LMK04826BISQE/NOPB

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The LMK04826BISQE/NOPB is a high-performance analog PLL with integrated VCO that is designed to generate low noise, frequency-agile clock outputs with very low jitter in extremely small packages. It is excellent for applications where precise frequency and jitter control is important, such as in high speed communication and switching equipment, test and measurement instruments, and high performance clock and timing systems. The LMK04826BISQE/NOPB is a versatile and valuable component for any system and is quickly becoming a staple in many industries.

The LMK04826BISQE/NOPB is part of the LMK048xx family of clock generator ICs from Texas Instruments. It provides a low distortion and low jitter source of clock frequencies from 518 MHz to 3.5 GHz. The device features an integrated Voltage Control Oscillator (VCO) with an active frequency loop to provide fast frequency settling and a wide loop bandwidth for optimal jitter performance. It also includes a high-frequency programmable loop reference divider, a four-phase digital fractional-N frequency synthesizer with selectable reference clock Divided By (or reference clock multiplier), and four outputs that can be divided down by powers of two up to 256.

The LMK04826BISQE/NOPB integrates all the necessary clock generator circuitry into a single package to eliminate the need for external components. It is designed with an internal charge pump, loop filter, voltage regulator, crystal oscillator and frequency-locked loop. It also has a programmable frequency band and a PLL gain of 60 dB allowing for precise frequency and jitter control. The device also features low jitter performance, low phase noise, and fast locking time.

The working principle of the LMK04826BISQE/NOPB is simple: the input is supplied a reference clock, which is then multiplied by the reference clock multiplier and divided by the reference clock divider. The resulting output frequency is then used to phase-lock a voltage-controlled oscillator (VCO) output to match the desired frequency. The frequency synthesizer contains a phase detector, a low pass filter, and a voltage-controlled oscillator. An internal programmable loop filter is used to control the PLL’s capture range, lock times, and phase noise. The desired output frequency is obtained by dividing the VCO output frequency. The division ratio is set by the user-programmable frequency divider. The device also provides an output clock enable function.

Since its introduction, the LMK04826BISQE/NOPB has become a go-to choice for many clock and timing applications. Because of its low phase noise and low jitter performance, the device is well suited for communication and switched networks, consumer audio and video equipment, medical instrumentation, and point of sale devices. In addition, its low power consumption, tiny package size, and ease of use make it an ideal choice for many consumer and embedded applications.

The LMK04826BISQE/NOPB is an excellent solution for any clock and timing application requiring precise frequency and jitter control, and is quickly becoming an invaluable component for many industries. Its low power consumption, tiny package size, and low jitter performance make it an excellent choice for a variety of applications.

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