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PLL520-20 Datasheet(PDF) 1 Page - PhaseLink Corporation |
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PLL520-20 Datasheet(HTML) 1 Page - PhaseLink Corporation |
1 / 7 page Preliminary PLL520-20 Low Phase Noise VCXO (for 100-200MHz Fundamental Crystals) 47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990 FAX (510) 492-0991 www.phaselink.com Rev 03/03/05 Page 1 FEATURES • 100MHz to 200MHz Fundamental Mode Crystal. • Output range: 100MHz – 200MHz (no PLL). • Low Injection Power for crystal 50uW. • Complementary outputs: CMOS, PECL or LVDS. • Selectable OE Logic (enable high or enable low). • Integrated variable capacitors. • Supports 2.5V or 3.3V-Power Supply. • Available in die form. • Die thickness is 10 mil. DESCRIPTIONS PLL520-20 is a VCXO IC specifically designed to pull high frequency fundamental crystals. Its design was optimized to tolerate higher limits of interelectrodes capacitance and bonding capacitance to improve yield. It achieves very low current into the crystal resulting in better overall stability. Its internal varicaps allow an on chip frequency pulling, controlled by the VCON input. BLOCK DIAGRAM DIE CONFIGURATION DIE SPECIFICATIONS Name Value Size 62 x 65 mil Reverse side GND Pad dimensions 80 micron x 80 micron Thickness 10 mil OUTPUT SELECTION AND ENABLE Pad #18 OUTSEL1 Pad #25 OUTSEL0 Selected Output 0 0 High Drive CMOS 0 1 Standard CMOS 1 0 LVDS 1 1 PECL (default) OE_SELECT (Pad #9) OE_CTRL (Pad #30) State 0 Tri-state 0 1 (Default) Output enabled 0 (Default) Output enabled 1 (Default) 1 Tri-state Pad #9, 18, 25: Bond to GND to set to “0”, bond to VDD to set to “1” No connection results to “default” setting through internal pull-up/-down. Pad #30: Logical states defined by PECL levels if OE_SELECT (pad #9) is “1” Logical states defined by CMOS levels if OE_SELECT is “0” X+ X- OE Q PLL520-20 VCON Q Oscillator Amplifier w/ integrated varicaps 18 19 20 21 23 25 7 13 10 26 29 31 Y X (0,0) (1550,1475) 65 mil 24 22 17 16 15 14 12 11 9 8 6 1 2 3 45 27 28 30 OUTSEL^ PECL LVDS VDDBUF VDDBUF PECLB LVDSB N/C GNDBUF XIN XOUT VCON OE CTRL DNC DNC Die ID: A1919-19B C502A |
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