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P521-49 Schematic ( PDF Datasheet ) - PhaseLink Corporation

Teilenummer P521-49
Beschreibung Low Phase Noise PECL VCXO
Hersteller PhaseLink Corporation
Logo PhaseLink Corporation Logo 




Gesamt 6 Seiten
P521-49 Datasheet, Funktion
Preliminary P521-49
Low Phase Noise LVDS VCXO (27MHz to 65MHz)
FEATURES
27MHz to 65MHz Fundamental Mode Crystal.
Output range: 27MHz – 65MHz.
Complementary LVDS outputs.
Selectable OE Logic (enable high or enable low).
Integrated variable capacitors.
High pull linearity: < 5%.
www.DataSheet4U.+c/o-m125 ppm pull range
Supports 2.5V or 3.3V-Power Supply.
Available in die form.
Thickness 10 mil.
DESCRIPTIONS
P521-49 is a VCXO IC specifically designed to pull
high frequency fundamental crystals. Its internal
varicaps allow an on chip frequency pulling,
controlled by the VCON input. The chip provides a
low phase noise, low jitter LVDS differential clock
output.
BLOCK DIAGRAM
VCON Oscillator
Amplifier
X+
w/
integrated
varicaps
X-
OE
Q
Q
P521-49
DIE CONFIGURATION
57.5 mil
GNDOSC 18
17 16
VCON 19
XIN 20
XOUT 21
OE 22
1
2
(1460,1435)
15 14 13
12
11
34
10
9
8
7
56
VDDANA
VDDBUF
VDDBUF
PECLBAR
PECL
GNDBUF
Y (0,0)
X
DIE SPECIFICATIONS
Name
Size
Reverse side
Pad dimensions
Thickness
Value
56.5 x 57.5 mil
GND
80 micron x 80 micron
10 mil
OUTPUT ENABLE LOGIC SELECTION
OESEL
(Pad #14)
OECTRL
(Pad #22)
State
0 (Default)
0 Tri-state
1 (Default) Output enabled
1
0 (Default) Output enabled
1 Tri-state
Pad #14, 22: 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 #22: Logical states defined by CMOS VIH and VIL levels.
47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990 FAX (510) 492-0991
Rev 3/02/04 Page 1






P521-49 Datasheet, Funktion
Preliminary P521-49
Low Phase Noise LVDS VCXO (27MHz to 65MHz)
ORDERING INFORMATION
www.DataSheet4U.com
PART NUMBER
The order number for this device is a combination of the following:
Device number, Package type and Operating temperature range
P521-49 D C
PART NUMBER
TEMPERATURE
C=COMMERCIAL
PACKAGE TYPE
D=DIE
Order Number
Marking
Package Option
P521-49DC
P521-49DC
Die – Waffle Pack
PhaseLink Corporation, reserves the right to make changes in its products or specifications, or both at any time without notice. The information
furnished by Phaselink is believed to be accurate and reliable. However, PhaseLink makes no guarantee or warranty concerning the accuracy of said
information and shall not be responsible for any loss or damage of whatever nature resulting from the use of, or reliance upon this product.
LIFE SUPPORT POLICY: PhaseLink’s products are not authorized for use as critical components in life support devices or systems without the
express written approval of the President of PhaseLink Corporation.
47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990 FAX (510) 492-0991
Rev 3/02/04 Page 6

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