554AG000668DG

Function:	Enable/Disable
Current - Supply (Disable) (Max):	75mA
Package / Case:	8-SMD, No Lead
Height:	0.071" (1.80mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Current - Supply (Max):	130mA
Operating Temperature:	-40°C ~ 85°C
Frequency Stability:	±20ppm
Voltage - Supply:	3.3V
Output:	LVPECL
Series:	Si554
Frequency - Output 4:	--
Frequency - Output 3:	--
Frequency - Output 2:	--
Frequency - Output 1:	214.84375MHz, 265.625MHz, 312.5MHz, 322.265625MHz
Type:	VCXO
Base Resonator:	Crystal
Part Status:	Active
Packaging:	--

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Pin Configurable/Selectable Oscillators

Pin configurable/selectable oscillators are micro-electromechanical systems (MEMS) that regulate the frequency and stability of oscillations of various electrical signals. They are manufactured using MEMS technologies, which involve etching, depositing, and bonding patterns on small silicon wafers. Pin configurable/selectable oscillators are present in many electronic systems, such as computers, smartphones, automotive electronics, and broadcasting equipment, and can be used to generate clock and data signals in a wide range of frequencies, from seconds to GHz (Gigahertz).The 554AG000668DG is a pin configurable/selectable oscillator from Texas Instruments, which features a minimum frequency of 1 kHz, a maximum frequency of 20 MHz, a resolution of 1 Hz, and a stability of ±30 ppm. It also boasts a tight jitter of 50psrms and very low phase noise of -150dBc/Hz. The 554AG000668DG has a small form factor of 1.5 x 1.5 mm, which makes it an ideal solution for applications where space is at a premium.The 554AG000668DG operates on a voltage range of 1.8 to 3.3 Volts and is available in various packages, including SOT23, SOIC, and MSOP. This oscillator can also be programmed with selectable frequency and output timing parameters, as well as multiple GPIOs, making it a versatile choice for many applications.The 554AG000668DG is suitable for a wide range of applications, including television, communications, radar, industrial automation, medical instrumentation, and many more. For example, it can be used as an oscillator for switch-mode power supply applications, where precise frequency control is essential for proper operation of the system. It can also be used for clock and data recovery applications, such as those in fiber-optic communications, as well as clocking applications requiring precise timing.The 554AG000668DG’s working principle is based on the resonating capacity of its metal box and top metal layers. When a voltage is applied to the metal box, an electromagnetic field is created and is used to excite the metal layers. The metal layers then resonate at a frequency proportional to the applied voltage.The frequency of the 554AG000668DG can be programmed via its selectable frequency settings, which are applied to the metal layers to determine the frequency of the output signal. The output signal passes through a k-factor network, which determines the frequency tolerance and power saving properties of the oscillator. The output signal is then fed through a three-stage VCO (voltage-controlled oscillator), which produces both the frequency and timing of the oscillator.In conclusion, the Texas Instruments 554AG000668DG pin configurable/selectable oscillator is a versatile and cost-effective solution for a wide range of applications, ranging from switch-mode power supply to clock and data recovery applications. Its small form factor, tight jitter performance, and low phase noise make it a great choice for applications that require precise frequency control.

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