Superior Jitter Performance (less than 0.25 ps RMS,
12 kHz - 20 MHz)
Frequencies from 150 MHz to 1.4 GHz
Designed for a short 2 week cycle time
Applications:
Telecommunications such as SONET / SDH / DWDM / FEC /
SERDES / OC-3 thru OC-192
Wireless base stations / WLAN / Gigabit Ethernet
Avionic flight controls and military communications
Corporate Headquarters
100 Douglas Avenue
PO Box 630
Yankton, SD 57078-0630
1-800-762-8800
www.mtronpti.com
MtronPTI
Applications Note:
The MtronPTI M310x series of voltage controlled cystal oscillators, featuring
QiK Chip
TM
technology, pro-
vides for extremely low jitter of 0.50 ps RMS, typical at 622.08 MHz. For applications requiring low jitter,
frequencies from 150 MHz to 1.4 GHz are available. LVPECL, LVDS, or CML compatible outputs, as well
as operating voltage of 1.8 V, 2.5 V, and 3.3 V are also options on the M310x.
The M310x is available with a standard APR of ± 50 ppm and ± 100 ppm, over the industrial operating
temperature range of -40°C to +85°C. The M310x achieves this level of performance by utilizing an AT-cut
crystal. An enable/disable function is also an available option on the M310x. An internal 0.01 µF by-pass
capacitor also assures optimum noise suppression on the supply voltage pad.
The superior integrated jitter performance of 0.50 pS RMS, typical at 622.08 MHz, makes the M310x suit-
able for 10 Gig-E, broadband networks, network switches, SONET, SDH, SERDES, DWDM, FEC, WLAN,
and OC-3 thru OC-192 systems. The M310x is available in a six-pad or nine-pad, 5x7x1.9 mm, leadless,
ceramic, surface mount package (see page 4, N package drawing) that is RoHS and +260°C reflow compat-
ible, (no PCB traces should be located directly under the 5x7 product). The M310x oscillators are backward
compatible to many of the existing products in the industry from Vectron, Epson, and others.
For superior performance in a high frequency clock oscillator, the M310x is a logical choice for designers.
The unique design architecture allows the M310x fast turn around on engineering design samples, as well
as production quantities in 2 weeks or less.
MtronPTI reserves the right to make changes to the product(s) and service(s) described herein without notice. No liability is assumed as a result of their use or application.
Please see
www.mtronpti.com
for our complete offering and detailed datasheets. Contact us for your application specific requirements: MtronPTI
1-800-762-8800.
2
M310x Series
LVPECL/LVDS/CML Voltage Controlled Crystal Oscillator – 3.3/2.5/1.8 Volt – 5x7 mm
Product Features
Featuring
QiK Chip
TM
Technology
From order to ship in 2 weeks
Superior Jitter Performance (less than 0.25 ps RMS, 12 kHz - 20 MHz)
APR from ±50 to ±300ppm over industrial temperature range
SAW replacement performance
Frequencies from 150 MHz to 1.4 GHz
Product Description
The M310x series of VCXO’s is designed with a hermetically sealed high precision AT cut quartz crystal,
combined with our QiK Chip
TM
technology. This combination provides an industry setting 0.35 ps RMS jitter
performance and excellent Phase Noise for your demanding circuit. The M310x is available in LVPECL, LVDS,
or CML output and can be built to a variety of power requirements, 3.3, 2.5, and 1.8V. Tight thermal stability
performance, broad frequency range, in a small 5x7 mm package, and the ability to build and provide product
in approximately 2 weeks, gives the designer a quick, solid foundation to build a solution with.
Product Applications
Telecommunications such as SONET / SDH /
DWDM / FEC / SERDES / OC-3 thru OC-192
Wireless base stations / WLAN / Gigabit Ethernet
xDSL, Network Communications
Avionic Flight Controls
Military Communications
Clock and Data Recovery
Low Jitter Clock Generation
Product Ordering Information
MtronPTI reserves the right to make changes to the product(s) and service(s) described herein without notice. No liability is assumed as a result of their use or application.
Please see
www.mtronpti.com
for our complete offering and detailed datasheets. Contact us for your application specific requirements: MtronPTI
1-800-762-8800.
