SIT8924AA-72-33E-66.666660G

Frequency Stability:	±25ppm
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	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:	AEC-Q100
Current - Supply (Max):	4.8mA
Operating Temperature:	-40°C ~ 125°C
Series:	SiT8924
Voltage - Supply:	3.3V
Output:	LVCMOS
Function:	Enable/Disable
Frequency:	66.66666MHz
Type:	MEMS (Silicon)
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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Oscillators: SIT8924AA-72-33E-66.666660G

Oscillators refer to electronic circuits or components that generate periodic waves. They are widely used in a host of applications, such as telecommunications, radiodetermination, audio and video recording, and so on.SIT8924AA-72-33E-66.666660G is a digital PLL (Phase Locked Loop) oscillator found inside many modern device designs. This oscillator uses the "phase-locked loop" design principle, which has some significant advantages over other oscillator designs. To understand the application and working principle of this oscillator, you need to understand what a PLL is and how it works.A PLL or phase-locked loop is a closed-loop electronic circuit that synchronizes the input signal with an internal generated signal. This is done by comparing the two signals and then using the comparison to control an oscillator. The output of this oscillator drives the input of the PLL in a constructive manner, thus locking the input and output signals in phase, frequency, and amplitude. This process is called "lock" or "capture."SIT8924AA-72-33E-66.666660G oscillator uses an integrated circuit (IC) with an in-built reference divider, a loop filter, and a voltage controlled oscillator (VCO). The reference divider takes the output signal from the reference clock source and divides it into a lower frequency. The loop filter then works to remove unwanted noise, showing only the sinusoidal signal with a low frequency. The VCO then multiplies the sinusoidal signal to the desired frequency and the VCO output is then used as the output signal of the PLL.The advantages of using the PLL in SIT8924AA-72-33E-66.666660G oscillator are low power consumption, low phase noise, excellent frequency pull-in range, and wide frequency range. The frequency range of the SIT8924AA-72-33E-66.666660G oscillator can be programmed to 16.35MHz-82.7MHz. The phase noise also has excellent performance, being within -62.5dBc/-155dBc. It also has a wide frequency pull-in range, starting from 1 to 3.3 times of the reference frequency.The SIT8924AA-72-33E-66.666660G is an ideal choice for low-power applications such as wireless LAN, Bluetooth, ZigBee, and IOT. It is also used in industrial communication systems, such as Industrial Ethernet, Time Wavelength Division Multiplexing (TDM) switches, railway control systems, and automotive communication networks. Other applications include digital audio/video equipments, fire alarm systems, computer motherboards, and more.In conclusion, the SIT8924AA-72-33E-66.666660G is a digital PLL oscillator capable of providing low power consumption, high frequency pull-in range, wide frequency range, and low phase noise. It is ideal for low-power applications such as wireless LAN, Bluetooth, ZigBee, and IOT, as well as for industrial communication systems, fire alarm systems, and more.

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