GY-9833 AD9833 Programmable DDS Signal Generator
The GY-9833 AD9833 Programmable DDS Signal Generator is a versatile, energy-efficient waveform generator that can produce sine, triangular, and square waves. It is essential for sensing, actuation, and time domain reflectometry (TDR) purposes. Its software programmability enables simple frequency and phase adjustments without the need for external components.
The AD9833 has a standardized serial interface which enables direct interfacing with multiple microprocessors. An external serial clock is utilized to input data and control information into the device.
The AD9833 communicates through a 3-wire serial interface, with a clock speed of up to 40 MHz. This interface follows the standards used for DSP and microcontroller communication. The device is designed to function within a power supply range of 2.3 V to 5.5 V.
The AD9833 has a feature called SLEEP, which enables unused portions of the device to be powered down. This reduces the current consumption of the part, such as when generating a clock output, allowing the DAC to also be powered down.
The notable qualities of GY-9833 AD9833 Programmable DDS Signal Generator:
- Frequency and phase that can be programmed digitally.
- The power consumption at 3 V is measured to be -12.65 mW.
- The output frequency range spans from 0 MHz to 12.5 MHz.
- At a 25 MHz reference clock, the resolution is 0.1 Hz with a 28-bit range.
- The outputs consist of sinusoidal, triangular, and square waves.
- The power supply ranges from -2.3 V to 5.5 V.
- External components are not necessary.
- SPI interface with 3 wires
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