Ordering Information .................................................................................................................................................................... 2
Dimensions and Patterns ― 3.2 x 2.5 mm................................................................................................................................. 13
Dimensions and Patterns ― 5.0 x 3.2 mm................................................................................................................................. 13
Dimensions and Patterns ― 7.0 x 5.0 mm................................................................................................................................. 14
Additional Information ................................................................................................................................................................ 15
Revision History ......................................................................................................................................................................... 16
Rev 1.01
Page 2 of 18
www.sitime.com
SiT3342
1 MHz to 220 MHz Ultra-low Jitter, Endura™ Series 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.
1
-15
-25
-35
-50
Operating Temperature Range
T_use
-20
-40
-40
-40
Acceleration (g) sensitivity,
Gamma Vector
Supply Voltage
F_g
–
Typ.
–
–
–
–
–
–
–
–
–
–
Max.
220
+15
+25
+35
+50
+70
+85
+95
+105
0.1
Unit
MHz
ppm
ppm
ppm
ppm
°C
°C
°C
°C
ppb/g
Extended Industrial
Low sensitivity grade; total gamma over 3 axes; 15 Hz to 2 kHz;
MIL-PRF-55310, computed per section 4.8.18.3.1
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
Rugged Characteristics
Supply Voltage
Vdd
2.97
2.7
2.52
2.25
Pull Range
PR
3.3
3.0
2.8
2.5
3.63
3.3
3.08
2.75
V
V
V
V
ppm
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
Contact SiTime
for other input bandwidth options
Voltage Control Characteristics
±25, ±50, ±80, ±100, ±150,
±200, ±400, ±800, ±1600,
±3200
90%
–
–
–
–
–
–
10
10
–
–
10%
–
–
1.0
–
Input Characteristics
Input Voltage High
Input Voltage Low
Input Pull-up Impedance
Duty Cycle
Startup Time
OE Enable/Disable Time
VIH
VIL
Z_in
DC
T_start
T_oe
70%
–
–
45
–
–
–
–
100
–
–
–
–
30%
-
55
3.0
3.8
Vdd
Vdd
kΩ
%
ms
µs
Measured from the time Vdd reaches its rated minimum value
f = 156.25 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
Upper Control Voltage
Lower Control Voltage
Control Voltage Input Impedance
Control Voltage Input Bandwidth
Pull Range Linearity
Frequency Change Polarity
VC_U
VC_L
VC_z
V_c
Lin
–
Vdd
Vdd
MΩ
kHz
%
Positive Slope
Output Characteristics
Startup and OE Timing
Rev 1.01
Page 3 of 18
www.sitime.com
SiT3342
1 MHz to 220 MHz Ultra-low Jitter, Endura™ Series 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
Min.
–
–
–
–
Vdd-1.15
Vdd-2.0
1.2
–
–
–
Typ.
78
53
0.15
–
–
–
1.6
225
1.0
0.225
Max.
92
61
–
33
Vdd-0.7
Vdd-1.5
2.0
290
1.6
0.270
Unit
mA
mA
A
mA
V
V
V
ps
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 = 100, 156.25 or 212.5 MHz, Vdd = 3.3 V or 2.5 V
f = 156.25 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 = 156.25 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 MHz, IEEE802.3-2005 10 GbE jitter mask integration
bandwidth = 1.875 MHz to 20 MHz, includes spurs, all Vdd
levels
f = 100, 156.25 or 212.5 MHz, Vdd = 3.3 V or 2.5 V
f = 156.25 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 = 156.25 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 MHz, IEEE802.3-2005 10 GbE jitter mask integration
bandwidth = 1.875 MHz to 20 MHz, includes spurs, all Vdd
ABI Research最近评选并公布了全球超高频无源和高频无源 RFID芯片的前十大制造商。 前十大超高频无源芯片制造商是： 前十大高频无源芯片制造商是： 超高频的得奖名单并不出人意外，因为实际上似乎总是前三家公司获得大订单。ABI分析家 Mike Liard称，ABI很容易就评选出 Alien、Avery,和 Raflatac为全球...[详细]
控制器局部网CAN(Controller Area Network)属于现场总线的一种，是一种有效支持分布式控制或实时控制的串行通信网络，被公认为是最有前途的现场总线之一。 在工业控制系统中，电动执行器是电动单元组合仪表中一个很重要的执行单元。它由控制电路和执行机构两个在电路上完全独立的部分组成，可接收来自调节器的电控信号，将其线性地转换成机械转角或直线位移，用来操纵风门、挡板、阀门等...[详细]
2008年7月17～18日，由深圳创意时代主办的“第四届便携式产品设计与电源管理技术研讨会”在深圳隆重召开。为期两天的大会紧紧围绕便携产品设计、便携电源管理两大主题展开，引起了关于便携主题的广泛讨论。国际知名企业TI、ST 、ADI倾情参与，知名行业分析机构IN-Stat China 预测了行业的最新趋势，3M、飞兆、英飞凌、精工、爱国者、中电等国内外著名企业都发表了精彩演讲。 精彩的...[详细]
单片机
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
