TFF1007HN/N1,115

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Clock/timing components are critical components in any design, providing high accuracy, stability and jitter performance for specific signals. The TFF1007HN/N1,115 is one such component designed for high accuracy, low jitter, and low insertion loss applications. This article will discuss the application field and working principle of this device.

The TFF1007HN/N1,115 is an ideal product for applications that require tight timing control and/or long term stability. These include sample and hold systems, analog-to-digital (A/D) and digital-to-analog (D/A) converters, video and audio analysis, automatic test equipment (ATE), digital signal processing (DSP) and digital storage oscilloscopes (DSO).

The TFF1007HN/N1,115 features a multi-stage temperature compensated crystal oscillator (TCXO) design which provides the highest levels of accuracy and stability for applications requiring up to 5 partsper billion (PPB) precision. The oscillator utilizes a high frequency AT cut quartz crystal resonator that provides at least 0.2 ppm frequency accuracy and ± 60 ppb over temperature from +25°C to +85°C, as well as an extended frequency range from - 0.2% downward from the center frequency over the temperature range. The oscillator also offers an ultra-low power consumption of just 5 mA and supports the widest operating temperature range of any quartz crystal oscillator available on the market today.

The TFF1007HN/N1,115 is also equipped with a 3.2 pF low-impedance input network and a 30 pF parallel feedback network. The input/feedback circuitry allows the oscillator to operate with a very low supply current of just 1.2 mA while guaranteeing accurate frequency and output voltage swing. This allows the oscillator to be used in a variety of applications including AI and test systems and timing sensitive data acquisition systems. The oscillator also features an ultra-low power consumption of just 5 mA, allowing for higher clock frequencies than traditional quartz crystal oscillators. The device also offers MOS, Schottky and C-MOS outputs to further optimize the oscillator’s power consumption.

The TFF1007HN/N1,115 makes use of advanced digital frequency synthesis techniques to ensure accuracy and stability. The oscillator utilizes a Digital PLL implementation that reads the crystal frequency and tunes the on-board digital frequency synthesizer to the exact resonance frequency of the crystal. This provides extremely high accuracy and a low frequency error of less than ± 20ppm. The precision of the frequency synthesis is further improved with Digital Lock Detection (DLD) circuitry that detects small changes in the crystal frequency and continually adjusts the frequency synthesizer for optimal accuracy. This ensures that the oscillator remains stable and accurate for long periods of time.

The TFF1007HN/N1,115 is an excellent choice for applications that require highly precise timing and stability. With its advanced crystal oscillator and DLD circuitry, it provides excellent accuracy and low jitter performance for applications including AI, test and data acquisition systems, as well as sample and hold systems, A/D and D/A converter systems, video and audio analysis, ATE, and DSP and DSO systems. Its low power consumption and wide operating temperature range make it an ideal choice for applications that require tight timing control and/or long term stability.

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