100% pin-to-pin drop-in replacement to quartz-based TCXO
■
Excellent total frequency stability as low as ±0.5 PPM
■
Ultra low phase jitter: 0.5 ps (12 kHz to 20 MHz)
■
Voltage control option with pull range of ±12.5 PPM
■
LVCMOS/HCMOS compatible output
■
Voltage control, standby, output enable or no connect modes
■
Three industry-standard 4-pin packages: 3.2 x 2.5, 5.0 x 3.2, 7.0 x 5.0 mm (For 6-pin, contact SiTime)
■
Outstanding silicon reliability of 2 FIT (10x improvement over quartz-based devices)
■
Ultra short lead time
■
Ideal for telecom, networking, smart meter, GPS and wireless applications
■
Specifications
Electrical Characteristics
Parameter
Output Frequency Range
Frequency Stability
Initial tolerance
Stability over temperature
Symbol
f
F_init
F_stab
Min.
1
-1
-0.5
-1
-1.5
-2.5
-5
Supply Voltage
Output Load
Aging
Operating Temperature Range
Supply Voltage
F_vdd
F_load
F_aging
T_use
Vdd
–
–
–1.0
-20
-40
1.71
2.25
2.52
2.70
2.97
10
–
–
–
–
45
–
90%
–
–
70%
–
–
–
–
–
–
Typ.
–
–
–
–
–
–
–
50
0.1
–
–
–
1.8
2.5
2.8
3.0
3.3
±12.5, ±25, ±50
–
Positive slope
–
32
31
10
–
1.5
–
–
–
–
–
–
–
6
1.7
0.5
Max.
80
1
+0.5
+1
+1.5
+2.5
+5
–
–
1.0
+70
+85
1.89
2.75
3.08
3.3
3.63
90
8
TBD
TBD
TBD
55
–
–
10%
15
–
30%
10
TBD
TBD
–
–
PPB
PPM
PPM
°C
°C
V
V
V
V
V
PPM
%VDD
–
kHz
mA
mA
μA
%
ns
Vdd
Vdd
pF
Vdd
Vdd
ms
ms
ms
ps
ps
Unit
MHz
PPM
PPM
PPM
PPM
PPM
Condition
Refer to the freqeuncy list (back page) for available frequencies
at 25°C
Over operating temperature range at rated nominal power supply-
voltage (1.8V, 2.5V, 2.8V, 3.0V or 3.3V) and nominal load (15 pF).
±10% Vdd (±5% for Vdd = 1.8V)
±10% of
15 pF load
1st year, 25°C
Extended Commercial
Industrial
Pull Range
Control Voltage
Frequency Change Polarity
Control Voltage -3dB Bandwidth
Current Consumption
Standby Current
Duty Cycle
Rise/Fall Time
Output Voltage High
Output Voltage Low
Output Load
Input Voltage High
Input Voltage Low
Startup Time
OE Enable/Disable Time
Resume Time
RMS Period Jitter
RMS Phase Jitter (random)
PR
VC
–
V_BW
Idd
I_stby
DC
Tr, Tf
VOH
VOL
Load
VIH
VIL
T_start
T_oe
T_resume
T_jitt
T_phj
No load condition, f = 20 MHz, Vdd = 2.5 V, 2.8 V 3.0 V or 3.3 V
No load condition, f = 20 MHz, Vdd = 1.8 V
ST = GND, All Vdd, Weak internal pull down
All Vdds.
15 pF load, 10% - 90% Vdd
IOH = TBD mA
IOL = TBD mA
At maximum frequency and supply voltage. Contact SiTime for higher
output load option
Pin 1, OE or ST
Pin 1, OE or ST
Measured from the time Vdd reaches its rated minimum value
Measured from the time ST pin crosses 50% threshold
f = 10 MHz, all Vdds
f = 10 MHz, Integration bandwidth = 12 kHz to 20MHz,
All Vdds
SiTime Corporation
Rev. 0.51
990 Almanor Avenue
Sunnyvale, CA 94085
(408) 328-4400
www.sitime.com
Revised August 18, 2011
SiT5000
Standard Frequency MEMS TCXO and VCTCXO
Advanced Information
■
Specifications (Cont.)
