DS1087LU-216

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The DS1087LU-216 is a clock or timing device from Maxim Integrated. It is a 35MHz, 9-output Clock Generator with an integrated phase-locked loop (PLL). The device is ideal for applications such as timing and clocking for communications and datacom systems.

The DS1087LU-216 features an integrated on-chip PLL designed to provide ultra-low jitter and fast lock times. The device is designed to provide high frequency switching while maintaining accuracy, and is capable of frequencies up to 35 MHz. The device also supports a double data rate (DDR) clock application, with six differential and one single-ended PECL outputs.

The DS1087LU-216 is a single-supply device, with a power supply range of 1.8V - 3.3V. It features an integrated 3.3V regulator, allowing direct connection to certain power sources. The power consumption of the device is low, with a static current consumption of only 250 uA.

The device architecture of the DS1087LU-216 consists of three functional blocks: a voltage-controlled oscillator (VCO), a phase frequency detector (PFD), and a low-pass filter and charge pump (LPF/CP). The VCO is a fundamental step in the generation of the CLKOUT signal. It is controlled by a unique two-pin serial programming approach, which allows the desired frequency to be set. The PFD monitors both the user-programmed clock signal and the internally generated (VCO) signal. Any jitter present in the signal is monitored, and the output is used to adjust the VCO control voltage. The LPF/CP filters the output of the PFD, and supplies the necessary current to the VCO.

The DS1087LU-216 offers a number of advantages over traditional clock generators. It is a low noise and low jitter device, thereby ensuring the accuracy of the timing and clocking signals. The integrated PLL ensures fast lock times and easy programming. The small size of the device allows it to be used in many applications, while the low power consumption makes it suitable for battery-powered devices. Finally, the device is RoHS-compliant, making it suitable for a wider range of applications.

In conclusion, the DS1087LU-216 is a high-performance clock generator with an integrated PLL, designed to provide reliable and accurate timing and clocking signals. It features a low power consumption and small size, making it suitable for a wide range of applications. The device is RoHS-compliant, allowing it to be used in many environments.

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