Features .......................................................................................................................................................................................1
Ordering Information .....................................................................................................................................................................2
Dimensions and Patterns ― 3.2 x 2.5 mm .................................................................................................................................14
Dimensions and Patterns ― 5.0 x 3.2 mm .................................................................................................................................14
Dimensions and Patterns ― 7.0 x 5.0 mm .................................................................................................................................15
Additional Information .................................................................................................................................................................16
Revision History ..........................................................................................................................................................................17
Rev 1.07
Page 3 of 17
www.sitime.com
SiT3373
220 MHz to 725 MHz Ultra-low Jitter Differential VCXO
Electrical Characteristics
Table 2. Electrical Characteristics – Common to LVPECL, LVDS and HCSL
All Min and Max limits in the Electrical Characteristics tables are specified over temperature and rated operating voltage with standard
output termination shown in the termination diagrams. Typical values are at 25°C and nominal supply voltage.
Parameter
Output Frequency Range
Frequency Stability
Symbol
f
F_stab
Min.
220.000001
-15
-25
-35
-50
Operating Temperature Range
T_use
-20
-40
-40
-40
Supply Voltage
Vdd
2.97
2.70
2.52
2.25
Pull Range
Upper Control Voltage
Lower Control Voltage
Control Voltage Input Impedance
Control Voltage Input Bandwidth
Pull Range Linearity
Frequency Change Polarity
Input Voltage High
Input Voltage Low
Input Pull-up Impedance
Duty Cycle
Start-up Time
OE Enable/Disable Time
PR
VC_U
VC_L
VC_z
V_c
Lin
–
VIH
VIL
Z_in
DC
T_start
T_oe
70%
–
–
45
–
–
Typ.
–
–
–
–
–
–
–
–
–
3.30
3.00
2.80
2.50
Max.
725
+15
+25
+35
+50
+70
+85
+95
+105
Supply Voltage
3.63
3.30
3.08
2.75
V
V
V
V
ppm
Vdd
Vdd
MΩ
kHz
%
–
–
30%
-
55
3.0
3.8
Vdd
Vdd
kΩ
%
ms
µs
Measured from the time Vdd reaches its rated minimum value.
f = 322.265625 MHz. Measured from the time OE pin reaches
rated VIH and VIL to the time clock pins reach 90% of swing
and high-Z. See
Figure 9
and
Figure 10
Pin 2, OE
Pin 2, OE
Pin 2, OE logic high or logic low
Contact SiTime
for other input bandwidth options
See the APR (Absolute Pull Range)
Table 11.
Contact SiTime
for custom pull range options
Voltage at which maximum frequency deviation is guaranteed
Voltage at which minimum frequency deviation is guaranteed
Unit
MHz
ppm
ppm
ppm
ppm
°C
°C
°C
°C
Extended Industrial
Extended Commercial
Industrial
Condition
Accurate to 6 decimal places
Inclusive of initial tolerance, operating temperature, rated
power supply voltage, load variations, and first year aging
at 25°C, with VIN voltage at Vdd/2.
±15
ppm is only guaranteed for pull range up to
±100
ppm.
Frequency Range
Frequency Stability
Temperature Range
Voltage Control Characteristics
±25, ±50, ±80, ±100, ±150, ±200,
±400, ±800, ±1600, ±3200
90%
–
–
–
–
–
–
10
10
–
Positive Slope
–
–
100
–
–
–
–
10%
–
–
1.0
Input Characteristics
Output Characteristics
Startup and OE Timing
Rev 1.07
Page 4 of 17
www.sitime.com
SiT3373
220 MHz to 725 MHz Ultra-low Jitter Differential VCXO
Table 3. Electrical Characteristics – LVPECL Specific
Parameter
Current Consumption
OE Disable Supply Current
Output Disable Leakage Current
Maximum Output Current
Output High Voltage
Output Low Voltage
Output Differential Voltage Swing
Rise/Fall Time
RMS Period Jitter
[4]
RMS Phase Jitter (random)
Symbol
Idd
I_OE
I_leak
I_driver
VOH
VOL
V_Swing
Tr, Tf
T_jitt
T_phj
–
0.220
0.270
ps
Min.
–
–
–
–
Vdd-1.15
Vdd-1.9
1.2
–
–
Typ.
–
–
0.15
–
–
–
1.6
225
1.0
Max.
97
63
–
32
Vdd-0.7
Vdd-1.5
2.0
290
1.6
Unit
mA
mA
A
mA
V
V
V
ps
ps
Condition
Excluding Load Termination Current, Vdd = 3.3 V or 2.5 V
OE = Low
OE = Low
Maximum average current drawn from OUT+ or OUT-
See
Figure 5
See
Figure 5
See
Figure 6
20% to 80%, see
Figure 6
f = 322.265625 MHz, Vdd = 3.3 V or 2.5 V
f = 322.265625 MHz, Integration bandwidth = 12 kHz to 20 MHz,
all Vdd levels, includes spurs, pull range =
±100
ppm.
Temperature ranges -20 to 70°C and -40 to 85°C
f = 322.265625 MHz, Integration bandwidth = 12 kHz to 20 MHz,
all Vdd levels, includes spurs, pull range =
±100
ppm.
Temperature ranges -40 to 95°C and -40 to 105°C
f = 156.25 or 322.265625 MHz, IEEE802.3-2005 10 GbE jitter
mask integration bandwidth = 1.875 MHz to 20 MHz,
all Vdd levels
f = 322.265625 MHz, Vdd = 3.3 V or 2.5 V
f = 322.265625 MHz, Integration bandwidth = 12 kHz to 20 MHz,
all Vdd levels, includes spurs, pull range =
±100
ppm.
Temperature ranges -20 to 70°C and -40 to 85°C
f = 322.265625 MHz, Integration bandwidth = 12 kHz to 20 MHz,
all Vdd levels, includes spurs, pull range =
±100
ppm.
Temperature ranges -40 to 95°C and -40 to 105°C
f = 322.265625 MHz, IEEE802.3-2005 10 GbE jitter mask
integration bandwidth = 1.875 MHz to 20 MHz, all Vdd levels
I have a project that uses GPRS to transmit large amounts of data. I have no idea about this, so I would like to ask you to help me. 1. What is the difference between a DTU and a development board? 2....
This is a book about Intel 80C51 and the vast 51 series of microcontrollers. This book introduces some new technologies to readers to make your 8051 engineering and development process easier. Please ...
I just drew a schematic diagram of a 16-port Ethernet switch today (after improvement). I just drew a schematic diagram of a 16-port Ethernet switch today (in PROTEL99SE format), after improvement. Th...
The LM3S series of microcontrollers uses the ARM Cortex-M3 processor core with a simple structure and outstanding performance. Luminary (acquired by TI) officially provides a driver library software p...
I want to use the capture function to calculate the pulse width, but if the pulse width is greater than 65535, the counter will be reset to zero, and it may be reset to zero more than once. How can I ...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
Embedded System
京公网安备 11010802033920号
EEWORLD
