353VB5A491T

Frequency Stability:	±25ppm
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.055" (1.40mm)
Size / Dimension:	0.197" L x 0.126" W (5.00mm x 3.20mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	25mA
Operating Temperature:	-10°C ~ 60°C
Series:	353
Voltage - Supply:	3.3V
Output:	HCMOS
Function:	Enable/Disable
Frequency:	49.152MHz
Type:	VCXO
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to 353VB5A491T Oscillators

Developed by Teledyne Semiconductor, the 353VB5A491T oscillator is a low frequency, low power, surface mount crystal oscillator that works in low power applications. This oscillator has its own set of unique features, allowing it to be used in a variety of application fields.

Overview of Applications and Working Principles

The 353VB5A491T oscillator is suitable for applications such as cellular communications, metering, smart cards, automotive electronics, telecommunications, and consumer electronics, as well as other applications requiring precision timing and frequency control.The working principle of the 353VB5A491T oscillator is based on the Piezoelectric effect. Piezoelectricity is a phenomenon that occurs when a material such as quartz is subjected to mechanical stress, and this material develops electric charges in response to this mechanical stress. In the 353VB5A491T oscillator, the quartz crystal is used to recreate this physical phenomenon when a voltage is applied to it.The basics of how the oscillator works is fairly simple. When a voltage is applied to the quartz crystal, it begins to vibrate at a specific frequency since it is an electrically charged material. The vibration of the quartz crystal sets up an alternating (AC) voltage which is then rectified and filtered to form a square wave output. This output is then made available for use by whatever the oscillator is being used for.

Specifications and Performance

The 353VB5A491T oscillator is a low power oscillator and offers voltage outputs of 5 V, 3.3 V, and 1.8 V. Its output frequency range is 0.1 MHz - 250 kHz with frequencies higher than 250 kHz having a duty cycle of 20%. The temperature stabilities, or temperature coefficients, range from -30 ppm/°C @ 0-50 °C to ±30 ppm/°C @ -20-70 °C.The 353VB5A491T oscillator is able to operate in a wide temperature range of -40°C to 75°C and is designed so that any changes in ambient temperature will have minimal effect on the output frequency. Furthermore, the oscillator is designed to be highly reliable and able to function without failure for extended periods of time.

Conclusion

In conclusion, the 353VB5A491T oscillator is a low power, low frequency crystal oscillator that is suitable for use in a variety of applications. It is based on the Piezoelectric effect and is able to produce an output frequency ranging from 0.1 MHz to 250 kHz. Despite its low power capacity, its design ensures that it is extremely reliable and able to operate in a wide temperature range of -40°C to 75°C. With these features, it is easy to see why this oscillator is a popular choice for a variety of applications.

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