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SIT3921AI-1CF-33NZ174.703084T

Description
OSC DCXO 174.703084MHZ LVPECL
CategoryPassive components    oscillator   
File Size380KB,12 Pages
ManufacturerSiTime
Environmental Compliance
Download Datasheet Parametric View All

SIT3921AI-1CF-33NZ174.703084T Overview

OSC DCXO 174.703084MHZ LVPECL

SIT3921AI-1CF-33NZ174.703084T Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerSiTime
Reach Compliance Codecompliant
Factory Lead Time8 weeks
Other featuresTR
maximum descent time0.5 ns
Frequency Adjustment - MechanicalNO
frequency stability10%
Installation featuresSURFACE MOUNT
Nominal operating frequency174.703084 MHz
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Oscillator typeLVPECL
Output load50 OHM
physical size5.0mm x 3.2mm x 0.75mm
longest rise time0.5 ns
Maximum supply voltage3.63 V
Minimum supply voltage2.97 V
Nominal supply voltage3.3 V
surface mountYES
maximum symmetry55/45 %
Base Number Matches1
SiT3921
Digitally Controlled Differential Oscillator (DCXO)
The Smart Timing Choice
The Smart Timing Choice
Features
Applications
Factory programmable between 1 MHz and 220 MHz accurate to 6
decimal places
Digital controlled pull range
Widest pull range options: ±25, ±50, ±100, ±200, ±400, ±800, ±1600
ppm
Superior pull range linearity of <= 1%, 10 times better than quartz
< 1ps RMS phase jitter (random) over 12 kHz to 20 MHz bandwidth
Industrial and extended commercial temperature ranges
Industry-standard packages: 3.2 mm x 2.5 mm, 5.0 mm x 3.2 mm and
7.0 mm x 5.0 mm
For frequencies higher than 220 MHz, refer to SiT3922 datasheet
Ideal for SONET, Video, Instrumentation, Satellite applications
Telecom, networking, broadband
Electrical Characteristics
Parameters
Output Frequency Range
Frequency Stability
Symbol
f
F_stab
Min.
1
-10
-25
-50
Operating Temperature Range
Start-up Time
Duty Cycle
Pull Range
Linearity
Frequency Change Polarity
First Year Aging
10-year Aging
Input Low Voltage
Input Middle Voltage
Input High Voltage
Input High or Low Pulse Width
Input Middle Pulse Width
Input to Output Isolation
Input Impedance
Input Capacitance
Zin
Cin
TBD
2.97
2.25
Vdd-1.1
Vdd-1.9
1.2
RMS Period Jitter
RMS Phase Jitter (random)
T_jitt
T_phj
3.3
2.5
61
1.6
300
1.2
1.2
1.2
0.5
TBD
3.63
2.75
69
30
Vdd-0.7
Vdd-1.5
2.0
500
1.7
1.7
1.7
0.75
T_use
T_start
DC
PR
Lin
F_aging
VIL
VIM
VIH
T_logic
T_middle
-1.5
-5
0.4xVdd
0.8xVdd
500
500
-40
-20
45
Typ.
Max.
220
+10
+25
+50
+85
+70
10
55
Unit
MHz
ppm
ppm
ppm
°C
°C
ms
%
ppm
%
+1.5
+5
0.2xVdd
0.6xVdd
ppm
ppm
V
V
V
ns
ns
TBD
pF
V
V
mA
mA
V
V
V
ps
ps
ps
ps
ps
Excluding Load Termination Current, Vdd = 3.3V or 2.5V
Maximum average current drawn from OUT+ or OUT-
See Figure 9
See Figure 9
See Figure 9
20% to 80%
f = 100 MHz, Vdd = 3.3V or 2.5V
f = 156.25 MHz, Vdd = 3.3V or 2.5V
f = 212.5 MHz, Vdd = 3.3V or 2.5V
f = 156.25 MHz, Integration bandwidth = 12 kHz to 20 MHz, all
Vdds
Pin 1
Pin 1
25°C
85°C
Contact SiTime for tighter duty cycle
See the last page for Absolute Pull Range, APR table
Industrial
Extended Commercial
Inclusive of initial tolerance, operating temperature, rated power,
supply voltage and load change
Condition
LVPECL and LVDS, Common DC and AC Characteristics
±25, ±50, ±100,
±200, ±400, ±800, ±1600
0.2
Positive Slope
1
LVPECL, DC and AC Characteristics
Supply Voltage
Current Consumption
Maximum Output Current
Output High Voltage
Output Low Voltage
Output Differential Voltage Swing
Rise/Fall Time
Vdd
Idd
I-driver
VOH
VOL
V_Swing
Tr, Tf
SiTime Corporation
Rev. 1.1
990 Almanor Avenue
Sunnyvale, CA 94085
(408) 328-4400
www.sitime.com
Revised December 2, 2014
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