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SIT2025BI-S3-28E-125.000000G

P1-P3P4-P6P7-P9P10-P12P13-P15
SiT
2025B
High Frequency, Automotive AEC
-Q100 SOT23 Oscillator
Features
AEC-Q100 with extended temperature range (-55°C to 125°C)
Frequencies between 115.2 MHz and 137 MHz accurate to 6
de
cimal points
100% pin-to-pin drop-in replacement to quartz-based XO
Excellent total frequency stability as low as ±20 ppm
Industry best G-sensitivity of 0.1 PPB/G
LVCMOS/LVTTL compatible output
5-pin SOT23-5 package: 2.9 x 2.8 mm x mm
RoHS and REACH compliant, Pb-free, Halogen-free and
Antimony-free
Applications
Automotive, extreme temperature and other high-rel
electronics
Infotainment systems, collision detection devices, and
i
n-vehicle networking
Powertrain control
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 Symbol Min. Typ. Max. Unit Condition
Frequency Range
Output Frequency Range
f
115.20
–
137
MHz
Refer to Table 14 and Table 15 for the exact list of supported frequencies
Frequency Stability and Aging
Frequency Stability
F_stab
-20 – +20 ppm
Inclusive of Initial tolerance at 25°C, 1st year aging at 25°C, and varia-
tions over operating temperature, rated power supply voltage and load
(15 pF ± 10%).
-25 – +25 ppm
-30
–
+30
ppm
-50
–
+50
ppm
Operating Temperature Range
Operating Temperature
Range (ambient)v
T_use
-40
–
+85
°C
Industrial, AEC-Q100 Grade 3
-40
–
+105
°C
Extended Industrial, AEC-Q100 Grade 2
-40 – +125 °C Automotive, AEC-Q100 Grade 1
-55
–
+125
°C
Extended Temperature, AEC-Q100
Supply Voltage and Current Consumption
Supply Voltage
Vdd
1.62
1.8
1.98
V
All voltages between 2.25V and 3.63V including 2.5V, 2.8V, 3.0V and 3.3V
are supported. Contact SiTime for 1.5V support
2.25
–
3.63
V
Current Consumption Idd
– 6 8 mA
No load condition, f = 125 MHz, Vdd = 2.25V to 3.63V
–
4.9
6
mA
No load condition, f = 125 MHz, Vdd = 1.62V to 1.98V
LVCMOS Output Characteristics
Duty Cycle
DC
45
–
55
%
Rise/Fall Time
Tr, Tf
–
1.5
3
ns
Vdd = 2.25V - 3.63V, 20% - 80%
–
1.5
2.5
ns
Vdd = 1.8V, 20% - 80%
Output High Voltage VOH 90% – – Vdd
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)
Output Low Voltage VOL – – 10% Vdd 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)
Input Characteristics
Input High Voltage
VIH
70%
–
–
Vdd
Pin 1, OE
Input Low Voltage
VIL
–
–
30%
Vdd
Pin 1, OE
Input Pull-up Impedence
Z_in – 100 – kΩ
Pin 1, OE logic high or logic low
Startup and Resume Timing
Startup Time
T_start
– – 5 ms Measured from the time Vdd reaches its rated minimum value
Enable/Disable Time
T_oe
–
–
130
ns
f = 115.20 MHz. For other frequencies, T_oe = 100 ns + 3 * cycles
Jitter
RMS Period Jitter
T_jitt
– 1.6 2.5 ps f = 125 MHz, 2.25V to 3.63V
–
1.8
3
ps
f = 125 MHz, 1.8V
RMS Phase Jitter (random)
T_phj
–
0.7
–
ps
f = 125 MHz, Integration bandwidth = 900 kHz to 7.5 MHz
–
1.5
–
ps
f = 125 MHz, Integration bandwidth = 12 kHz to 20 MHz
Rev 1.5 December 14, 2016
www.sitime.com
SiT2025B
High Frequency, Automotive AEC-Q100 SOT23 Oscillator
Rev. 1.5
Page 2 of 15
www.sitime.com
