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PLL520-28

PhaseLink Corporation
Part Number PLL520-28
Manufacturer PhaseLink Corporation
Description (PLL520-2x) Low Phase Noise VCXO
Published Feb 6, 2009
Detailed Description PLL520-28/-29 www.DataSheet4U.com Low Phase Noise VCXO (for 120-200MHz Fund Xtal) PIN CONFIGURATION (Top View) FEATURE...
Datasheet PDF File PLL520-28 PDF File

PLL520-28
PLL520-28

Overview
PLL520-28/-29 www.
DataSheet4U.
com Low Phase Noise VCXO (for 120-200MHz Fund Xtal) PIN CONFIGURATION (Top View) FEATURES • • • • • • • • 120MHz to 200MHz Fundamental Mode Crystal.
Output range: 120 – 200MHz (no PLL).
Low Injection Power for crystal 50uW.
Sub 0.
5pS RMS phase jitter ( 12kHz to 20MHz ).
PECL (PLL520-28) or LVDS output (PLL520-29).
Integrated variable capacitors.
Supports 2.
5V or 3.
3V-Power Supply.
Available in 16-Pin (TSSOP or 3x3mm QFN).
VDD XIN XOUT N/C N/C 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 N/C N/C GND CLKC VDD CLKT N/C N/C PLL 520-2x DESCRIPTION The PLL520-28/-29 are a family of VCXO IC’s specifically designed to pull high frequency fundamental crystals.
They achieve very low current into the crystal resulting in better overall stability.
Their internal varicaps allow an on chip frequency pulling, controlled by the VCON input.
Their very low jitter makes them ideal for the most demanding timing requirements.
OE VCON GND VDD VDD N/C 10 XIN XOUT N/C OE 12 13 14 15 16 1 11 N/C 9 8 7 6 5 GND CLKC VDD CLKT P520-2x 2 3 4 GND GND OE VCON Oscillator XIN XOUT Q Q OUTPUT ENABLE LOGICAL LEVELS Part # PLL520-28 PLL520-29 OE 0 (Default) 1 0 1 (Default) State Output enabled Tri-state Tri-state Output enabled Amplifier w/ integrated varicaps PLL520-28/-29 OE input: Logical states defined by PECL levels for PLL520-28 Logical states defined by CMOS levels for PLL520-29 47745 Fremont Blvd.
, Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991 www.
phaselink.
com Rev 09/20/04 Page 1 VCON GND BLOCK DIAGRAM PLL520-28/-29 www.
DataSheet4U.
com Low Phase Noise VCXO (for 120-200MHz Fund Xtal) PIN DESCRIPTIONS Name XIN XOUT OE VCON GND CLKT CLKC N/C VDD TSSOP Pin number 2 3 6 7 8, 14 11 13 4,5,9,10,15,16 1, 12 3x3mm QFN Pin number 13 14 16 1 2,3,4,8 5 7 9,10,15 6,11,12 Type I I I I P O O P Description Crystal input.
See Crystal Specifications on page 2.
Crystal output.
See Crystal Specifications on page 2.
Output enable pin.
Se...


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