Pin Description Tables
Pin #1 Functionality
VIN
0 - Vdd: produces voltage dependent frequency change
OE
H or Open
[1]
: specified frequency output
L: output is high impedance
ST
H or Open
[1]
: specified frequency output
L: output is low level (weak pull down). Oscillation stops
NC
H or L or Open: No effect on device functions
Pin Map
Pin
1
2
3
4
Connection
OE/ST/NC/VC
GND
CLK
VDD
Absolute Maximum Ratings
Attempted operation outside the absolute maximum ratings of the part may cause permanent damage to the part. Actual performance of the IC
is only guaranteed within the operational specifications, not at absolute maximum ratings.
Parameter
Storage Temperature
VDD
Electrostatic Discharge (Human Body Model)
Soldering Temperature (follow standard Pb free soldering guidelines)
Number of Program Writes
Program Retention over -40 to 125°C, Process, VDD (0 to 3.65 V)
Min.
-65
-0.5
–
–
–
1,000+
Max.
150
4
2000
260
1
–
Unit
°C
V
V
°C
NA
years
Environmental Compliance
Parameter
Mechanical Shock
Mechanical Vibration
Temperature Cycle
Solderability
Moisture Sensitivity Level (MSL)
Condition/Test Method
MIL-STD-883F, Method 2002
MIL-STD-883F, Method 2007
JESD22, Method A104
MIL-STD-883F, Method 2003
MSL1 @ 260°C
Phase Noise Plot
P h a s e N o is e , 1 0 M H z c a r r ie r , 3 .3 V , L V C M O S o u tp u t, T C X O
-1 0 0
-1 1 0
-1 2 0
-1 3 0
-1 4 0
-1 5 0
-1 6 0
-1 7 0
3
10
In te g r a te d r a n d o m p h a s e jit te r ( R M S , 1 2 k H z - 5 M H z ) : 0 .5 2 p s
Phase Noise (dBc/Hz)
10
4
10
F r e q u e n c y O ffs e t ( H z )
5
10
6
Note:
1. In 1.8V mode, a resistor of <100 kΩ between OE pin and Vdd is required. For other supply voltage options, SiTime recommends using a similar pull-up resistor.
Rev. 0.51
Page 2 of 4
www.sitime.com
SiT5000
Standard Frequency MEMS TCXO and VCTCXO
Advanced Information
‘‘
■
Dimensions and Land Patterns
Package Size – Dimensions (Unit: mm)
[2]
3.2 x 2.5 x 0.75 mm
3.2 ± 0.15
#4
#3
#3
Recommended Land Pattern (Unit: mm)
[3]
2.1
#4
2.2
0.9
YXXXX
2.5 ± 0.15
0.75 ± 0.05
0.9
1.4
5.0 x 3.2 x 0.75 mm
5.0 ± 0.15
#4
#3
#3
2.39
#4
2.54
YXXXX
3.2 ± 0.15
0.8
0.75 ± 0.05
1.15
1.5
7.0 x 5.0 x 0.90 mm
7.0 ± 0.15
5.08
5.08
5.0 ± 0.15
2.6
YXXXX
1.1
3.81
0.90 ± 0.10
1.4
2.2
Notes:
2. Top marking: Y denotes manufacturing origin and XXXX denotes manufacturing lot number. The value of “Y” will depend on the assembly location of the device.
3. A capacitor of value 0.1
μF
between Vdd and GND is recommended.
