LTC6991IS6#TRMPBF

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The LTC6991IS6#TRMPBF is a highly integrated programmable timer and oscillator designed with flexibility and precision in mind. It is most commonly used in applications that require very precise timing with jitter of low frequency signals. The chip comes in a small, leadless 28-pin package, making it ideal for board-space-constrained applications such as automotive and medical systems.

The programmable timer works on both resistive and capacitive switching. Depending on the programming, it can be used to provide any frequency from kHz to GHz. The accuracy of the timer is 0.1 percent or better, with individual momentary jitter of 1ps or better. The timer is extremely power efficient, drawing a maximum current of 5mA at the 1.8V supply voltage. It is also very stable, with a temperature coefficient of 2ppm/Deg à annum.

The programmable oscillator consists of an active-low phase-locked loop (PLL) and a digital-to-analog converter (DAC). The PLL regulates an internal reference frequency and the DAC is used to generate a clock waveform. This waveform can be used to produce modulated signals or set a specific frequency, dependent on the external components used.

The timer and oscillator are both programmable using external connections, separate from the main power rail. The programming options include the ability to control delays and waveforms, as well as to set frequency and duty cycles. This allows the device to be configured to specific user requirements.

The LTC6991IS6#TRMPBF is a reliable and highly precise device for timing and oscillation applications. Its wide frequency range, low power consumption, and programmable features make it an attractive choice for automotive and medical system applications. With its robust construction, it is suitable for use in harsh environments and has been certified for use in all regulatory regimes.

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