52 standard frequencies between 3.57 MHz and 77.76 MHz
100% pin-to-pin drop-in replacement to quartz-based XO
Excellent total frequency stability as low as ±20 ppm
Operating temperature from -40°C to 85°C. For 125°C and/or
-55°C options, refer to
SiT1618, SiT8918, SiT8920
Low power consumption of 3.5 mA typical at 1.8V
Standby mode for longer battery life
Fast startup time of 5 ms
LVCMOS/HCMOS compatible output
Industry-standard packages: 2.0 x 1.6, 2.5 x 2.0, 3.2 x 2.5,
5.0 x 3.2, 7.0 x 5.0 mm x mm
Instant samples with
Time Machine II
and
Field Programmable
Oscillators
Ideal for DSC, DVC, DVR, IP CAM, Tablets, e-Books,
SSD, GPON, EPON, etc
Ideal for high-speed serial protocols such as: USB,
SATA, SAS, Firewire, 100M / 1G / 10G Ethernet, etc.
RoHS and REACH compliant, Pb-free, Halogen-free and
Antimony-free
For AEC-Q100 oscillators, refer to
SiT8924
and
SiT8925
Electrical Characteristics
All Min and Max limits are specified over temperature and rated operating voltage with 15 pF output load unless otherwise
stated. Typical values are at 25°C and nominal supply voltage.
Table 1. Electrical Characteristics
Parameters
Output Frequency Range
Symbol
f
Min.
Typ.
Max.
Unit
Condition
Refer to
Table 13
for the exact list of supported frequencies
Frequency Range
52 standard frequencies between
MHz
3.57 MHz and 77.76 MHz
-20
-25
-50
-20
-40
1.62
2.25
2.52
2.7
2.97
2.25
–
–
–
–
–
–
–
–
45
–
–
–
90%
Frequency Stability
F_stab
Frequency Stability and Aging
–
+20
ppm
Inclusive of initial tolerance at 25°C, 1st year aging at 25°C,
and variations over operating temperature, rated power
–
+25
ppm
supply voltage and load.
–
+50
ppm
Operating Temperature Range
–
+70
°C
Extended Commercial
–
+85
°C
Industrial
Supply Voltage and Current Consumption
1.8
1.98
V
Contact
SiTime
for 1.5V support
2.5
2.75
V
2.8
3.08
V
3.0
3.3
V
3.3
3.63
V
–
3.63
V
3.8
4.5
mA
No load condition, f = 20 MHz, Vdd = 2.8V to 3.3V
3.7
4.2
mA
No load condition, f = 20 MHz, Vdd = 2.5V
3.5
4.1
mA
No load condition, f = 20 MHz, Vdd = 1.8V
–
4.2
mA
Vdd = 2.5V to 3.3V, OE = GND, Output in high-Z state
–
4.0
mA
Vdd = 1.8 V. OE = GND, Output in high-Z state
2.6
4.3
ST = GND, Vdd = 2.8V to 3.3V, Output is weakly pulled down
̅ ̅̅
A
1.4
2.5
ST = GND, Vdd = 2.5V, Output is weakly pulled down
̅ ̅̅
A
0.6
1.3
ST = GND, Vdd = 1.8V, Output is weakly pulled down
̅ ̅̅
A
LVCMOS Output Characteristics
–
1
1.3
–
–
55
2
2.5
2
–
%
ns
ns
ns
Vdd
All Vdds. See Duty Cycle definition in
Figure 3
and
Footnote 6
Vdd = 2.5V, 2.8V, 3.0V or 3.3V, 20% - 80%
Vdd =1.8V, 20% - 80%
Vdd = 2.25V - 3.63V, 20% - 80%
IOH = -4 mA (Vdd = 3.0V or 3.3V)
IOH = -3 mA (Vdd = 2.8V and Vdd = 2.5V)
IOH = -2 mA (Vdd = 1.8V)
IOL = 4 mA (Vdd = 3.0V or 3.3V)
IOL = 3 mA (Vdd = 2.8V and Vdd = 2.5V)
IOL = 2 mA (Vdd = 1.8V)
Operating Temperature Range
T_use
Supply Voltage
Vdd
Current Consumption
Idd
OE Disable Current
Standby Current
I_OD
I_std
Duty Cycle
Rise/Fall Time
DC
Tr, Tf
Output High Voltage
VOH
Output Low Voltage
VOL
–
–
10%
Vdd
Rev 1.04
January 30, 2018
www.sitime.com
SiT1602B
Low Power, Standard Frequency Oscillator
Table 1. Electrical Characteristics (continued)
Parameters
Symbol
Min.
