LTC6957IDD-2#PBF

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The LTC6957IDD-2#PBF is a dual-channel, 18-bit, low-power clock and signal buffer with differential inputs and outputs, with an adjustable 100 ohm to 500 ohm differential and single-ended output isolating resistor. This part is part of the LTC family of Clock/Timing products and includes features such as a 2:1 multiplexer (MUX) with two select inputs, an active oscillator, and an adjustable idle-duty cycle controller. This makes the LTC6957IDD-2#PBF a great choice for applications such as powering digital audio, telecom and Ethernet applications.

The LTC6957IDD-2#PBF is designed for applications where low power is critical. The part consumes no more than 5 mA, 1 mA for each of its output channels, and has a low idle supply current of less than 5 mA. This low power consumption is achieved by using low power CMOS devices, and by incorporating power saving features such as an intelligent Oscillator, an adjustable duty cycle controller and an automatic band gap reference.

The LTC6957IDD-2#PBF is especially suitable for applications in which signal integrity is critical. The part has a high signal-to-noise ratio (SNR) of 82 dB and a wide bandwidth of 50MHz, which ensures that the signal remains clean and uninterrupted throughout its transmission. The part also features differential inputs and outputs, which significantly reduce the effect of noise on the signal. Furthermore, the part also features an adjustable output isolating resistor, which further improves the signal-to-noise ratio.

In addition, the LTC6957IDD-2#PBF is designed to be a cost-effective solution for high speed clock and signal buffering applications. The part comes with an integrated multiplexer, an active oscillator and an adjustable duty-cycle controller, as well as programmable power saving features, which help reduce the overall system cost by eliminating the need for additional components. The LTC6957IDD-2#PBF is an ideal solution for a wide range of clock and signal buffering applications, such as powering high dynamic range digital audio, telecom and Ethernet applications.

The working principle of the LTC6957IDD-2#PBF is based on the principle of power saving features. When the part is not in use, it automatically reduces its power consumption by turning off its internal oscillator, choosing one of the two select inputs, and adjusting the output current to a very low level. When the part is connected to an external source, it resumes its power saving features. The LTC6957IDD-2#PBF also has a programmable reselection control capability, which can be used to select any of the two select inputs prior to engaging the internal oscillator. This allows the user to reduce the overall system power consumption even further.

In conclusion, the LTC6957IDD-2#PBF is a versatile clock and signal buffer with differential inputs and outputs, adjustable 100ohm to 500 ohm differential and single-ended output isolating resistors, 2:1 MUX with two select inputs, an active oscillator and an adjustable idle-duty cycle controller. The part is designed to be a cost-effective solution for high speed clock and signal buffering applications, and is suitable for applications in which low power consumption and signal integrity are critical. The LTC6957IDD-2#PBF is an ideal solution for powering digital audio, telecom and Ethernet applications.

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