LTC6991IDCB#TRMPBF

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LTC6991IDCB#TRMPBF Application Field and Working Principle

The LTC 6991IDCB#TRMPBF Programmable Timers and Oscillators is a multi-function device that enables a wide variety of timing solutions with a minimum number of components. It integrates clock generation, frequency measurement, and pulse width modulation technologies.

This device is comprised of two independent output channels. Output 1 is a low phase noise crystal oscillator and Output 2 can be programmed to be either a crystal oscillator or a Pulse Width Modulated (PWM) signal. Both output signals are phase-locked to an external or internal reference signal.

By default, the LTC6991IDCB#TRMPBF is set to a crystal oscillator frequency of 14MHz. The user also has the option to program the frequency of Output 1 and/or Output 2. Frequency range for both outputs can be programmed from 8 to 14MHz.

Features

• Wide programming range: 8-14 MHz
• Low phase noise oscillator
• Frequency stability: 1 ppm
• Phase lock loop (PLL) architecture
• Flexible programmable output type and polarity
• Low power consumption
• Small package size
• On-board temperature sensor for frequency adjustment

Application Field

The LTC6991IDCB#TRMPBF Programmable Timers and Oscillators is widely used in various applications, including:

• Data communications
• High-speed cameras
• Avionics
• Precision oscillators and timers
• Clock and frequency distribution systems
• Test and measurement
• Medical equipment

Working Principle

The LTC 6991IDCB#TRMPBF Programmable Timers and Oscillators is made up of two subsystems:

• Phase-locked loop (PLL): This subsystem is responsible for the phase synchronization of the two oscillator outputs, allowing for precise frequency control of both outputs. An external reference input is used to provide the desired frequency reference for the oscillators.
• Pulse-Width-Modulation/ Pulse-Code-Modulation (PWM/PCM): This subsystem handles the output of Pulse-Width-Modulated or Pulse-Code-Modulated waveforms. These waveforms are programmed by the user in order to generate square, triangular, or other waveforms.

The combination of the PLL and PWM/PCM subsystems allows for advanced timing solutions in demanding applications. The output waveforms are synchronous with the external reference frequency and can be used to control or trigger other devices.

The LTC 6991IDCB#TRMPBF Programmable Timers and Oscillators offers excellent features and performance in a small package.

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