Typ.
–
–
87
–
–
–
–
1.8
1.8
12
14
0.5
1.3
Max.
–
30%
150
–
Unit
Pin 1, OE or ST
̅ ̅̅
Pin 1, OE or ST
̅ ̅̅
Pin 1, OE logic high or logic low, or ST logic high
̅ ̅̅
Pin 1, ST logic low
̅ ̅̅
Condition
Input Characteristics
Input High Voltage
Input Low Voltage
Input Pull-up Impedance
VIH
VIL
Z_in
70%
–
50
2
Startup Time
Enable/Disable Time
Resume Time
RMS Period Jitter
Peak-to-peak Period Jitter
RMS Phase Jitter (random)
–
–
–
–
–
T_pk
T_phj
–
–
–
–
Vdd
Vdd
k
M
ms
ns
ms
ps
ps
ps
ps
ps
ps
Startup and Resume Timing
T_start
T_oe
T_resume
T_jitt
5
138
5
Jitter
3
3
25
30
0.9
2
f = 75 MHz, Vdd = 2.5V, 2.8V, 3.0V or 3.3V
f = 75 MHz, Vdd = 1.8V
f = 75 MHz, Vdd = 2.5V, 2.8V, 3.0V or 3.3V
f = 75 MHz, Vdd = 1.8V
f = 75 MHz, Integration bandwidth = 900 kHz to 7.5 MHz
f = 75 MHz, Integration bandwidth = 12 kHz to 20 MHz
Measured from the time Vdd reaches its rated minimum value
f = 77.76 MHz. For other frequencies, T_oe = 100 ns + 3 *
cycles
Measured from the time ST pin crosses 50% threshold
̅ ̅̅
Table 2. Pin Description
Pin
Symbol
[1]
Functionality
Output Enable
H : specified frequency output
L: output is high impedance. Only output driver is disabled.
H : specified frequency output
L: output is low (weak pull down). Device goes to sleep mode. Supply
current reduces to I_std.
Any voltage between 0 and Vdd or Open : Specified frequency
output. Pin 1 has no function.
Electrical ground
Oscillator output
Power supply voltage
[2]
[1]
[1]
Top View
OE/ST/NC
VDD
1
OE/ST /NC
̅ ̅̅
Standby
No Connect
2
3
4
GND
OUT
VDD
Power
Output
Power
GND
OUT
Figure 1. Pin Assignments
Notes:
1. In OE or ST mode, a pull-up resistor of 10 kΩ or less is recommended if pin 1 is not externally driven. If pin 1 needs to be left floating, use the NC option.
̅ ̅̅
2. A capacitor of value 0.1 µF or higher between Vdd and GND is required.
Rev 1.04
Page 2 of 17
www.sitime.com
SiT1602B
Low Power, Standard Frequency Oscillator
Table 3. Absolute Maximum Limits
Attempted operation outside the absolute maximum ratings may cause permanent damage to the part. Actual performance
of the IC is only guaranteed within the operational specifications, not at absolute maximum rat ings.
Parameter
Storage Temperature
Vdd
Electrostatic Discharge
Soldering Temperature (follow standard Pb free
soldering guidelines)
Junction Temperature
[3]
Min.
-65
-0.5
–
–
–
Max.
150
4
2000
260
150
Unit
°C
V
V
°C
°C
Note:
3. Exceeding this temperature for extended period of time may damage the device.
Table 4. Thermal Consideration
[4]
Package
7050
5032
3225
2520
2016
Note:
4. Refer to JESD51 for
JA
and
JC
definitions, and reference layout used to determine the
JA
and
JC
values in the above table.
JA, 4 Layer Board
(°C/W)
142
97
109
117
152
JA, 2 Layer Board
(°C/W)
273
199
212
222
252
JC, Bottom
(°C/W)
30
24
27
26
36
Table 5. Maximum Operating Junction Temperature
[5]
Max Operating Temperature (ambient)
70°C
85°C
Maximum Operating Junction Temperature
80°C
95°C
Note:
5. Datasheet specifications are not guaranteed if junction temperature exceeds the maximum operating junction temperature.
