SIT9003AC-44-33EO-33.20000X

Frequency Stability:	±100ppm
Current - Supply (Disable) (Max):	4.3µA
Height - Seated (Max):	0.039" (1.00mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case:	4-SMD, No Lead Exposed Pad
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	4.1mA
Operating Temperature:	-20°C ~ 70°C
Series:	SiT9003
Voltage - Supply:	3.3V
Output:	LVCMOS, LVTTL
Function:	Enable/Disable
Frequency:	33.2MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators

Oscillators are electrical components that produce a consistent periodic electrical signal by alternately charging and discharging the energy in a circuit. They are widely used in numerous consumer and industrial electronic applications, such as radio broadcast transmitters, television broadcast receivers, computers, clocks, and audio circuitry, and are essential components in signal generators.SIT9003AC-44-33EO-33.20000X is a type of low-power programmed oscillator that combines an oscillator core with a frequency algorithm and an encoder. This type of oscillator is suitable for applications that require ultra-small size and low power.

Functionality

SIT9003AC-44-33EO-33.20000X has the ability to control both the amplitude and the frequency of its output signal. It can be programmed to produce different frequencies, which makes it ideal for applications where the frequency of the signal needs to be dynamically changed. The frequency range of this oscillator is from 0.78MHz to 200MHz.The oscillator core is designed to generate the oscillating signal. This core consists of an active loop composed of two field-effect transistors (FETs). The FETs switch back and forth between allowing and blocking electric current through the loop, creating the oscillation required for generating the electrical signal.The frequency algorithm and encoder are used to control the frequency of the electrical signal generated by the oscillator core. The frequency algorithm is a digital circuit that stores the desired frequency in a memory, and the encoder is used to translate the stored frequency into a logic signal that can be read by the FETs in the oscillator core.

Application Field

SIT9003AC-44-33EO-33.20000X is most commonly used to provide the clock signal in various types of systems, such as microprocessors, ASICs, and digital signal processors. Due to its low power draw and small size, it is an ideal choice for applications where power efficiency and/or space conservation are concerns.Other applications include controlling the timing of digital logic gates, generation of the low-frequency reference signals for frequency synthesizers, and providing the timing and control signals for radio broadcast transmitters and receivers.

Working Principle

The working principle of SIT9003AC-44-33EO-33.20000X is based on the oscillating frequency algorithm and encoder. The frequency algorithm determines the frequency of the output signal, while the encoder is responsible for converting this stored frequency into a logic signal that is read by the FETs in the oscillator core.The FETs alternately open and close the active loop in the oscillator core, thus allowing and blocking current, creating an oscillating signal at the desired frequency. This signal is then output from the oscillator, providing the timing and control signals for the system it is connected to.

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