SIT9005ACA1H-28EI

Frequency Stability (Total):	--
Current - Supply (Disable) (Max):	6.5mA
Height:	0.030" (0.76mm)
Size / Dimension:	0.098" L x 0.079" W (2.50mm x 2.00mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	6.5mA
Spread Spectrum Bandwidth:	±1.155%, Center Spread
Operating Temperature:	-20°C ~ 70°C
Series:	SIT9005
Frequency Stability:	±20ppm, ±25ppm, ±50ppm
Voltage - Supply:	2.8V
Output:	LVCMOS
Function:	Enable/Disable
Available Frequency Range:	1MHz ~ 141MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	SSXO
Base Resonator:	MEMS
Part Status:	Active

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IntroductionProgrammable oscillators are a type of timers, logic devices and pulse generators that can generate digital and analog signals in various forms. The SIT9005ACA1H-28EI is a PLL-based programmable oscillator designed to provide an accurate and high-speed signal output over a wide range of frequencies. It is widely used in applications such as audio/video equipment, automotive electronics, computers, consumer electronics, medical electronics, instrumentation and military/aerospace systems.FeaturesThe SIT9005ACA1H-28EI has a range of features designed to make it ideal for a wide range of applications. It has an accuracy of ±25ppm, an operating temperature range of -40°C to +85°C and an output frequency range of 1.5MHz to 28MHz. It has both analog and digital outputs and features a selectable duty cycle of 0% to 100% and an adjustable TTL/CMOS output. It also has an adjustable start-up time and can operate from a 2.5V to 5.5V supply voltage.Application FieldThe SIT9005ACA1H-28EI is widely used in a variety of applications such as audio/video equipment, automotive electronics, computers, consumer electronics, medical electronics, instrumentation and military/aerospace systems. It can be used to generate digital and analog signals in various forms and is ideal for applications that require a wide range of frequency output.In audio/video equipment, the SIT9005ACA1H-28EI can be used to accurately generate audio or video signals for audio-video synchronization or signal processing. It can also be used to generate high-speed digital video signals for applications such as video conferencing and television broadcasting.In automotive electronics, the SIT9005ACA1H-28EI can be used to generate high-precision signals for applications such as engine management and power train control systems. It can also be used to generate digital signals for anti-lock braking systems, traction control systems and airbag systems.In computers, the SIT9005ACA1H-28EI can be used to generate pulse signals for various control applications such as bus control and power supply regulation. It can also be used to generate clock signals for microcontrollers, processors and memory chips.In consumer electronics, the SIT9005ACA1H-28EI can be used to generate a wide range of signals for applications such as digital cameras, MP3 players and personal digital assistant (PDA) devices. It can also be used to generate signals for signal processing in mobile phones.In medical electronics, the SIT9005ACA1H-28EI can be used to generate signals for ultrasound imaging, pacemakers and other medical instruments.In instrumentation, the SIT9005ACA1H-28EI can be used to generate signals for laboratory test and measurement equipment such as oscilloscopes, logic analyzers and signal analyzers.In military/aerospace systems, the SIT9005ACA1H-28EI can be used to generate signals for navigation systems, guidance systems and radar systems.Working PrincipleThe SIT9005ACA1H-28EI is based on a Phase Lock Loop (PLL) frequency multiplier design. This means that it is capable of generating high-precision signals over a wide range of frequencies.The oscillator has a PLL control circuitry consisting of two frequency multipliers and one frequency divider. The first multiplier can be used to generate a signal with a frequency of up to 28MHz. This signal is then fed into the second multiplier, which can be used to generate a signal with a frequency of up to 114MHz. The signal from the second multiplier is then divided by the divider to generate a signal with a frequency of up to 1.5MHz.The oscillator also has an adjustable start-up time and a selectable duty cycle of 0% to 100%. The duty cycle controls the amount of time that the signal is on in relation to the total time that the signal is off.ConclusionThe SIT9005ACA1H-28EI is a PLL-based programmable oscillator designed to provide an accurate and high-speed signal output over a wide range of frequencies. It is widely used in a variety of applications such as audio/video equipment, automotive electronics, computers, consumer electronics, medical electronics, instrumentation and military/aerospace systems. The oscillator has an accuracy of ±25ppm, an operating temperature range of -40°C to +85°C and an output frequency range of 1.5MHz to 28MHz. It also has both analog and digital outputs and features a selectable duty cycle of 0% to 100% and an adjustable TTL/CMOS output. The SIT9005ACA1H-28EI is based on a PLL frequency multiplier design, which makes it ideal for applications that require a wide range of frequency output.

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