PL565-68 Datasheet, PDF (1/12 Pages) Micrel Semiconductor – Analog Frequency Multiplier

(Preliminary) Analog Frequency Multiplier
PL565-68 VCXO
PRODUCT DESCRIPTION
The Analog Frequency Multiplier (AFM) is the
industry’s first ‘Balanced Oscillator’ utilizing analog
multiplication of the fundamental frequency (at
quadruple frequency), combined with an attenuation
of the fundamental of the reference crystal, without
the use of a phase-locked loop (PLL), in CMOS
technology.
Micrel’s world’s best performing AFM products can
achieve up to 800 MHz output frequency with little
jitter or phase noise deterioration. In addition, the
low frequency input crystal requirement makes the
AFM the most affordable high-performance timing-
source in the market.
PL565-68 product utilizes low-power CMOS
technology and is housed in Green / RoHS
compliant 16-pin TSSOP, and 16-pin 3x3 QFN
packages.
QFN PACKAGE PIN-OUT
FEATURES
 Non-PLL frequency multiplication by 2.
 Input frequency from 62.5-160 MHz
 Output frequency
o PL565-68: 125-320MHz
 Low phase noise and jitter (equivalent to fundamental
crystal at the output frequency)
 Ultra-low jitter
o RMS phase jitter < 100 fs (12kHz-20MHz)
o RMS random period jitter < 2 ps
 Low phase noise
o -142 dBc/Hz @100kHz offset from the carrier
o -155 dBc/Hz @10MHz offset from the carrier
 High linearity pull range (typ. 5%)
 VCXO, set pullability ±100ppm ~ ±200ppm
 Low input frequency eliminates the need for expensive
crystals
 Differential output levels: LVPECL
 Single 3.3V, ±10% power supply
 Optional industrial temperature range (-40C to +85C)
 Available in 16-pin Green/RoHS compliant 3x3 QFN
packages and as die.
VDDANA
OESEL
VDDOSC
L2X
12
13
11 10
9
8
14 _P565-68 7
15
6
16
5
123 4
GNDANA
DNC
OE
XOUT
VCON
XIN
XOUT
PL565-68 BLOCK DIAGRAM
L2X
Oscillator
Amplifier
Frequency
X2
OE
QBAR
Q
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel [phone] • fax [phone] • www.micrel.com Rev 12/08/11 Page 1