MAX3991UTG+

Ratio - Input:Output:	1:2
Base Part Number:	MAX3991
Supplier Device Package:	24-TQFN (4x4)
Package / Case:	24-WFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 85°C
Voltage - Supply:	3 V ~ 3.6 V
Frequency - Max:	693.5MHz
Differential - Input:Output:	Yes/Yes
Series:	--
Number of Circuits:	1
Output:	CML
Input:	CML
Main Purpose:	SONET/SDH. XFP Optical Receivers
PLL:	Yes
Part Status:	Obsolete
Packaging:	Tube

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Introduction

The MAX3991UTG+ is a high frequency clock generator IC with advanced features and functions. This IC is suitable for a variety of timing and clock applications, which can be applied in a wide range of industries. It is one of the most versatile and reliable ICs in the market, offering many advanced features and functionalities. The MAX3991UTG+ has the capability to generate high frequencies up to 6.5GHz, making it an ideal choice for a variety of clock generation applications.

Application Specific

The MAX3991UTG+ is ideal for a variety of application-specific clock and timing applications. The ICs’ advanced frequency range and its low-noise output make it well-suited for mobile telephone, Wi-Fi, and other communication systems. It can also be used in DVD and Blu-ray players, cable and satellite television systems, digital radio and audio systems, and other commercial or consumer electronics. The IC is highly configurable, with a variety of selectable frequency outputs, slew rate settings, duty cycle settings, and delay settings. The ICs’ advanced frequency range and its low-noise output make it well-suited for mobile telephone, Wi-Fi, and other communication systems. Additionally, the user can utilize the high resolution outputs and flexible delay adjustments, enabling the generation of accurately clocked signals with minimal jitter.

Working Principles

The MAX3991UTG+ features a variety of clock generator architectures, including phase-locked loops (PLLs), phase-shift oscillators (PSOs), frequency synthesizers, and phase comparators. It has an architecture that is optimized for fast lock-in time, low power consumption, and jitter performance.The core of the IC is composed of two PLLs. The first PLL is composed of two phase comparators and a low-pass filter. This first PLL is used to lock in the desired frequency and phase. The second PLL is then used to compare the input clock to the reference clock and produce an output signal that is phase-aligned with the reference.In addition, the MAX3991UTG+ is configurable with multiple frequency dividers, enabling the user to gain access to a range of predefined frequencies. The IC also has slew rate control, duty cycle control, and programmable delays to optimize clock control.

Conclusion

The MAX3991UTG+ is a highly configurable clock generator IC, suitable for a variety of application-specific clock and timing applications. It has a very advanced frequency range of up to 6.5GHz and features a configurable architecture optimized for fast lock-in time and low power consumption. Additionally, it features selectable frequency dividers, slew rate control, duty cycle control, and programmable delays, allowing the user to optimize their clock control. For these reasons, the MAX3991UTG+ is an ideal choice for a variety of clock generation applications.

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