DS1089LU-4CL+T

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The name “DS1089LU-4CL+T” may seem intimidating, so let’s break the term down to better understand the application field and working principle of this device. DS1089LU-4CL+T is a clock/timing device that falls within the category of clock generators, PLLs, and frequency synthesizers. What these devices do is generate an accurate timing signal in order to keep track of events in computer systems.

The DS1089LU-4CL+T is a multi-purpose standby clock circuit designed for portable and battery driven systems. It is well suited for use in power management circuits, as it contains an oscillator, a phase-locked loop (PLL), and a low phase noise low jitter clock generator. In portable applications, it ensures that the clock works in low power modes while retaining high accuracy and stability.

The datasheet for the DS1089LU-4CL+T provides an overview of the main components of this device. The oscillator consists of a low power CMOS oscillator, which is connected to a temperature compensated crystal oscillator (TCXO). The TCXO then acts as an input to the PLL, which keeps the output clock in sync with the input. The output is then fed into the low phase noise/low jitter clock generator, where the signal is further filtered and adjusted for accuracy.

As this device is intended for portable applications, the energy consumption of the DS1089LU-4CL+T is a major concern. Fortunately, this clock circuit has a low power consumption of approximately 2.3mW at up to 1MHz, making it an ideal choice for portable applications.

In terms of accuracy and stability, the DS1089LU-4CL+T has a frequency accuracy of 2ppm and an operational temperature range of -40C to +85C. It also has a low phase noise of -160dBc/Hz and a low jitter of 500fs, ensuring that the output clock will remain accurate and stable even in harsh conditions.

The DS1089LU-4CL+T is a versatile and reliable clock/timing device that can be used in many portable applications due to its low power consumption and impressive accuracy and stability. With its low phase noise and low jitter, it is ideal for use in power management circuits, ensuring that the clock works in low power modes and keeps track of events in computer systems.

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