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SIT3373AI-1E2-33EG644.531250X

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
SiT3373
220 MHz to 725 MHz Ultra-low Jitter Differential VCXO
Features
Any frequency between 220.000001 MHz and 725 MHz
accurate to 6 decimal places
Widest pull range options: ±25, ±50, ±80, ±100, ±150, ±200,
±400, ±800, ±1600, ±3200 ppm
0.235 ps RMS phase jitter (typ) over 12 kHz to 20 MHz
bandwidth
Wide temperature range support from -40°C to 105°C
Industry-standard packages: 7.0 x 5.0 mm, 5.0 x 3.2 mm,
3.2 x 2.5 mm packages
For frequencies 1 MHz to 220 MHz, refer to SiT3372
Applications
Cable Modem Termination System (CMTS), Video,
Broadcasting System, Audio, Industrial Sensors,
Remote Radio Head (RRH)
SATA, SAS, 10GB Ethernet, Fibre Channel, PCI-Express
Optical Transport Network (OTN)
Electrical Characteristics
Table 1. 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 show in the termination diagrams. Typical values are at 25°C and nominal supply voltage.
Parameter Symbol Min. Typ. Max. Unit Condition
Frequency Range
Output Frequency Range
f 220.000001
–
725 MHz Accurate to 6 decimal places
Frequency Stability
Frequency Stability
F_stab -15
–
+15 ppm Inclusive of initial tolerance, operating temperature, rated power
supply voltage, load variations, and first year aging at 25°C.
Contact SiTime for ±15 ppm.
-25
–
+25 ppm Inclusive of initial tolerance, operating temperature, rated
power supply voltage, load variations, and first year aging
at 25°C.
-35
–
+35 ppm
-50
–
+50 ppm
Temperature Range
Operating Temperature Range
T_use -20 – +70 °C Extended Commercial
-40 – +85 °C Industrial.
-40 – +95 °C
-40 – +105 °C Extended Industrial
Supply Voltage
Supply Voltage
Vdd 2.97 3.30 3.63
V
2.70 3.00 3.30
V
2.52 2.80 3.08
V
2.25 2.50 2.75
V
Voltage Control Characteristics
Pull Range
PR ±25, ±50, ±80, ±100, ±150, ±200,
±400, ±800, ±1600, ±3200ppm
ppm See the APR (Absolute Pull Range) Table 11.
Contact SiTime for custom pull range options.
Upper Control Voltage
VC_U 90%
–
–
Vdd Voltage at which maximum frequency deviation is guaranteed
Lower Control Voltage
VC_L
–
–
10% Vdd Voltage at which minimum frequency deviation is guaranteed
Control Voltage Input Impedance
VC_z
–
10
–
MΩ
Control Voltage Input Bandwidth
V_c
–
10
–
kHz Contact SiTime for other input bandwidth options
Pull Range Linearity
Lin
–
–
1.0 %
Frequency Change Polarity
–
Positive Slope
–
Input Characteristics
Input Voltage High
VIH 70%
–
–
Vdd Pin 2, OE
Input Voltage Low
VIL
–
–
30% Vdd Pin 2, OE
Input Pull-up Impedance
Z_in
–
100 - kΩ Pin 2, OE logic high or logic low
Output Characteristics
Duty Cycle
DC 45
–
55 %
Startup and OE Timing
Start-up Time
T_start
–
–
3.0 ms Measured from the time Vdd reaches its rated minimum value.
OE Enable/Disable Time
T_oe – – 3.8 µs
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 7 and Figure 8
Rev 1.03
May 10, 2018 www.sitime.com
SiT3373
220 MHz to 725 MHz Ultra-low Jitter Differential VCXO
Rev 1.03
Page 2 of 16 www.sitime.com
Table 2. Electrical Characteristics – LVPECL Specific
Parameter Symbol Min. Typ. Max. Unit Condition
Current Consumption
Current Consumption
Idd
–
–
97 mA Excluding Load Termination Current, Vdd = 3.3V or 2.5V
OE Disable Supply Current
I_OE
–
–
63 mA OE = Low
Output Disable Leakage Current
I_leak
–
0.15
–
µA OE = Low
Maximum Output Current
I_driver
–
–
32 mA Maximum average current drawn from OUT+ or OUT-
Output Characteristics
Output High Voltage
VOH Vdd-1.15
–
Vdd-0.7
V
See Figure 3
Output Low Voltage
VOL Vdd-1.9
–
Vdd-1.5
V
See Figure 3
Output Differential Voltage Swing
V_Swing 1.2 1.6 2.0
