SIT9005ACE1D-25SG

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Programmable Oscillators (POs) are widely used in various electronics applications, such as in RF, frequency synthesis, and timing circuits. As an important type of oscillators, SIT9005ACE1D-25SG has many advantages and applications in different fields. This article will discuss SIT9005ACE1D-25SG’s application field and working principle in detail.

SIT9005ACE1D-25SG is a programmable oscillator from Sitronix, configured with a 16-bit, synchronous counters with a 2-channel output. It can be programmed with a wide range of input signals and output frequencies, ranging from 10 Hz to 25 MHz, and has a wide stability range from 25 ppm to 200 ppm over the operating temperature range. The PO also has an absolute maximum frequency accuracy of 25 ppb, a fast startup time of 500 ns, and an integrated power down and reset logic. It also has an extremely low supply current of 1.45 mA.

In terms of application fields, SIT9005ACE1D-25SG is particularly suitable for RF and low-power applications. Its wide stability range and absolute frequency accuracy make it ideal for applications where timing is critical. It can provide clean, low-jitter signals that can be used in high-precision industrial applications and other general-purpose timing applications. It is also suited for use in low-power wireless communications systems, where it can provide low-distortion signals for data transmission and reception. Furthermore, its fast startup time makes it suitable for applications where power-on time is critical, such as in medical and automotive devices.

When it comes to the working principle of SIT9005ACE1D-25SG, it uses an oscillator+counter structure. The selection of the reference frequency is based on an internal 20-bit delay line oscillator. The counter is reset at the beginning of each internal period and the output is switched according to the 16-bit prescaler programmed by the user. The output frequency is determined by the ratio of the internal oscillator frequency and the prescaler’s value. The SIT9005ACE1D-25SG allows users to program the counter to generate virtually any kind of output frequency and waveform they want, including waveforms with different duty cycles.

In conclusion, the SIT9005ACE1D-25SG is a versatile programmable oscillator that has a wide range of applications in RF, frequency synthesis and timing circuits. Its wide stability range and frequency accuracy range makes it suitable for a variety of applications, such as in low-power wireless communications systems, medical and automotive devices. Its oscillator+counter structure provides users with the flexibility to generate virtually any waveform with different duty cycles.

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