Rev. 0.51
Page 3 of 4
2.0
1.6
#1
#2
#2
#1
1.1
2.2
1.2
#1
#2
#2
#1
0.7
1.9
www.sitime.com
SiT5000
Standard Frequency MEMS TCXO and VCTCXO
Advanced Information
■
Part No. Guide
-
How to Order
SiT5000AC -2D-18VQ-1 9 .200000T
Packaging
Part Family
SiT5000
Revision Letter
“A” is the revision
Temperature Range
“C” Commercial, -20 to 70ºC
“I” Industrial, -40 to 85ºC
Output Waveform
“-“ Default
[4]
Package Size
“2” 3.2 x 2.5 mm
“3” 5.0 x 3.2 mm
“8” 7.0 x 5.0 mm
Frequency Stability
“K” for ±0.5 PPM
“A” for ±1.0 PPM
“B” for ±1.5 PPM
“D” for ±2.5 PPM
“E” for ±5 PPM
“T”: Tape & Reel, 3K reel
“Y”: Tape & Reel, 1K reel
Blank for Bulk
Frequency
See supported frequency list
“0” for fixed frequency
(Pin1 = “E”, “S” or “N” options)
Pull Range Options
(Pin1 = “V” option only)
“Q” for ±12.5 PPM
Feature Pin (pin 1)
“V” for Voltage Control
“E” for Output Enable
“S” for Standby
“N” for No Connect
Supply Voltage
“18” for 1.8 V ±5%
“25” for 2.5 V ±10%
“28” for 2.8 V ±10%
“30” for 3.0 V ±10%
“33” for 3.3 V ±10%
Supported Frequencies
10 MHz
16.3676 MHz
20.8 MHz
12 MHz
24 MHz
12.288 MHz
25 MHz
12.8 MHz
16.369 MHz
26 MHz
13 MHz
16.8 MHz
27.456 MHz
14.4 MHz
19.2 MHz
33.6 MHz
14.7456 MHz
19.44 MHz
38.4 MHz
16 MHz
19.68 MHz
40 MHz
16.357 MHz
20 MHz
16.367667 MHz 16.368 MHz
Notes:
4. Contact SiTime for SoftEdge
TM
output waveform that reduces EMI and is similar to clipped sinewave in functionality
Product which is caused in whole or in part by (i) use of any circuitry other than circuitry embodied in a SiTime product, (ii) misuse or abuse including static discharge, neglect or accident, (iii)
unauthorized modification or repairs which have been soldered or altered during assembly and are not capable of being tested by SiTime under its normal test conditions, or (iv) improper
installation, storage, handling, warehousing or transportation, or (v) being subjected to unusual physical, thermal, or electrical stress.
Disclaimer:
SiTime makes no warranty of any kind, express or implied, with regard to this material, and specifically disclaims any and all express or implied warranties, either in fact or by
operation of law, statutory or otherwise, including the implied warranties of merchantability and fitness for use or a particular purpose, and any implied warranty arising from course of dealing or
usage of trade, as well as any common-law duties relating to accuracy or lack of negligence, with respect to this material, any sitime product and any product documentation. products sold by
sitme are not suitable or intended to be used in a life support application or component, to operate nuclear facilities, or in other mission critical applications where human life may be involved or
at stake. all sales are made conditioned upon compliance with the critical uses policy set forth below.
CRITICAL USE EXCLUSION POLICY
BUYER AGREES NOT TO USE SITIME'S PRODUCTS FOR ANY APPLICATION OR IN ANY COMPONENTS USED IN LIFE SUPPORT DEVICES OR TO OPERATE NUCLEAR FACILITIES
OR FOR USE IN OTHER MISSION-CRITICAL APPLICATIONS OR COMPONENTS WHERE HUMAN LIFE OR PROPERTY MAY BE AT STAKE.
SiTime owns all rights, title and interest to the intellectual property related to SiTime's products, including any software, firmware, copyright, patent, or trademark. The sale of SiTime products
does not convey or imply any license under patent or other rights. SiTime retains the copyright and trademark rights in all documents, catalogs and plans supplied pursuant to or ancillary to
the sale of products or services by SiTime. Unless otherwise agreed to in writing by SiTime, any reproduction, modification, translation, compilation, or representation of this material shall be
A while ago, I bought a second-hand Tonghui TH2817A 100K precision LCR digital bridge out of boredom. This is a classic LCR digital bridge product with a good reputation from Tonghui. It has an accura...
I want to measure the thyristor phase-shift trigger circuit, and the waveform is shown in the solid line part of the figure below:Its peak voltage is close to 230V. Such a high voltage and strange wav...
Chapter 1 Company Development History and Introduction·The world history of the 21st century is the history of economic development. Economic development is undoubtedly the development of science and ...
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[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]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
DCDC means DC to DC (conversion of different DC power values). Anything that meets this definition can be called a DCDC converter. Specifically, it means converting the input DC into AC through a s...[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[Details]
This paper describes the design method of electronic multifunctional watt-hour meter, the key technology of hardware design and the software design process. Taking NEC's μPD78F0338 microcontroller ...[Details]
Preface
DS18B2 is generally used in conjunction with a single-chip microcomputer, and there are few reports on
the interface between
DSP
and DS18B20. Therefore, this article introdu...[Details]
introduction
Frequency characteristic tester
Also known as sweep frequency meter or frequency response analyzer, it uses a rectangular oscilloscope with internal scale as
a displ...[Details]