PLL520-00
Low Phase Noise VCXO with multipliers (for 100-200MHz Fund Xtal)
FEATURES
DIE CONFIGURATION
65 mil
•
•
100MHz to 200MHz Fundamental Mode Crystal.
Output range: 100 – 200MHz (no multiplication),
200 – 400MHz (2x multiplier), 400 – 700MHz (4x
multiplier), or 800MHz – 1GHz (LVDS output
only for 8x multiplier).
(1550,1475)
25
24 23 22 21
20
19
18
17
GNDBUF
16
15
14
26
XIN
CMOS
LVDSB
PECLB
•
Available outputs: PECL, LVDS, or CMOS (High
Drive (30mA) or Standard Drive (10mA) output).
Selectable OE Logic (enable high or enable low).
Integrated variable capacitors.
Supports 3.3V-Power Supply.
Available in die form.
Die ID:
A1919-19A
27
28
XOUT
SEL3^
•
•
•
•
•
13
12
VDDBUF
VDDBUF
SEL2^
29
Thickness 10 mil.
11
PECL
OE
30
31
DESCRIPTION
CTRL
10
9
LVDS
C502A
PLL520-00 is a VCXO IC specifically designed to
pull high frequency fundamental crystals. Its design
was optimized to tolerate higher limits of
VCON
OE_SEL^
2
4
5
6
8
1
3
7
(0,0)
interelectrodes capacitance and bonding
Y
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.
X
Note: ^ denotes internal pull up
OUTPUT SELECTION AND ENABLE
BLOCK DIAGRAM
OUTSEL1
(Pad #18)
OUTSEL0
(Pad #25)
Selected Output
SEL
0
0
1
1
0
1
0
1
High Drive CMOS
Standard CMOS
LVDS
OE
Q
PLL
PECL (default)
Oscillator
Amplifier
w/
(Phase
Locked
Loop)
VCON
Q
OE_SELECT
(Pad #9)
OE_CTRL
(Pad #30)
XIN
State
integrated
varicaps
0
Tri-state
XOUT
0
1 (Default) Output enabled
0 (Default) Output enabled
PLL by-pass
PLL520-00
1 (Default)
1
Tri-state
Pad #9, 18, 25: Bond to GND to set to “0”. No connection results to
“default” setting through internal pull-up.
DIE SPECIFICATIONS
Pad #30: Logical states defined by PECL levels if OE_SELECT (pad #9)
is “1”
Name
Size
Value
Logical states defined by CMOS levels if OE_SELECT is “0
65 x 62 mil
GND
Reverse side
Pad dimensions
Thickness
80 micron x 80 micron
10 mil
47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991 www.phaselink.com Rev 09/20/04 Page 1