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PLL520-89OC

Description
Low Phase Noise VCXO (9.5-65MHz)
File Size212KB,7 Pages
ManufacturerPLL (PhaseLink Corporation)
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PLL520-89OC Overview

Low Phase Noise VCXO (9.5-65MHz)

Preliminary
PLL520-88/-89
Low Phase Noise VCXO (9.5-65MHz)
FEATURES
19MHz to 65MHz fundamental crystal input.
Output range: 9.5MHz – 65MHz
Complementary outputs: PECL or LVDS output.
Selectable OE Logic (enable high or enable low).
Integrated variable capacitors.
Supports 2.5V or 3.3V Power Supply.
Available in 16 pin TSSOP package.
PIN CONFIGURATION
VDD
XIN
XOUT
DNC
S2
OE
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
DNC
DNC
GNDBUF
QBAR
VDDBUF
Q
GNDBUF
GND
PLL 520-8x
DESCRIPTION
The PLL520-88 (PECL) and PLL520-89 (LVDS) are
VCXO ICs specifically designed to work with
fundamental crystals between 19MHz and 65MHz.
The selectable divide by two feature extends the
operation range from 9.5MHz to 65MHz. They
require very low current into the crystal resulting in
better overall stability. The OE logic feature allows
selection of enable high or enable low.
VCON
GND
OUTPUT SELECTION AND ENABLE
OE_SELECT
OE_CTRL
State
0
BLOCK DIAGRAM
1 (Default)
0
1 (Default)
0 (Default)
1
Tri-state
Output enabled
Output enabled
Tri-state
O
Q
VCON
X+
X-
Oscillator
Amplifier
with
Integrated
Varicaps
Q
S2
Input selection: 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.
OE_CTRL:
Logical states defined by PECL levels if
OE_SELECT is “1”
Logical states defined by CMOS levels if
OE_SELECT is “0”
OUTPUT FREQUENCY DIVIDE BY
TWO SELECTOR
S2
Output
PLL520-8X Block Diagram
0
1
Intput/2
Input
47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991
www.phaselink.com
Rev 09/20/04 Page 1

PLL520-89OC Related Products

PLL520-89OC P520-88OC PLL520-88-89 PLL520-88OC PLL520-88OC-R PLL520-89OC-R P520-89OC
Description Low Phase Noise VCXO (9.5-65MHz) Low Phase Noise VCXO (9.5-65MHz) Low Phase Noise VCXO (9.5-65MHz) Low Phase Noise VCXO (9.5-65MHz) Low Phase Noise VCXO (9.5-65MHz) Low Phase Noise VCXO (9.5-65MHz) Low Phase Noise VCXO (9.5-65MHz)
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