638L156G5C2T

Series:	638
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	XO (Standard)
Function:	Enable/Disable
Output:	LVDS
Voltage - Supply:	2.5V
Frequency Stability:	±25ppm
Operating Temperature:	-20°C ~ 70°C
Current - Supply (Max):	66mA
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	6-SMD, No Lead
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Height - Seated (Max):	0.079" (2.00mm)
Current - Supply (Disable) (Max):	--

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Oscillators

Application Field and Working Principle of 638L156G5C2T

Oscillators are circuits that produce an output signal that, with no external input, repeats continuously, maintaining the same frequency. They find wide applications when there is a need for generating electrical signals of predetermined frequency. They can be employed in producing various signals at different frequencies for test and measurement purposes. One of the most commonly used type of oscillators is 638L156G5C2T, which is employed in a great variety of electronic devices and equipment.The 638L156G5C2T oscillator is a miniature, miniature surface-mounted crystal oscillator –or SMD crystal oscillator– and it is particularly suitable for small-volume and highly integrated applications. This oscillator works exploiting the natural crystal properties, which are combined with an electro-magnetic circuit to allow the oscillator to determine the output frequency. The 638L156G5C2T oscillator uses a pair of quartz crystal plates as the main component and its operation is based on the quartz crystal resonator which reveals an extraordinary stability in its oscillatory behaviour.This type of oscillator is employed in a variety of applications where a reliable oscillator with precise timing and greater stability is needed. Some of the applications it is used for include radio transmitter and receiver prototyping, electronics security, automotive electronics and remote control communications. It is also used in some medical devices and in smartwatches, where it can help to detect heart rate and keep track of exercise.The 638L156G5C2T oscillator has two main parts: the quartz crystal resonator, which is used to establish the precised oscillation frequency, and the oscillator circuit, which amplifies the signal. The main components of the oscillator circuit are a bipolar transistor and two capacitors. The quartz crystal produces an alternating current oscillation, and then it is amplified by the transistor and capacitors. The frequency is determined by the oscillator circuit, because as the current passing through the oscillator circuit increases, the time taken for the circuit to complete one cycle will decrease, thus increasing the frequency of the output oscillation.The stability of the oscillators is also an important factor to consider in the application field. The 638L156G5C2T oscillator consists of a quartz crystal resonator, which has a temperature coefficient of approximately -5 to +4 ppm/°C. This oscillator provides a stable frequency performance over wide temperature fluctuations (it can function correctly from -40°C to 105°C). It also has high precision (frequency tolerance is specified as ±20 ppm). Besides, it provides high shock and vibration resistance (up to 100g vibration).The 638L156G5C2G is an efficient and reliable source of oscillation for a wide range of applications. This oscillator demonstrates high frequency stability over the operating temperature range, making it suitable for sensitive and precise applications such as automotive electronics, medical devices and smartwatches. Moreover, it offers broad frequency range from 1.2MHz to 160MHz and it includes a wide selection of output forms such as LVCMOS, LVTTL, and HCSL, among others. It is also an ideal choice for size constraints applications, because of its small size and SMD construction.In conclusion, the 638L15G5C2T is an excellent oscillator for various applications in which a reliable and precise signal is required. The combination of its high accuracy, broad frequency range and wide output formats make it suitable for applications that require high stability and greater performance in harsh environments.

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