DS1091LUA-330+T

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The DS1091LUA-330+T is a low-cost, low-noise clock generator from Maxim Integrated. It is a member of the “Luminous™” family of clock generators, and its low power consumption, high reliability, and small form factor make it ideal for many clock and timing applications. The DS1091LUA-330+T is specifically designed as a cost-effective source of high-precision time base signals in a compact 8-pin package. It is a versatile clock generator which can be used to generate multiple outputs at various frequencies.

The DS1091LUA-330+T application field is mainly applicable in a wide range of clock and timing applications in different areas like telecom, audio, video, automotive and general digital products. Many of these clock and timing applications need a reliable and low-cost frequency source. This is particularly important for applications with stringent jitter performance requirements. By utilizing the DS1091LUA-330+T low-power, high-reliability and small form factor characteristics, users are able to have very good jitter performances in these application field.

The DS1091LUA-330+T working principle is based on a phase-locked loop (PLL) phase-locked loop (PLL), where frequency synthesizers are used in combination with voltage-controlled oscillators (VCOs). A VCO is a device that can generate an output frequency over a wide range of frequencies using an external control voltage. The frequency synthesizer acts as a programmable clock generator, by “synthesizing” the desired clock frequency from the VCO’s wide range of frequencies. The PLL locks the frequency of the synthesized output to the input frequency, adjusting the VCO’s control voltage if required. The output frequency is adjustable by programming a crystal or reference clock frequency.

The DS1091LUA-330+T also uses a patented digital-lock technique known as “preset-lock”, which allows the device to be pre-configured with a known reliable clock frequency before the PLL locks. This digital-lock feature provides the user with a high-precision time base source, with very low jitter and fast settling times. The low-jitter output also ensures that the PLL remains in lock and can meet the stringent timing requirements of various radio and telecom applications.

The DS1091LUA-330+T is thus a highly desirable clock source for telecom and radio applications, where timing stability and low-jitter clock sources are required. The reference and PLL frequencies are adjustable, making the device suitable for many different settings. The device’s low-power, small form factor and high-reliability make it the ideal choice for applications in telecom, audio, video, automotive and general digital applications.

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