SIT8008BCE3-33E

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Programmable Oscillators provide the option of customizing frequency output and design of oscillators to meet the requirements of specific applications. The SIT8008BCE3-33E is a programmable oscillator that provides flexibility for users to select the frequency, output voltage, and package to be used. It is a highly integrated frequency generator with a full range of frequency coverage in two power options: 3.3V and 2.5V.

The SIT8008BCE3-33E is sold in three different packages: a 28-pin SSOP, a 28-pin QFN, and a 16-pin LGA. It has a maximum frequency of up to 66 MHz and a minimum frequency of 1 kHz. It is expandable in frequency by changing the frequency register modes. The SIT8008BCE3-33E also includes a temperature indicator pin and a C-Tune pin.

The SIT8008BCE3-33E is designed for applications that require precise frequency output. It is ideal for wireless communication systems, industrial instrumentation, and a variety of embedded systems. Some examples of applications that benefit from the SIT8008BCE3-33E include:

• Radio transceivers
• Automotive infotainment systems
• Wireless handsets
• Bluetooth headsets
• Wireless remote control
• Industrial metrology

The SIT8008BCE3-33E’s principle of operation is straightforward. It is a voltage-controlled oscillator (VCO) based on a Pierce oscillator topology. In this topology, an RC circuit and a FET (field effect transistor) form an LC tank oscillator and form an amplifier, respectively. The FET acts as a variable resistor, allowing the oscillation frequency to be tuned by changing the voltage applied to the gate of the FET. The voltage is supplied to the oscillator from an external clock, and the frequency of the signal is regulated by feedback from the oscillator.

The output signal of the SIT8008BCE3-33E can be configured for either a single-ended or a differential output. In a single-ended configuration, the output is a single AC signal between a positive supply and ground. In a differential configuration, the output is a positive and a negative signal, and the amplitude of the output is adjustable. The output signal can also be configured to be either a square wave, a sine wave, or a triangle wave.

The SIT8008BCE3-33E has several features that make it highly advantageous for embedded applications. It is an all-digital circuit, which means it requires no external components to be adjusted. The output signals are generated entirely in the digital domain and are phase-locked, which ensures the maximum accuracy of the output signals. The SIT8008BCE3-33E is also extremely power efficient and consumes just a fraction of the power of other traditional oscillators.

The SIT8008BCE3-33E is a highly versatile programmable oscillator that provides an ideal solution for a variety of embedded applications. With its simple and efficient design, it is an ideal choice for any application that requires precise frequency control and power efficiency.

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