Table 2. Pin Description
Pin Symbol
Functionality
1
GND
Power
Electrical ground
[1]
2
NC
No Connect No connect
3 OE/NC
Output Enable
H
[2]
: specified frequency output
L: output is high impedance. Only output driver is disabled.
No Connect
Any voltage between 0 and Vdd or Open
[2]
: Specified frequency
output. Pin 3 has no function.
4
VDD
Power Power supply voltage
[1]
5
OUT
Output Oscillator output
Notes:
1. A capacitor of value 0.1 µF or higher between Vdd and GND is required.
2. In OE or ST mode, a pull-up resistor of 10 kΩ or less is recommended if pin 3 is not externally driven.
If pin 3 needs to be left floating, use the NC option.
Top View
GND
1
NC
2
OE/NC
3
VDD
4
OUT
5
YXXXX
Figure 1. Pin Assignments
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 ratings.
Parameter Min. Max. Unit
Storage Temperature
-65 150 °C
Vdd
-0.5 4 V
Electrostatic Discharge
– 2000 V
Soldering Temperature (follow standard Pb free
soldering guidelines)
– 260 °C
Junction Temperature
[3]
– 150 °C
Note:
3. Exceeding this temperature for extended period of time may damage the device.
Table 4. Thermal Consideration
[4]
Package
θ
JA, 4 Layer Board
(°C/W)
θ
JC, Bottom
(°C/W)
SOT23-5 421 175
Note:
4. Refer to JESD51 for θJA and θJC definitions, and reference layout used to determine the θJA and θJC values in the above table.
Table 5. Maximum Operating Junction Temperature
[5]
Max Operating Temperature (ambient) Maximum Operating Junction Temperature
85°C 95°C
105°C 115°C
125°C 135°C
Note:
5. Datasheet specifications are not guaranteed if junction temperature exceeds the maximum operating junction temperature.
Table 6. Environmental Compliance
Parameter Condition/Test Method
Mechanical Shock
MIL-STD-883F, Method 2002
Mechanical Vibration
MIL-STD-883F, Method 2007
Temperature Cycle
JESD22, Method A104
Solderability
MIL-STD-883F, Method 2003
Moisture Sensitivity Level
MSL1 @ 260°C
SiT2025B
High Frequency, Automotive AEC-Q100 SOT23 Oscillator
Rev. 1.5
Page 3 of 15
www.sitime.com
Test Circuit and Waveform
[6]
5
1
4
3
0.1µF
Power
Supply
OE/ST Function
Test
Point
15 pF
(including probe
and fixture
capacitance)
Vdd
2
Vout
Vdd
1k
Figure 2. Test Circuit
80% Vdd
High Pulse
(TH)
50%
20% Vdd
Period
tftr
Low Pulse
(TL)
Figure 3. Waveform
Note:
6. SiT2025 has “no runt” pulses and “no glitch” output during startup or resume.
Timing Diagrams
90
% Vdd
Vdd
Pin 4 Voltage
CLK Output
T_start
T_start: Time to start from power-off
No Glitch
during start up
[7]
HZ
Figure 4. Startup Timing (OE Mode)
50% Vdd
Vdd
OE Voltage
CLK Output
T_
oe
T
_oe
:
Time to re-enable the clock output
HZ
Figure 5. OE Enable Timing (OE Mode Only)
50% Vdd
Vdd
OE Voltage
CLK Output
T_oe: Time to put the output in High Z mode
HZ
T_oe
Figure 6. OE Disable Timing (OE Mode Only)
Note:
7. SiT2025 has “no runt” pulses and “no glitch” output during startup or resume.
P1-P3P4-P6P7-P9P10-P12P13-P15

SIT2025BI-S3-28E-125.000000G

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Description:
MEMS OSC XO 125.0000MHZ LVCMOS
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