3
M310x Series
LVPECL/LVDS/CML Voltage Controlled Crystal Oscillator – 3.3/2.5/1.8 Volt – 5x7 mm
Performance Characteristics
PARAMETER
Frequency Range
Operating Temperature
Storage Temperature
Frequency Stability
Aging
1st Year
Thereafter (per year)
Pullability/APR
Gain Transfer Function
Symbol
F
T
A
T
S
∆F/F
Min.
Typ.
Max.
50
1400
(See ordering information)
-55
+125
±25
-3
+3
-1
+1
(See ordering information)
90
135
180
0.18
0.90
1.62
0.25
1.25
2.25
0.30
1.65
3.0
1
5
10
500k
1M
1.71
1.8
1.89
2.375
2.5
2.625
3.135
3.3
3.465
125
50 Ohms to (Vcc –2) Vdc
100 Ohm differential load
Units
MHz
°C
ppm
ppm
ppm
ppm/V
ppm/V
ppm/V
V
V
V
%
KHz
Ohms
V
V
V
mA
Condition/Notes
See Note 1
Control Voltage
Vc
Electrical Specifications
Linearity
Modulation Bandwidth
Input Impedance
Supply Voltage
fm
Zin
Vcc
See Note 2
For
±50
ppm APR
For
±100
ppm APR
For
±200
ppm APR
@ 1.8V Vcc
@ 2.5V Vcc
@ 3.3V Vcc
Positive Monotonic
-3 dB bandwidth
@ DC
LVDS/CML
Input Current
Load
Icc
Symmetry (Duty Cycle)
Output Skew
45
20
15
20
350
0.95
1.2
Vcc -
1.02
55
%
ps
ps
ps
mV
Vpp
V
V
Differential Voltage
Common Mode
Output Voltage
Logic “1” Level
Logic “0” Level
Rise/Fall Time
Enable Function
Vod
Vod
Vcm
Voh
Vol
Tr/Tf
250
0.7
450
1.20
LVPECL/LVDS/CML
See Note 3
LVPECL Waveform
LVDS/CML Waveform
LVPECL: Vdd-1.3 V
LVDS: 1.25 V
LVPECL
CML
LVDS
LVDS
CML
LVDS
LVPECL
LVPECL
@ 20/80% LVPECL, LVDS, CML
Output Option G
Output Option M
Start up Time
Phase Jitter
@ 622.08 MHz
Environmental
Vcc -1.63
V
0.23
0.35
ns
80% Vcc min or N/C: Output active
0.5V max: Output disables to high-Z
0.5V max or N/C: Output active
80% Vcc min: Output disables to high-Z
10
ms
0.25
ps RMS
φJ
Integrated 12 kHz – 20 MHz
Mechanical Shock
Vibration
Max Soldering Conditions
Hermeticity
Solderability
Per MIL-STD-202, Method 213, Condition C
Per MIL-STD-202, Method 201 & 204
See solder profile, Figure 1
Per MIL-STD-202, Method 112 (1 x 10
-8
atm cc/s of helium)
Per MIL-STD-883, Method 203
Note 1: Contact factory for standard frequency availability over 945 MHz.
Note 2: APR specification is inclusive of initial tolerance, deviation over temperature, shock, vibration, supply voltage, and aging
for one year at 50°C mean ambient temperature.
Note 3: See Load Circuit Diagram in this Datasheet. Consult factory with nonstandard output load requirements.
MtronPTI reserves the right to make changes to the product(s) and service(s) described herein without notice. No liability is assumed as a result of their use or application.
Please see
www.mtronpti.com
for our complete offering and detailed datasheets. Contact us for your application specific requirements: MtronPTI
1-800-762-8800.
4
M310x Series
LVPECL/LVDS/CML Voltage Controlled Crystal Oscillator – 3.3/2.5/1.8 Volt – 5x7 mm
Phase Noise Plot
Output Waveform
Output Waveform: LVDS/CML/PECL
MtronPTI reserves the right to make changes to the product(s) and service(s) described herein without notice. No liability is assumed as a result of their use or application.
Please see
www.mtronpti.com
for our complete offering and detailed datasheets. Contact us for your application specific requirements: MtronPTI
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