SIT9005ACU2H-25DG

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Programmable oscillators are used for a wide range of applications, from cellular communications and navigation systems to embedded microcontrollers and industrial controllers. One such popular programmable oscillator is the SIT9005ACU2H-25DG device.

The SIT9005ACU2H-25DG is a temperature compensated crystal oscillator (TCXO) developed by SiTime. It utilizes a quartz crystal enclosed in a hermetically sealed package to generate a precise frequency. The device is programmed by applying a programmable supply voltage, where each supply voltage corresponds to one or more output frequencies that can be selected. The voltage of the crystal oscillator can be adjusted from 1.2 to 3.3V, resulting in 8 frequency steps.

The SIT9005ACU2H-25DG is designed for a wide range of applications. Its usable frequency ranges from 5Hz to 53MHz, and frequency stability is achieved within -0.18 to + 0.17 ppm. The device features very fast startup time, making it ideal for low power applications that require quick activation and deactivation. Additionally, its high frequency stability ensures reliable performance in highly dynamic environments.

The SIT9005ACU2H-25DG utilizes a unique Interfacial Layer Frequency-Selective Reliability (ILFRSR) technology to provide superior performance and superior reliability. The ILFRSR technology is based on an optimized interface between the screened quartz crystal and the package\'s electrodes, which reduces the parasitics on the crystal and improves PVT (process/voltage/temperature) characteristics. The ILFRSR technology also provides an additional layer of insulation to ensure reliable operation in extreme temperature conditions.

In addition to the ILFRSR technology, the device also includes an on-chip temperature controller that maintains its specified frequency across the full operating temperature range. This temperature compensation ensures that the output frequency remains stable even in applications where the operating temperature can fluctuate significantly. The temperature compensation range of the SIT9005ACU2H-25DG is from -40°C to +85°C.

In conclusion, the SIT9005ACU2H-25DG is a versatile programmable oscillator that is suitable for a wide variety of applications. Its wide frequency range, excellent frequency stability and low power consumption make it ideal for embedded microcontroller and industrial controller applications. Additionally, its ILFRSR technology and on-chip temperature controller provide superior performance and reliability in extreme temperature conditions.

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