) on each LVDS output
Each LVDS output can be reconfigured as two 250 MHz CMOS outputs

Six 1.6 GHz LVPECL outputs, arranged in 3 groups
Each group shares a 1-to-32 divider with coarse phase delay
Additive output jitter: 225 fs rms
Channel-to-channel skew paired outputs of <10 ps
See datasheet for additional features

The AD9516-5 provides a multi-output clock distribution function with subpicosecond jitter performance, along with an on-chip PLL that can be used with an external VCO/VCXO of up to 2.4 GHz.

The AD9516-5 emphasizes low jitter and phase noise to maximize data converter performance, and it can benefit other applications with demanding phase noise and jitter requirements.

The AD9516-5 features six LVPECL outputs (in three pairs) and four LVDS outputs (in two pairs). Each LVDS output can be reconfigured as two CMOS outputs. The LVPECL outputs operate to 1.6 GHz, the LVDS outputs operate to 800 MHz, and the CMOS outputs operate to 250 MHz.

Each pair of outputs has dividers that allow both the divide ratio and coarse delay (or phase) to be set. The range of division for the LVPECL outputs is 1 to 32. The LVDS/CMOS outputs allow a range of divisions up to a maximum of 1024.

The AD9516-5 is available in a 64-lead LFCSP and can be operated from a single 3.3 V supply. An external VCO, which requires an extended voltage range, can be accommodated by connecting the charge pump supply (VCP) to 5.5 V. A separate LVPECL power supply can be from 2.375 V to 3.6 V (nominal).

The AD9516-5 is specified for operation over the industrial range of −40°C to +85°C.

For applications requiring an integrated EEPROM, or needing additional outputs, the AD9520-5 and AD9522-5 are available.

APPLICATIONS

Low jitter, low phase noise clock distribution
10/40/100 Gb/sec networking line cards, including SONET, Synchronous Ethernet, OTU2/3/4
Forward error correction (G.710)
Clocking high speed ADCs, DACs, DDSs, DDCs, DUCs, MxFEs
High performance wireless transceivers
ATE and high performance instrumentation

Part Models: 2
1ku List Price: Starting From $8.54

Documentation

Frequently Asked Question 1

FAQ 09/05/2025

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 Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
AD9516-5BCPZ	64-Lead LFCSP (9mm x 9mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
AD9516-5BCPZ-REEL7	64-Lead LFCSP (9mm x 9mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Jun 9, 2021 - 20_0126 Conversion of Select Sizes LFCSP Products from Punched to Sawn and Transfer of Assembly Site to ASE Korea
		PCN20_0126_Form Qualification Results Summary Material_Report Detailed Change Description Package Outline Drawing Package Outline Drawing Qualification Results Summary Qualification Results Summary Qualification Results Summary Qualification Results Summary
AD9516-5BCPZ	PRODUCTION
AD9516-5BCPZ-REEL7	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Software Resources

Device Drivers 1

AD951x Github Linux Driver Source Code

Can't find the software or driver you need?

Hardware Ecosystem

Parts	Product Life Cycle	Description
Comparators 1
LTC6957		Low Phase Noise, Dual Output Buffer/Driver/Logic Converter
Phase-Locked Loop (PLL) Synthesizers 1
ADF4002	RECOMMENDED FOR NEW DESIGNS	Phase Detector / PLL Frequency Synthesizer

Tools & Simulations

AD9516 IBIS Models 1

AD9516 (All Models/All Speed Grades)

Evaluation Kits

AD9516-5 Evaluation Board

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Features and Benefits

Simple power connection using 6 V wall adapter and on-board LDO voltage regulators
LDOs are easily bypassed for power measurements
8 ac-coupled differential LVPECL SMA connectors
2 ac-coupled LVPECL differential headers
2 dc-coupled differential LVDS SMA connectors that are reconfigurable to four CMOS SMA connectors
2 dc-coupled LVDS differential headers that are reconfigurable to four CMOS connectors
SMA connectors for
- 2 reference inputs
- Charge pump output
- Clock distribution input
USB connection to PC
Microsoft Windows-based evaluation software with simple graphical user interface
On-board PLL loop filter
Easy access to digital I/O and diagnostic signals via I/O header
Status LEDs for diagnostic signals

Product Details

The AD9516-x, AD9517-x, and AD9518-x are very low noise PLL clock synthesizers featuring an integrated VCO, clock dividers, and up to 14 outputs. The AD9516 features automatic holdover and a flexible reference input circuit allowing for very smooth reference clock switching. The AD9516 family also features the necessary provisions for an external VCXO.

The AD9516 evaluation board is a compact, easy-to-use platform for evaluating all features of the AD9516. The user guide covers all six versions of the AD9516 family, as well as the AD9517 and AD9518 families (hereafter referred to as AD951x). The AD9516, AD9517, and AD9518 differ only in package size, and the number of outputs. The evaluation software main window for the AD9517 and AD9518 reflects fewer outputs, but the operation is identical for all devices.

Although the Quick Start Guide to the AD9516 PLL section applies specifically to the AD9516-3, increasing the N (feed-back) divider and channel divider increases the VCO frequency to the allowable frequency range of other AD9516 versions.

For the AD9516-5, which lacks an internal VCO, certain portions of this document that apply to the internal VCO (such as VCO calibration) can be ignored.

Applications