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PL502-03 Datasheet Preview

PL502-03 Datasheet

Low Phase Noise VCXO

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PL502-03
Low Phase Noise VCXO (48MHz to 100MHz)
FE AT UR E S
VCXO output for the 48MHz to 100MHz range
Low phase noise (-130 dBc @ 10kHz offset at
48MHz)
LVCMOS output
12 to 25MHz crystal input
Integrated variable capacitors
Selectable High Drive (30mA) or Standard Drive
(10mA) output
Wide pull range (± 250 ppm typ)
Low period jitter: 3.5ps RMS
3.3V operation
Available in 8-Pin SOP
PIN CONFIGURATION
XOUT
N/C
VCON
GND
1
2
3
4
8
7
6
5
SOP-8L
Note: ^ denotes internal pull up
XIN
OE^
VDD
CLK
DESCRIPTION
The PL502-03 is a low cost, high performance and
low phase noise VCXO for the 48 to 100MHz range,
providing less than -130dBc at 10kHz offset at
48MHz. The very low jitter (3.5ps RMS period jitter)
makes this chip ideal for applications requiring volt-
age controlled frequency sources. Input crystal can
range from 12 to 25MHz (fundamental resonant
mode).
OUTPUT RANGE
MULTIPLIER
FREQUENCY
RANGE
X4 48 - 100MHz
OUTPUT
BUFFER
LVCMOS
BLOCK DIAGRAM
VCO
Divider
Reference
Divider
Phase
Comparator
Charge
Pump
XIN
XOUT
XTAL
OSC
VARICAP
VCON
Loop
Filter
VCO
OE
CLK
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1(408) 944-0800 • fax +1(408) 474-1000 • www.micrel.com Rev 5/16/11 Page 1




Micrel

PL502-03 Datasheet Preview

PL502-03 Datasheet

Low Phase Noise VCXO

No Preview Available !

PIN DESCRIPTIONS
Name
Number
XOUT
N/C
VCON
GND
CLK
VDD
1
2
3
4
5
6
OE 7
XIN 8
PL502-03
Low Phase Noise VCXO (48MHz to 100MHz)
Type
Description
I Crystal output. See Crystal Specifications on page 4.
- Not connected.
I Voltage Control input.
P Ground.
O Output clock.
P +3.3V power supply.
I
Output enable input. Disables (tri -state) output when low. Internal
pull-up enables output by default if pin is not connected to low.
I Crystal input. See Crystal Specifications on page 4.
ELECTRICAL SPECIFICATIONS
1. Absolute Maximum Ratings
PARAMETERS
SYMBOL
MIN.
MAX.
UNITS
Supply Voltage
Input Voltage, dc
Output Voltage, dc
Storage Temperature
Ambient Operating Temperature*
Junction Temperature
Lead Temperature (soldering, 10s)
ESD Protection, Human Body Model
VDD 4.6 V
VI
-0.5
VDD+0.5
V
VO
-0.5
VDD+0.5
V
TS -65
150 C
TA -40
85 C
TJ 125 C
260 C
2 kV
Exposure of the device under conditions beyond the limits specified by Maximum Ratings for extended periods m ay cause permanent damage to the
device and affect product reliability. These conditions represent a stress rating only, and functional operations of the dev ice at these or any other
conditions above the operational limits noted in this specification is not implied. Note: Operating Temperature is guaranteed by design for all parts
(COMMERCIAL and INDUSTRIAL), but tested for COMMERCIAL grade only.
2. AC Electrical Specifications
PARAMETERS
SYMBOL
CONDITIONS
MIN. TYP. MAX. UNITS
Input Crystal Frequency
Output Clock Rise/Fall Time
(Standard Drive)
Output Clock Rise/Fall Time
(High Drive)
Output Clock Duty Cycle
12 25 MHz
0.3V ~ 3.0V, 15 pF load
2.4
ns
0.3V ~ 3.0V, 15 pF load
1.2
Measured @ 50% VDD
45 50 55 %
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1(408) 944-0800 • fax +1(408) 474-1000 • www.micrel.com Rev 5/16/11 Page 2


Part Number PL502-03
Description Low Phase Noise VCXO
Maker Micrel
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PL502-03 Datasheet PDF






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