Table 6. Environmental Compliance
Parameter
Mechanical Shock
Mechanical Vibration
Temperature Cycle
Solderability
Moisture Sensitivity Level
Condition/Test Method
MIL-STD-883F, Method 2002
MIL-STD-883F, Method 2007
JESD22, Method A104
MIL-STD-883F, Method 2003
MSL1 @ 260°C
Rev 1.04
Page 3 of 17
www.sitime.com
SiT1602B
Low Power, Standard Frequency Oscillator
Test Circuit and Waveform
[6]
Vdd
Vout
Test Point
tr
80% Vdd
tf
4
Power
Supply
0.1 uF
1
3
2
15pF
(including probe
and fixture
capacitance)
50%
20% Vdd
High Pulse
(TH)
Period
Low Pulse
(TL)
Vdd
OE/ST Function
1 kΩ
Figure 2. Test Circuit
Note:
6. Duty Cycle is computed as Duty Cycle = TH/Period.
Figure 3. Waveform
Timing Diagrams
90% Vdd
Vdd
Vdd
50% Vdd
[7]
Pin 4 Voltage
T_start
No Glitch
during start up
ST Voltage
T_resume
CLK Output
HZ
T_start: Time to start from power-off
CLK Output
HZ
T_resume: Time to resume from ST
Figure 4. Startup Timing (OE/ ST̅ Mode)
̅ ̅
Figure 5. Standby Resume Timing ( ST̅ Mode Only)
̅ ̅
Vdd
50% Vdd
OE Voltage
T_oe
Vdd
OE Voltage
50% Vdd
T_oe
CLK Output
HZ
T_oe: Time to re-enable the clock output
CLK Output
HZ
T_oe: Time to put the output in High Z mode
Figure 6. OE Enable Timing (OE Mode Only)
Figure 7. OE Disable Timing (OE Mode Only)
Note:
7. SiT1602 has “no runt” pulses and “no glitch” output during startup or resume.
The magnetic field on the surface of a cylindrical magnet is 4000Gs. If 10 of the same type of magnets are stacked in the same direction, the magnetic field is only 5400GS. Why is it not 4000GS * 10 =...
[size=4][color=#ff0000]The following is the main function of my program. I use g2553 to debug AD and display it on 5110; [/color][/size] [size=4][color=#ff0000]There are many changes in the registers ...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:06[/i] [size=5][color=#ff00ff]2013 Electronic Design Competition Shaanxi Division Winners List (Official)[/color][/size] [color=#ff00ff][font...
Designers use PSpice primarily to simulate analog circuits. However, it can also be used to simulate digital filters. The main components in a digital filter are delay elements, adders, and multipl...[Details]
Magnetic resonance imaging (MRI) systems can take high-resolution cross-sectional perspective images of the human body, providing very useful information for medical diagnosis. The radio frequency pro...[Details]
1. Introduction
At present, with the continuous development of modern medical devices, especially electronic instruments directly connected to the human body, in addition to the increasingly high...[Details]
The particularity of portable medical devices determines that they should be user-friendly, must work in a sterile environment, and occupy little space and consume low energy.
At the same time, por...[Details]
In some warehousing management, manufacturing, meteorological observation, scientific research and daily life, the requirements for temperature and humidity are common. For example, the "Interim Pr...[Details]
0 Introduction
SAA7111 is a programmable video processor produced by Philips. The chip integrates A/D and decoding functions. It has phase lock, automatic clamp, automatic gain control, cl...[Details]
In electronic measurement technology, frequency measurement is one of the most basic measurements. The commonly used frequency measurement method and period measurement method have great limitation...[Details]
Many MEMS devices, such as accelerometers and mechanical resonance devices, require a vacuum environment to realize their designed functions. However, verifying whether the package cavity has reach...[Details]
Wireless personal area networks (or WPANs) are particularly useful for sensing, monitoring, and control applications. Cost-effective WPANs have the unique potential to implement wireless connectivi...[Details]
introduction
Taking care of babies is very tiring because they wake up and sleep frequently, and activities such as feeding and changing clothes will take up a lot of adults' time and energy. ...[Details]
introduction
The fall detector is suitable for elderly people and children with poor self-care and self-protection abilities. It senses changes in the body posture of the individual wearing th...[Details]
Abstract:
This paper
introduces a data acquisition system based on USB and DSP, which takes advantage of the high-speed transmission characteristics of USB2.0. The overall structure of the ...[Details]
Global IP Solutions (GIPS), a leading provider of high-quality IP multimedia processing solutions, announced that GIPS has enabled Voice over Internet Protocol (VoIP) capabilities for Apple's iPhon...[Details]
Introduction
High voltage power supply is an indispensable part of nuclear radiation detection instrument, which supplies high voltage to nuclear radiation detection devices (such as prop...[Details]
0 Introduction
Implantable medical devices can be divided into two types: passive and active. Most passive implantable medical devices are non-electronic products, such as contact lenses, hear...[Details]
Integrated technical exchanges
京公网安备 11010802033920号
EEWORLD
