MK2069-04GI

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The MK2069-04GI is a high-performance 32-kHz Frequency Synthesizer/Clock Generator that allows for a wide range of configurations. It provides a three-wire interface for programming and offers a broad variety of frequency, duty cycle, and output square wave forms. Its features and size make it an ideal solution for a variety of applications.

Application Field

The MK2069-04GI is well-suited to applications such as portable electronics, industrial automation, medical devices, voice recording, and communications. It can be used to generate clock signals and provide timing signals to microprocessors, DACs, and ADCs. Additionally, it can be used to divide, multiply, or generate frequencies and modify digital logic signals.

It is an ideal choice for sensitive and critical industrial applications. It is designed to minimize fluctuations in clock signals, running at a temperature range from -40°C to +85°C and consuming only 2.3mA of power at 3.3V supply voltage. Its low-noise design also makes it well suited for high-density media applications.

Working Principle

The MK2069-04GI uses a Phase-Locked Loop (PLL) and a Voltage-Controlled Oscillator (VCO) to generate a 32-kHz square wave signal from an external reference clock. The internal PLL locks in the frequency of the output square wave signal while the VCO adjusts the frequency, allowing the user to program the desired output frequency.

The frequency of the output signal is set, controlled, and monitored by an internal oscillator, a counter, a divider network, and an external resistor. The output frequency is calculated by dividing the input frequency by the internal divider network ratio. The external resistor allows the user to select the desired frequency range and the internal counter is used to adjust the output frequency. This output frequency can then be programmed and changed with the external digital interface.

The MK2069-04GI also offers a wide array of programming options. These include adjustable output square wave forms, adjustable output drive strength, and adjustable output active high/low levels. It also allows up to five simultaneously active high/low frequency outputs and a range of input formats.

Conclusion

The MK2069-04GI is an efficient, low-noise, and highly programmable clock generator/frequency synthesizer suitable for a variety of applications, from industrial automation to portable electronics and communications. Its wide range of features makes it an ideal choice for designers looking for a reliable, digital clock solution.

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