MK1491-06S

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MK1491-06S Application Field and Working Principle

The MK1491-06S is an integrated circuit (IC) developed by STMicroelectronics for clock applications in industrial, automotive, and general purpose markets. It is a versatile, low-power digital timing solution designed to provide the precision and accuracy desired in timing applications. The MK1491-06S is a single-chip analog PLL clock generator that integrates two different outputs: a high-speed clock output for use in high-performance applications, and a lower speed clock output for use in general-purpose applications. It also integrates a wide operating temperature range from -40°C to +125°C.

The MK1491-06S is a versatile, low-power clock solution with many specific applications. It is often used in automotive and industrial systems, such as transmission and engine control, instrument cluster, and industrial automation. Additionally, general purpose markets, including medical, security and surveillance, telecommunications, and embedded computing, can also benefit from the clock generator.

The MK1491-06S clock generator has a wide range of operating frequency options, allowing for applications across a variety of industries. It also includes several on-chip features, such as a low-phase noise clock output and a unique input frequency stabilization circuit. This allows it to operate efficiently and precisely even at low temperatures, and allows for an easy integration of the clock generator into existing systems.

The MK1491-06S is a digital PLL clock generator with an internal oscillator and a phase-locked loop (PLL). The device has two outputs: a high-speed clock output, and a lower speed clock output. The high-speed clock output is accurate and provides a stable clock speed over a wide range of temperatures and supplies, while the low-speed clock output is used in applications that do not require the accuracy of the high-speed clock output. The clock generator is designed to be used in conjunction with other components to increase the accuracy of the generated clock signal.

The MK1491-06S utilizes an input signal that is used to set the operating frequency of the clock generator. This allows for an operating frequency range that is determined by the input signal. The input signal is then passed through the PLL and is used to outpu the desired clock signal. When the input signal is within the operating frequency range, the PLL performs a sequence of functions known as “phase locking”, which allows for the output clock signal to remain stable and accurate at all times.

The MK1491-06S clock generator also includes a unique input frequency stabilization circuit. This circuit works to reduce any variations in input frequency by automatically adjusting the output clock frequency. This ensures that the output clock signal remains accurate, even over changing temperature and voltage conditions. This feature makes the MK1491-06S an ideal choice for applications that require accurate timekeeping, even under extreme conditions.

In addition to its high-precision clock output, the MK1491-06S also includes additional components that make it an attractive solution for many automotive and industrial applications. These components include a temperature sensor, voltage regulator, and temperature compensation circuit. These features make the MK1491-06S an excellent choice for any application that requires accurate and reliable clocking, even in harsh environments.

Overall, the MK1491-06S is an excellent choice for a wide variety of clock applications, from automotive and industrial markets to general-purpose applications. With its wide range of power supply and temperature options, the MK1491-06S provides the accuracy and precision desired in timing applications. It also integrates several on-chip features that make it an easy solution to integrate into any existing system, ensuring that the generated clock signal remains accurate and stable.

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