9EX21831AKLF

The 9EX21831AKLF is a precision crystal clock circuit from Analog Device Inc. It is integrated into an Application Specific clock and timing integrated circuit (ASIC). It is designed for easy integration into commercial, industrial, and automotive clock and timing applications.

The 9EX21831AKLF is an improved version of the 9EX1831AKLF. At the heart of the circuit is a high-precision crystal oscillator that provides substantial improvements in stability, accuracy, and frequency control. The oscillator is also designed to provide greater resolution than its predecessors. In addition, the control and selection of output frequencies is also improved with the 9EX21831AKLF.

The 9EX21831AKLF is ideal for applications demanding high accuracy and high cycleability including GPS receivers and network equipment. The 9EX21831AKLF can be used in applications such as phase-locked loop (PLL) design, in which a constant wavelength clock or data transmission is essential. It is also suitable for data clocking, which requires a constant frequency oscillator.

The 9EX21831AKLF features two synchronous outputs so that two signals can be used simultaneously. These outputs provide active power management with Real-Time Clock/Calendar (RTC) and low-power operation with Sleep Mode. The 9EX21831AKLF also offers output frequencies from 4kHz up to 48MHz and adjustable duty cycles.

The 9EX21831AKLF features an integrated voltage regulator that allows it to operate at a wide range of voltages from 1.2 to 3.6V. With its low power design and power-saving features, the 9EX21831AKLF offers a system power savings of up to 90%.

The 9EX21831AKLF offers low-jitter performance over a wide temperature range and is designed to maintain frequency and cycle accuracy over long periods of time. This is enabled by its high-stability, low-frequency oscillator (LFO) circuit, which is highly accurate and stable even over temperature and voltage fluctuations.

The 9EX21831AKLF is also designed to be used in high-speed environments such as servers and other computing applications. Its low-noise and low-jitter outputs improve system reliability while keeping the overall cost of the system down. The 9EX21831AKLF can also be used in applications that require an accurate and low-cost reference clock like cellular and 3G/4G networks.

The 9EX21831AKLF provides an easy-to-use interface and flexible configurability options. It can be operated as both a single-output and multi-output clock with a wide range of frequencies. The 9EX21831AKLF can also be configured to use various frequency profiles and features transparent clock synchronization, which ensures that the output clock will always be synchronized with the reference clock even when the frequency of the reference clock changes.

In conclusion, the 9EX21831AKLF is an ASIC-based clock and timing circuit that is optimized for precision clock and timing applications. It features an integrated voltage regulator, two synchronous outputs, low-jitter performance, low power consumption, and adjustable output frequencies. The 9EX21831AKLF is ideal for GPS receivers, network equipment, phase-locked loop design, data clocking, cellular networks, and other high-speed computing applications.