| Allicdata Part #: | SIT3809AI-2-33EG-ND |
| Manufacturer Part#: |
SIT3809AI-2-33EG |
| Price: | $ 18.62 |
| Product Category: | Crystals, Oscillators, Resonators |
| Manufacturer: | SiTime |
| Short Description: | OSC PROG LVCMOS 3.3V EN/DS 10PPM |
| More Detail: | VCXO LVCMOS, LVTTL 80MHz ~ 220MHz Programmable Osc... |
| DataSheet: |  SIT3809AI-2-33EG Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | $ 16.75800 |
| 10 +: | $ 14.99340 |
| 50 +: | $ 11.46560 |
| 100 +: | $ 10.58370 |
| 500 +: | $ 7.40852 |
Specifications
| Frequency Stability: | ±10ppm |
| Current - Supply (Disable) (Max): | 70µA |
| Height: | 0.031" (0.79mm) |
| Size / Dimension: | 0.126" L x 0.098" W (3.20mm x 2.50mm) |
| Package / Case: | 4-SMD, No Lead |
| Mounting Type: | Surface Mount |
| Ratings: | -- |
| Current - Supply (Max): | 36mA |
| Spread Spectrum Bandwidth: | -- |
| Operating Temperature: | -40°C ~ 85°C |
| Frequency Stability (Total): | -- |
| Series: | SiT3809 |
| Voltage - Supply: | 3.3V |
| Output: | LVCMOS, LVTTL |
| Function: | Enable/Disable |
| Available Frequency Range: | 80MHz ~ 220MHz |
| Programmable Type: | Programmed by Digi-Key (Enter your frequency in Web Order Notes) |
| Type: | VCXO |
| Base Resonator: | MEMS |
| Part Status: | Active |
| Packaging: | Bulk |
Description
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Programmable oscillators, such as SIT3809AI-2-33EG, incorporate a variety of technologies and design principles that allow them to be used for a wide range of applications. In this article, we explain the different application fields for this oscillator and how it works.
Application Field of SIT3809AI-2-33EG
The SIT3809AI-2-33EG programmable oscillator is designed for three main application fields: clock generation, voltage-controlled oscillators (VCOs), and switched-capacitor filters.- Clock Generation: The SIT3809AI-2-33EG oscillator can be used as a clock source for digital circuit designs. The frequency range of this programmable oscillator is between 10 MHz and 150 MHz, with a high frequency accuracy of 0.2%.
- Voltage-Controlled Oscillators (VCOs):The oscillator can also be used as a source for modulated signals. The programmable VCOs are used to generate signals in the range of 4 MHz to 600 MHz, with a frequency accuracy of about 0.4%.
- Switched-Capacitor Filters: The SIT3809AI-2-33EG can be used as a source for switched-capacitor filters. This type of filter is used to reduce the noise and distortion in analog signals, as well as for telecommunications systems, radio receivers, and other applications.
Working Principle of SIT3809AI-2-33EG
The programmable oscillator is based on a design principle called the delta-sigma modulator. A delta-sigma modulator is a type of digital circuit that uses a multi-stage feedback loop to convert an analog signal into a digital signal. In this case, the analog signal is the frequency of the oscillator, while the digital output is the clock signal.The programmable oscillator converts the frequency of the oscillator by amplifying the input signal. The output signal is then sent to a digital-to-analog converter, which converts it back to an analog signal. This signal is then fed back to the input of the modulator, where the process is repeated. The oscillator has an adjustable frequency range, which allows it to be used for different applications. The frequency range of the oscillator is adjustable using external components, such as resistors and capacitors. The SIT3809AI-2-33EG programmable oscillator also includes a microcontroller, which allows the user to program the frequency of the oscillator. The microcontroller can also be used to control the frequency and other variables in the circuit.Conclusion
The SIT3809AI-2-33EG programmable oscillator can be used for a variety of applications, including clock generation, voltage-controlled oscillators (VCOs), and switched-capacitor filters. This oscillator uses a delta-sigma modulator to convert the analog signal into a digital signal. The frequency range of the oscillator is adjustable using external components, and the device also contains a microcontroller for programming.The specific data is subject to PDF, and the above content is for reference
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