48MHz. The very low jitter (3.5ps RMS period jitter)
makes this chip ideal for applications requiring vol t-
age controlled frequency sources. Input crystal can
range from 12 to 25MHz (fundamental resonant
mode).
OUTPUT RANGE
MULTIPLIER
X4
FREQUENCY
RANGE
48 - 100MHz
OUTPUT
BUFFER
LVCMOS
BLOCK DIAGRAM
VCO
Divider
Reference
Divider
Phase
Comparator
Charge
Pump
Loop
Filter
VCO
CLK
XIN
XOUT
XTAL
OSC
VARICAP
OE
VCON
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
PL502-03
Low Phase Noise VCXO (48MHz to 100MHz)
PIN DESCRIPTIONS
Name
XOUT
N/C
VCON
GND
CLK
VDD
OE
XIN
Number
1
2
3
4
5
6
7
8
Type
I
-
I
P
O
P
I
I
Not connected.
Voltage Control input.
Ground.
Output clock.
+3.3V power supply.
Output enable input. Disables (tri -state) output when low. Internal
pull-up enables output by default if pin is not connected to low.
Crystal input. See Crystal Specifications on page 4.
Description
Crystal output. See Crystal Specifications on page 4.
ELECTRICAL SPECIFICATIONS
1. Absolute Maximum Ratings
PARAMETERS
Supply Voltage
Input Voltage, dc
Output Voltage, dc
Storage Temperature
Ambient Operating Temperature*
Junction Temperature
Lead Temperature (soldering, 10s)
ESD Protection, Human Body Model
SYMBOL
V
DD
V
I
V
O
T
S
T
A
T
J
-0.5
-0.5
-65
-40
MIN.
MAX.
4.6
V
DD
+0.5
V
DD
+0.5
150
85
125
260
2
UNITS
V
V
V
C
C
C
C
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 n ot 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
Input Crystal Frequency
Output Clock Rise/Fall Time
(Standard Drive)
Output Clock Rise/Fall Time
(High Drive)
Output Clock Duty Cycle
0.3V ~ 3.0V, 15 pF load
0.3V ~ 3.0V, 15 pF load
Measured @ 50% V
DD
45
SYMBOL
CONDITIONS
MIN.
12
2.4
ns
1.2
50
55
%
TYP.
MAX.
25
UNITS
MHz
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
PL502-03
Low Phase Noise VCXO (48MHz to 100MHz)
3. DC Electrical Specifications
PARAMETERS
Supply Current, Dynamic,
with Loaded Outputs
Operating Voltage
Output Drive Current
(High Drive)
Output Drive Current
(Standard Drive)
Short Circuit Current
VCXO Control Voltage
VCON
0
SYMBOL
I
DD
V
DD
I
OH
I
OL
I
OH
I
OL
V
OH
= V
DD
-0.4V, V
DD
=3.3V
V
OL
= 0.4V, V
DD
= 3.3V
V
OH
= V
DD
-0.4V, V
DD
=3.3V
V
OL
= 0.4V, V
DD
= 3.3V
CONDITIONS
F
XIN
= 25MHz
Output load 10pF
2.97
30
30
10
10
50
3.3
MIN.
TYP.
16
MAX.
20
3.63
UNITS
mA
V
mA
mA
mA
mA
mA
V
4. Voltage Control Crystal Oscillator
PARAMETERS
VCXO Stabilization Time *
VCXO Tuning Range
CLK output pullability
VCXO Tuning Characteristic
Pull range linearity
VCON pin input impedance
VCON modulation BW
0V
VCON
3.3V, -3dB
2000
10
SYMBOL
T
VCXOSTB
CONDITIONS
From power valid
F
XIN
= 12 – 25MHz;
XTAL C
0
/C
1
< 250
0V
VCON
3.3V
VCON=1.65V,
1.65V
200
150
10
500
MIN.
TYP.
MAX.
10
UNITS
ms
ppm
ppm
ppm/V
%
kΩ
kHz
Note:
Parameters denoted with an asterisk (*) represent nominal characterization data and are not production tested to any specific limits.
5. Jitter and Phase Noise specification
PARAMETERS
RMS Period Jitter
(1 sigma – 1000 samples)
Phase Noise relative to carrier
Phase Noise relative to carrier
Phase Noise relative to carrier
Phase Noise relative to carrier
Phase Noise relative to carrier
CONDITIONS
with capacitive decoupling
between VDD and GND.
48MHz @100Hz offset
48MHz @1kHz offset
48MHz @10kHz offset
48MHz @100kHz offset
48MHz @1MHz offset
MIN.
TYP.
3.5
-100
-123
-130
-125
-125
MAX.
UNITS
ps
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
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 3
PL502-03
Low Phase Noise VCXO (48MHz to 100MHz)
6. Crystal Specifications
PARAMETERS
Crystal Resonator Frequency
Crystal Loading Capacitance Rating
C0/C1
ESR
R
S
SYMBOL
F
XIN
C
L (x ta l)
MIN.
12
9.5
250
30
TYP.
MAX.
25
UNITS
MHz
pF
-
Ω
Note:
Crystal Loading rating: 9.5pF is the loading the crystal sees from the VCXO chip at VCON = 1.65V. It is assumed that the crystal will be at no m-
inal frequency at this load. If the crystal requires more load to be at nominal frequency, the additional load must be added externally.
This however may reduce the pull range.
PACKAGE INFORMATION (GREEN PACKAGE COM PLIANT)
8 PIN SOP (in mm)
Symbol
A
A1
B
C
D
E
H
L
e
Min.
Max.
1.47
1.73
0.10
0.25
0.33
0.51
0.19
0.25
4.80
4.95
3.80
4.00
5.80
6.20
0.38
1.27
1.27 BSC
E
H
D
A
A1
e
B
C
L
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 4
PL502-03
Low Phase Noise VCXO (48MHz to 100MHz)
ORDERING INFORM ATION (GREEN PACKAGE COM PLIANT)
For part ordering, please contact our Sales Department:
2180 Fortune Drive, San Jose, CA 95131, USA
Tel: (408) 944-0800 Fax: (408) 474-1000
PART NUMBER
The order number for this device is a combination of the following:
Part number, Package type and Operating temperature range
PL502-03 H X X X
Part Number
Optional High
Drive
Package Type
S=SOP-8L
Shipping Option
Blank=Tube
R=Tape & Reel
Temperature Range
C=Commercial (0°C to 70°C)
I=Industrial (-40°C to 85°C)
Part/Order Number
PL502-03SC
PL502-03SC-R
PL502-03HSC
PL502-03HSC-R
Marking
P502-03
SC
LLLLL
P502-03H
SC
LLLLL
Package Option
SOP - Tube
SOP - Tape and Reel
SOP - Tube
SOP - Tape and Reel
*Note: “LLL” or “LLLLL” are designates lot number
Micrel Inc., reserves the right to make changes in its products or specifications, or both at any time without notice. The in formation furnished by Micrel
is believed to be accurate and reliable. However, Micrel 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:
Micrel’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 Micrel Inc.
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1(408) 944 -0800 • fax +1(408) 474-1000 •
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
