LMK00306SQ/NOPB Integrated Circuits (ICs)

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The LMK00306SQ NOPB is a versatile, low jitter clock buffer that is designed to bring higher levels of accuracy and density to high-performance clock systems. It has three stages of adaptive duty-cycle correction circuitry and can provide timing signals to large distributed clock systems, such as in wired networks, servers, and storage systems. The LMK00306SQ NOPB is also suitable for applications that require high-precision timing control, such as audio/video and telecom networks, as well as for use in test and measurement and medical applications.

At the core of the LMK00306SQ NOPB is a low jitter clock neuron generator (CNG) which processes the input clock and develops a new clock with lower jitter, higher jitter cycle-to-cycle stability, and improved frequency accuracy. This CNG supports eight output clock signals and four enable signals, and is capable of providing up to six frequency ratio split clock outputs. The operating frequency range is between 0.1 MHz and 14 MHz. It also include adaptive duty-cycle correction, which can help minimize output timing errors caused by frequency or duty-cycle variations in the input clock.

TheLMK00306SQ NOPB also features integrated reference buffer circuitry and an input lockout protection circuitry. The reference buffer prevents harmonic distortion in the input clock signal caused by the CNG, and provides improved noise isolation for clock applications. Additionally, it introduces a programmable delay on the reference buffer to ensure proper setup and hold times on the output clock. The input lockout protection circuit is designed to protect the CNG from input clock glitches or spikes, which could potentially damage the CNG.

The LMK00306SQ NOPB also supports an integrated calibration engine that provides an adjustable frequency compensation signal. This signal compensates for frequency fluctuations caused by temperature fluctuations, and can help reduce output jitter and minimize time synchronization errors in distributed clock systems. Additionally, the onboard power-on reset circuit and output enable circuitry allows the device to be used in multiple systems, even in harsher and changing operating environments.

The LMK00306SQ NOPB has a low power consumption and a wide operating temperature range of -40°C to 85°C. It is resistant to a range of environmental conditions and can be used in automotive and industrial applications. The device operates on a single 3.3V or 2.5V supply, and is available in a small, 3 mm x 3 mm, 32-pin LLP package, making it suitable for space-constrained applications.

In conclusion, the LMK00306SQ NOPB is a versatile and powerful clock buffer designed to provide higher levels of accuracy, density, noise immunity and temperature stability to clock systems. Its low jitter and integrated calibration engine allows this device to be used in a variety of applications, ranging from network and server systems to medical and telecom applications.

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