LMK00304SQE/NOPB

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The LMK00304SQE/NOPB is a low-jitter, wideband, triple, LVDS output clock buffer from Texas Instruments. It offers wide frequency bandwidth, high phase-frequency response, and high output drive capability, allowing it to accept wide range of input frequencies and still provide a stable output. It is designed to support both clock and data paths with the LVDS standard.

Overall, the LMK00304SQE/NOPB is ideal for applications requiring a low-noise, stable clock signal with limited system noise, excellent transient-response, and higher Tx/Rx speed on clock signals with LVDS (Low Voltage Differential Signaling). It can be used in a wide range of applications, such as distributing a clock signal over multiple points, or converting from one clock format to another.

Application Field

The LMK00304SQE/NOPB can be used in a broad range of applications where a low jitter, wide bandwidth, and low noise clock signal is required, such as: power management, data communication, datacenter servers, mobile / wireless, base stations, automotive and other similar applications.

The device can be used to convert from one clock format to another, such as from an LVDS clock signal to a differential PECL signal. It can also be used to distribute a clock signal to multiple points in a system, whether it be with an LVDS, PECL, or LVCMOS clock format.

Working Principle

The LMK00304SQE/NOPB uses an asymmetrical delay-locked loop (ADLL) to create an internal output clock signal that is aligned with the input clock. This aligns the duty cycle and phase of the output clock with the input clock, ensuring the output clock has low-jitter. This can improve system performance and reliability in applications where a precise clock signal is required.

The ADLL uses the delay cells of the device to synchronize the output clock to the received input clock. The circuit adjusts the delay cells to align the output clock to the input clock, enabling a high-performance and low-jitter operation. This ensures that the output clock has good transient response, and high-speed data transfer.

Overall, the LMK00304SQE/NOPB is an excellent choice for applications requiring a low-jitter, wide bandwidth, and low noise clock signal. It has excellent performance in terms of phase-frequency response, which makes the device suitable for high-speed and low-power applications. It is ideal for applications that require conversion between multiple clock formats.

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