V
See Figure 4
Rise/Fall Time
Tr, Tf
–
225 290 ps 20% to 80%, see Figure 4
Jitter – 7.0 x 5.0 mm Package
RMS Period Jitter
[1]
T_jitt
–
1.0 1.6 ps
f = 100, 156.25 or 212.5 MHz, Vdd = 3.3V or 2.5V,
Pull Range = 100 ppm.
RMS Phase Jitter (random)
T_phj
0.220 0.270 ps
f = 322.265625 MHz, Integration bandwidth = 12 kHz to 20 MHz,
all Vdd levels, includes spurs, pull range = 100 ppm.
Temperature ranges -20 to 70ºC and -40 to 85ºC.
–
0.220 0.300 ps
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 ºC and -40 to 105ºC
–
0.1
–
ps
f = 156.25 or 322.265625 MHz, IEEE802.3-2005 10GbE jitter
mask integration bandwidth = 1.875 MHz to 20 MHz, all Vdd
levels.
Jitter – 5.0 x 3.2 mm and 3.2 x 2.5 mm Packages
RMS Period Jitter
[1]
T_jitt
–
1.0 1.6 ps
f = 100, 156.25 or 212.5 MHz, Vdd = 3.3V or 2.5V,
Pull Range = 100 ppm.
RMS Phase Jitter (random)
T_phj
0.225 0.282 ps
f = 322.265625 MHz, Integration bandwidth = 12 kHz to 20 MHz,
all Vdd levels, includes spurs, pull range = 100 ppm.
Temperature ranges -20 to 70ºC and -40 to 85ºC.
–
0.225 0.315 ps
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 ºC and -40 to 105ºC
–
0.1
–
ps
f = 156.25 or 322.265625 MHz, IEEE802.3-2005 10GbE jitter
mask integration bandwidth = 1.875 MHz to 20 MHz, all
Vdd levels.
Notes:
1. Measured according to JESD65B
SiT3373
220 MHz to 725 MHz Ultra-low Jitter Differential VCXO
Rev 1.03
Page 3 of 16 www.sitime.com
Table 3. Electrical Characteristics – LVDS Specific
Parameter Symbol Min. Typ. Max. Unit Condition
Current Consumption
Current Consumption
Idd
–
–
89 mA Excluding Load Termination Current, Vdd = 3.3V or 2.5V
OE Disable Supply Current
I_OE
–
–
67 mA OE = Low
Output Disable Leakage Current
I_leak
–
0.15
–
µA
OE = Low
Output Characteristics
Differential Output Voltage
VOD 250
–
450
mV
See Figure 5
VOD Magnitude Change
∆VOD
–
–
50
mV
See Figure 5
Offset Voltage
VOS 1.125
–
1.375
V
See Figure 5
VOS Magnitude Change
∆VOS
–
–
50
mV
See Figure 5
Rise/Fall Time
Tr, Tf
–
370 470 ps
Measured with 2 pF capacitive loading to GND, 20% to 80%,
see Figure 6
Jitter – 7.0 x 5.0 mm package
RMS Period Jitter
[2]
T_jitt – 0.92 1.6 ps
f = 100, 156.25 or 212.5 MHz, Vdd = 3.3V or 2.5V,
Pull Range = 100 ppm.
RMS Phase Jitter (random)
T_phj – 0.215 0.265 ps
f = 322.265625 MHz, Integration bandwidth = 12 kHz to 20 MHz,
all Vdd levels, includes spurs, pull range = 100 ppm.
Temperature ranges -20 to 70ºC and -40 to 85ºC.
–
0.215 0.280
ps
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 ºC and -40 to 105ºC
–
0.1
–
ps
f = 156.25 or 322.265625 MHz, IEEE802.3-2005 10GbE jitter
mask integration bandwidth = 1.875 MHz to 20 MHz, includes
spurs, all Vdd levels.
Jitter – 5.0 x 3.2 mm and 3.2 x 2.5 mm packages
RMS Period Jitter
[2]
T_jitt – 0.92 1.6 ps
f = 100, 156.25 or 212.5 MHz, Vdd = 3.3V or 2.5V,
Pull Range = 100 ppm.
RMS Phase Jitter (random)
T_phj – 0.235 0.282 ps
f = 322.265625 MHz, Integration bandwidth = 12 kHz to 20 MHz,
all Vdd levels, includes spurs, pull range = 100 ppm.
Temperature ranges -20 to 70ºC and -40 to 85ºC.
–
0.235 0.310
ps
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 ºC and -40 to 105ºC
–
0.1
–
ps
f = 156.25 or 322.265625 MHz, IEEE802.3-2005 10GbE jitter
mask integration bandwidth = 1.875 MHz to 20 MHz, includes
spurs, all Vdd levels.
Notes:
2. Measured according to JESD65B
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

SIT3373AI-1E2-33EG644.531250X

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Description:
644.53125MHz, LVPECL, -40 to 85C, 25PPM, Voltage Control 150 PPM PR, 7.0x5.0, 3.3V, 250 pcs T&R
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