SIT8008BCT7-18N

Frequency Stability:	--
Current - Supply (Disable) (Max):	4mA
Height:	0.032" (0.80mm)
Size / Dimension:	0.079" L x 0.063" W (2.00mm x 1.60mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	4.1mA
Spread Spectrum Bandwidth:	--
Operating Temperature:	-20°C ~ 70°C
Frequency Stability (Total):	±20ppm
Series:	SiT8008B
Voltage - Supply:	1.8V
Output:	LVCMOS
Function:	--
Available Frequency Range:	1MHz ~ 110MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Bulk

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Programmable Oscillators, or POs, are special types of oscillators that can be programmed to generate between an audio frequency and an ultrasonic range. This is done by modifying their frequency and duty cycle. They are composed of Piezo elements and a resonator, and are largely used in automobiles, medical devices, test and measurement equipment and robotics.SIT8008BCT7-18N is one of the many programmable oscillators available in the market. It is an off-the-shelf, SMT-style, programmable resonator that supports a frequency range of 18MHz, a supply voltage of 2.7V and a PDN supply current of 10uA. It is designed with a combination of PFM, PWM and Slope Control to generate frequencies, and is suitable for use in applications like oscillators, timers, frequency dividers and others.The SIT8008BCT7-18N employs a two-disc crystal structure, which has two Piezo discs – an upper and a lower. The resonator is made up of these two discs, which are separated by a desiccant. The upper disc is designed with a uniform spiral of gold electrodes, while the lower one is covered with insulating material on one side and copper on the other.The SIT8008BCT7-18N differs from the other programmable oscillators in that it is capable of generating 1kHz to 40MHz frequencies. This makes the SIT8008BCT7-18N suitable for applications like precision timing for the automotive and industrial market, as well as for applications such as precision telecom systems (IP phones), and access control systems.SIT8008BCT7-18N has a slew rate of 15mV/ns, a supply voltage of 2.7V, a maximum PDN supply current of 10uA, and a frequency range of 18MHz. The frequency range means that it can be used in a variety of applications, from low-frequency timing to ultrasonic frequencies. The slew rate makes it suitable for applications where precision is key, such as in telecommunications or access control systems.The working principle behind SIT8008BCT7-18N is simple. It relies on PFM, PWM and Slope Control to modify its frequency and duty cycle. In PFM, the waveform is adjusted by increasing the duration of pulses, while in PWM, the waveform is adjusted by controlling the pulse widths. The Slope Control enables the waveform to be adjusted by gradual shifts in the slope of the waveform.SIT8008BCT7-18N has a number of advantages, like low power consumption, low voltage operation, low slew rate and a wide frequency range, that make it suitable for many applications. It is also used in a variety of applications, from automotive to industrial, telecom and access control systems.In conclusion, the SIT8008BCT7-18N is a programmable oscillator that incorporates the useful features of PFM, PWM and Slope Control for certain applications. It has a wide frequency range, low power consumption and a low voltage operation, making it highly suitable for a variety of applications. Its mix of features and convenient design make it an ideal choice for those looking for a reliable programmable oscillator.

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