Standard Frequency, High Temperature Oscillator
The SiT1618B is available in 33 standard frequencies, from 7.3728 MHz to 48 MHz, and two temperature ranges, ext. industrial and automotive. This oscillator features ±20 ppm stability, small 2.0 x 1.6 mm package (4 other packages available), 3.6 mA low power consumption, and best-in-class shock and vibration.
The SiT1618 is footprint compatible with quartz crystal oscillators, making them ideal replacements for quartz devices without design changes.
For a similar device in a SOT23-5 package, see the SiT2018B oscillator.
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| Oscillator Type | XO-SE |
| Frequency | 33 standard frequencies |
| Frequency Stability (ppm) | ±20, ±25, ±50 |
| Operating Temperature Range (°C) | -40 to +105, -40 to +125 |
| Output type | LVCMOS |
| Package Type (mm²) | 2.0x1.6, 2.5x2.0, 3.2x2.5, 5.0x3.2, 7.0x5.0 |
| Phase Jitter (RMS) | 1.3 ps |
| Features | Field programmable, High temperature 125°C |
| Voltage Supply (V) | 1.8, 2.5 to 3.3 |
| FlexEdgeTM Rise/Fall Time | Yes |
| Availability | Production |
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Five industry standard footprints as small as 2016 for all frequencies, voltages, and stabilities
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SiT1618 pin assignments with programmable pin 1 that can be set to Output Enable, Standby, or No Connect to optimize power consumption
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Configurable FlexEdge drive strength reduces EMI by slowing rise/fall time – for example the 11th clock harmonic is reduced by 35 dB by increasing the rise/fall edge from 5% to 45% of the period
±20 ppm over automotive temp. (-40 to 125 °C)
- Better timing margin ideal for outdoor and high-temp operating environment
Configurable feature sets
- 33 standard frequencies between 7.3728 MHz and 48 MHz
- 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 designs 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
- Fewer product failures
FlexEdge™ drive strength
- Slower rise/fall time that minimizes EMI from the oscillator
- Lower cost by driving multiple loads and eliminate additional timing components
5 industry-standard packages
- 100% drop-in replacement of quartz crystal oscillators
Ultra-fast lead time (4 to 6 weeks)
- Reduce inventory overhead
- Mitigate shortage risks
- Engine & transmission ECUs
- XTAL replacement
- ADAS computer
- Automotive cameras
- Infotainment
- SiT1618 7.3728MHz LVCMOS
- SiT1618 8MHz LVCMOS
- SiT1618 9.84375MHz LVCMOS
- SiT1618 12.288MHz LVCMOS
- SiT1618 12MHz LVCMOS
- SiT1618 13.52127MHz LVCMOS
- SiT1618 13.225625MHz LVCMOS
- SiT1618 13MHz LVCMOS
- SiT1618 15MHz LVCMOS
- SiT1618 19.6608MHz LVCMOS
- SiT1618 20MHz LVCMOS
- SiT1618 22.1184MHz LVCMOS
- SiT1618 24MHz LVCMOS
- SiT1618 25MHz LVCMOS
- SiT1618 26MHz LVCMOS
- SiT1618 27MHz LVCMOS
- SiT1618 30MHz LVCMOS
- SiT1618 32MHz LVCMOS
- SiT1618 36MHz LVCMOS
- SiT1618 40MHz LVCMOS
- SiT1618 48MHz LVCMOS