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GENERAL DESCRIPTION

The AD9514 features a multi-output clock distribution IC in a design that emphasizes low jitter and phase noise to maximize data converter performance. Other applications with demanding phase noise and jitter requirements also benefit from this part.

There are three independent clock outputs. Two of the outputs are LVPECL, and the third output can be set to either LVDS or CMOS levels. The LVPECL outputs operate to 1.6 GHz, and the third output operates to 800 MHz in LVDS mode and to 250 MHz in CMOS mode.

FEATURES

1.6 GHz differential clock input

3 programmable dividers

Divide-by in range from1 to 32

Phase select for coarse delay adjust

2 independent 1.6 GHz LVPECL clock outputs

Additive broadband output jitter 225 fs rms

1 independent 800 MHz/250 MHz LVDS/CMOS clock output

Additive broadband output jitter 300 fs rms/290 fs rms

Time delays up to 10 ns

Device configured with 4-level logic pins

Space-saving, 32-lead LFCSP

APPLICATIONS

Low jitter, low phase noise clock distribution

Clocking high speed ADCs, DACs, DDSs, DDCs, DUCs, MxFEs

High performance wireless transceivers

High performance instrumentation

Broadband infrastructure

ATE