AD9834 DATASHEET PDF

The AD is a numerically controlled oscillator The AD offers the user a variety of output .. may not meet the specifications listed in the data sheet. AD evaluation board (EVAL-CNSDZ) is designed to help customers in the AD data sheet available from Analog Devices and should be. Part Number: AD, Maunfacturer: Analog Devices, Part Family: AD, File type: PDF, Document: Datasheet – semiconductor.

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The serial clock can be continuous, or it can idle high or low between write operations. The output frequency accuracy and phase noise are determined by this clock.

Package Description The package for this IC i. Most orders ship within 48 hours of this date. This is explained further in Table DVDD can have a value from 2.

For example, the DAC can be powered down when a clock output is being generated. Trademarks and registered trademarks are the property of their respective owners.

This practice eases the complexity and cost of the external filter requirement for the clock generator application.

After filtering the sinusoidal output from the DAC, the waveform can be applied to the comparator to generate a square waveform. The parts of the chip that can be powered down are the internal clock and the DAC. Knowing that the phase of a sine wave is linear and given a reference interval clock periodthe phase rotation for that period can be determined. This determines the magnitude of the full-scale DAC current.

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AD Datasheet and Product Info | Analog Devices

View Detailed Reference Design Information. An on-board regulator steps down the voltage applied at DVDD to 2.

The Sample button will be displayed if a model is available datashret web samples. The model has not been released to general production, but samples may be available. Price Rohs Orders from Analog Devices. Model The model number is a specific version of a generic that can be purchased or sampled.

AD Datasheet pdf – Low Power, + V to + V, 50 MHz Complete DDS – Analog Devices

Capability for phase modulation and frequency modulation is provided. Table 6 describes the individual bits of the control register. Avoid crossover of digital and analog signals. Synchronized Synthesizers Aid Multichannel Systems. See Table 8 to select a frequency register.

This square wave can also be divided by two before being output. The AD has an internal 1.

It also has an on-board comparator that allows a square wave to be produced for clock generation. To load the remaining eight bits to the AD, P3. It is necessary only to have sufficient phase resolution such that the errors due to truncation are smaller than the resolution of the bit DAC. The first two bits of each bit word define the frequency register the word is loaded to and should, therefore, be the same for both of the consecutive writes. This is useful as a coarse clock source.

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International prices may differ due to local duties, taxes, fees and exchange rates. The comparator reference datazheet is the time average of the signal applied to VIN. Frequently Asked Dataasheet 1.

20 mW Power, 2.3 V to 5.5 V, AD9834 Data Sheet

The AD is also suitable for signal generator applications. Simple Circuit Controls Stepper Motors. Following the NCO, a phase offset can be added to perform phase modulation using the bit phase registers.