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The SiT2019B oscillator comes in a SOT23 package for the best board-level solder joint reliability and low-cost, optical-ONLY board-level inspection. This device features a wide frequency range, excellent stability, and the shortest lead time for industrial, medical, automotive, avionics, and other high-temperature applications. This device also features the industry's best 0.1 ppb/g vibration sensitivity, 50,000 g shock and 70 g vibration resistance.

For the same device in SMD packages, refer to the SiT8919B clock oscillator.

FlexEdgeTM Rise/Fall Time
Yes
Frequency
115 to 137 MHz
Frequency Stability (ppm)
±20, ±25, ±50
Operating Temperature Range (°C)
-40 to +105, -40 to +125
Oscillator Type
XO-SE
Output type
LVCMOS
Package Type
SOT23(2.9x2.8)
Phase Jitter
1.3 ps
Features
Field programmable, High temperature 125°C, SOT23-5
Voltage Supply (V)
1.8, 2.5 to 3.3
Availability
Production
Applications
  • Industrial sensors
  • Servo motors
  • Industrial control systems
  • High-temp. networking gears
  • Medical video CAM
  • Asset Tracking
  • Precision GNSS
  • GPS/GNSS Modules
  • Railroads

2019b

Features & Benefits

+/-20 ppm over automotive temp. (-40 to 125 °C)

  • Better timing margin ideal for outdoor and high-temp. operating environment

Configurable feature sets

  • Any frequency between 110 to 137 MHz with 6 decimal places of accuracy
  • 1.8 V or 2.5 V to 3.3 V supply voltage
  • Customize specification for optimal system performance
  • Use same base device for many design, reducing qualification needs

0.1 ppb/g low g-sensitivity:

  • Improved system performance under vibration
  • Carrier drop-test compliance (STB, etc.);

70 g vibration and 50,000 g shock

  • Best system reliability in harsh environments;

FlexEdge™ rise/fall time

  • Optimize EMI to reduce interference to other subsystems;

SOT23-5 package

  • Best board-level soldering joint reliability
  • Easy, low-cost, optical-only, board-level inspection of solder joint;

Fast lead time (4 to 6 weeks)

  • Reduce inventory overhead
  • Mitigate shortage risks

 

Performance Reports

The following PDF reports contain details of actual measurements on SiTime devices at the frequencies mentioned below and are intended to supplement the datasheet. Measurement conditions and equipment are specified in the individual files. If you desire a more detailed report than the ones provided below, please contact your local SiTime sales representative or email salessupport@sitime.com.

IBIS Models

LVCMOS IBIS 1.8V SiT2019 (LVCMOS, 1.8 V)
LVCMOS IBIS 2.0.1.9V SiT2019 (LVCMOS, 2.25 to 3.63 V)
LVCMOS IBIS 2.5V SiT2019 (LVCMOS, 2.5 V)
LVCMOS IBIS 2.8V SiT2019 (LVCMOS, 2.8 V)
LVCMOS IBIS 3.0V SiT2019 (LVCMOS, 3.0 V)
LVCMOS IBIS 3.3V SiT2019 (LVCMOS, 3.3 V)

Quality Documents

Additional Resources