| Allicdata Part #: | SIT9121AI-2B-XXE-ND |
| Manufacturer Part#: |
SIT9121AI-2B-XXE |
| Price: | $ 10.00 |
| Product Category: | Crystals, Oscillators, Resonators |
| Manufacturer: | SiTime |
| Short Description: | OSC PROG LVDS 2.25-3.63V EN/DS |
| More Detail: | XO (Standard) LVDS 1MHz ~ 220MHz Programmable Osci... |
| DataSheet: |  SIT9121AI-2B-XXE Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | $ 9.00270 |
| 10 +: | $ 8.05392 |
| 50 +: | $ 6.15888 |
| 100 +: | $ 5.68506 |
| 500 +: | $ 3.97956 |
| 1000 +: | $ 3.60055 |
Specifications
| Frequency Stability: | ±20ppm |
| Current - Supply (Disable) (Max): | 35mA |
| Height: | 0.032" (0.80mm) |
| Size / Dimension: | 0.126" L x 0.098" W (3.20mm x 2.50mm) |
| Package / Case: | 6-SMD, No Lead |
| Mounting Type: | Surface Mount |
| Ratings: | -- |
| Current - Supply (Max): | 55mA |
| Spread Spectrum Bandwidth: | -- |
| Operating Temperature: | -40°C ~ 85°C |
| Frequency Stability (Total): | -- |
| Series: | SiT9121 |
| Voltage - Supply: | 2.25 V ~ 3.63 V |
| Output: | LVDS |
| Function: | Enable/Disable |
| 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 |
Description
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Programmable oscillators are control parts equipped with digital signal processing capabilities. They use a digital signal to control an electronic clock or signal generator. SIT9121AI-2B-XXE is a high-performance programmable oscillator with excellent stability and accuracy. It has been widely used in industrial, medical and military fields. This article will discuss its application field and working principle.
Application Field
The SIT9121AI-2B-XXE is a programmable oscillator consisting of three parts: a frequency- tunable oscillator, an analog-to-digital converter, and a digital-to-analog converter. It can modulate frequencies from 10 kHz to 2 MHz and output a sine wave with adjustable duty cycle. With its excellent performance and stability, it is widely used in communication, test and measurement, POS terminals, medical imaging, and other industrial and military fields.
Working Principle
The working principle of the SIT9121AI-2B-XXE programmable oscillator is based on a tunable oscillator, the Tunable Resonant Oscillator (TRO). This consists of an inductor and a capacitor connected in series, forming an LC circuit. By adjusting the capacitance of the capacitor, the resonance frequency of the circuit can be tuned. The resonance frequency is a function of the inductance and capacitance of the LC circuit.
The TRO is fed into an analog-to-digital converter, which converts the amplitude of the signal into a digital signal and sends it to the digital-to-analog converter. The digital signal is then converted back into an analog signal, which is used to control the frequency of the oscillator. The output of the oscillator is connected to a control circuit, which adjusts the frequency, amplitude, and duty cycle of the output waveform.
The SIT9121AI-2B-XXE can be programmed with a variety of parameters, such as frequency, duty cycle, and voltage, making it an ideal choice for many applications. Additionally, it has built-in monitors and calibration algorithms, allowing it to remain stable and accurate even in harsh environments.
In summary, the SIT9121AI-2B-XXE programmable oscillator is a versatile and reliable control part that has been used in many industrial and military applications. With its excellent stability and accuracy, it is an indispensable component of many systems.
The specific data is subject to PDF, and the above content is for reference
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