SIT9002AI-38H33DK

Frequency Stability:	±50ppm
Height:	0.039" (1.00mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	51mA
Spread Spectrum Bandwidth:	±2.00%, Center Spread
Operating Temperature:	-40°C ~ 85°C
Frequency Stability (Total):	--
Series:	SiT9002
Voltage - Supply:	3.3V
Output:	CML
Function:	--
Available Frequency Range:	1MHz ~ 220MHz
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: SIT9002AI-38H33DK Application Field and Working Principle

Programmable Oscillators are electronic components used in almost all electronic devices, from digital cameras to computers, to generate and maintain a regular, periodic signal. The SIT9002AI-38H33DK is one of the most powerful and advanced Programmable Oscillators produced by Sitronix Technology Corporation. It is capable of generating very precise signals with very low levels of jitter, which can be used in various applications including frequency synthesis, timing and synchronization, industrial process control, and many others.

Design & Features

The SIT9002AI-38H33DK is a low-profile, surface-mount device that measures only 2.5mm x 3.2mm. It has a programmable frequency range of 1MHz to 38.4MHz with a resolution of 0.4MHz. It also features a programmable power output of 0.6V to 3.3V and a max current output of 33mA. It is designed to be stable and reliable, with features such as over-temperature protection, under-voltage lockout, reverse-battery protection, and power-on reset.

Actions

The SIT9002AI-38H33DK is able to generate very precise signals, up to 0.5ppm resolution and 2ppm jitter. The frequency of the generated signal is controlled by the user, by means of configuration programming via an external control line, such as I2C, SPI, or UART bus. The programming mode of the device can be set to either “Single” or “Multiple”. In “Single” mode, the device can be configured to generate one signal, at a single frequency, until it is reprogrammed. In “Multiple” mode, the device can be programmed to generate multiple signals, at different frequencies, for varying periods of time.

Application Fields

The SIT9002AI-38H33DK is highly versatile and can be used in a wide range of applications. It is particularly suitable for frequency synthesis, for example for generation of precision Pulse-Width Modulation (PWM) or Direct Digital Synthesis (DDS) signals. It can also be used in time and frequency synchronization applications, such as in embedded systems and industrial process control. It could also be used in precision measurement and signal analysis, or as a test signal source.

Working Principle

The SIT9002AI-38H33DK works by using a Phase-Locked Loop (PLL) circuit to compare the frequency of an incoming reference signal to that of a generated signal and to adjust the frequency of the generated signal until they are in phase. The output signal is generated by a Voltage Controlled Oscillator (VCO) that is modulated by a Pulse Width Modulator (PWM), the input voltage of which is in turn generated by the PLL circuit. Once the generated signal is in phase with the reference signal, the PLL circuit adjusts the output voltage of the PWM, which adjusts the frequency of the VCO, keeping it in phase with the reference.In summary, the SIT9002AI-38H33DK is one of the most advanced and powerful Programmable Oscillators available. It has very low power consumption and a wide programmable frequency range and can be used in a variety of applications where precise and reliable signaling is required. The SIT9002AI-38H33DK features a sophisticated PLL-controlled VCO circuit, which allows it to generate very precise signals, with low levels of jitter.

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