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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Sample availability may be better than production availability. This resets appropriate internal registers to 0 to provide an analog output of midscale. Active Low Control Input. It also has an on-board comparator that allows a square wave to be produced for clock generation. This is a high impedance current source.

Consuming only 20 mW of power at 3 V makes the AD an ideal candidate for power-sensitive applications. This practice eases the complexity and cost of the external filter requirement for the clock generator application. Pin Count Pin Ad934 is the number of pins, balls, or pads on the device. The available outputs are a sinusoidal output or a triangle output.

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

In this case, the output is no longer sinusoidal. See Table 8 to select a frequency register. Control Register DB15 0 Rev. The write to ar9834 frequency register occurs after both words have been loaded.

This is useful as a coarse clock source. The AD is also suitable for signal generator applications. International prices may vary due to local duties, taxes, fees and exchange rates. There is an uncertainty of one MCLK cycle because it depends on the position of the MCLK rising edge when the data is loaded catasheet the destination register.

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Capability for phase modulation and frequency modulation is provided. With the on-board comparator, the device can be used to generate a square wave.

AD Datasheet and Product Info | Analog Devices

If a frequency sweep, or something similar, is required, it is recommended that users alternate between the two frequency registers. We do take orders for items that are not in stock, so delivery may be scheduled at a future date. The internal circuitry of the AD consists of the following main sections: The output frequency accuracy and phase noise are determined by this clock.

The package for this IC i.

At least one model within this product family is in production and available for purchase. D Page 10 of 29 A microstrip technique is by far the best, but it is not always possible with a double-sided board. Didn’t find what you were looking for?

For detailed drawings and chemical composition please consult our Package Site. This pin must be enabled before use.

AD Datasheet(PDF) – Analog Devices

This is outlined in Table 8 and Table 9. Similarly, with a 1 MHz clock rate, the AD can be tuned to 0. The DAC can be configured for either single-ended or differential operation. Temperature ranges may vary by model.

The comparator can be used to generate a square wave from the sinusoidal DAC output. The model is currently being produced, and generally available for purchase and sampling. An Evaluation Board is a board engineered to show the performance of the model, the part is included on the board. If the user wants to alter the entire contents of a frequency register, two consecutive writes to the same address must be performed because the frequency registers are 28 bits wide.

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Price Rohs Orders from Analog Devices. This serial interface operates at clock rates up to 40 MHz and is compatible with DSP and microcontroller standards. 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. SCLK should idle high between the two write operations.

Please enter samples into your cart to check sample availability. This pin is used for decoupling the DAC bias voltage. Similarly, with a 1 MHz clock rate, the AD can be tuned to 0. This bit must always be set to 0. This is to ensure that the output impedance of the internal switch does not change, affecting the spectral performance of the part.

The power supply lines to the AD should use as large a track as possible to provide low impedance paths and reduce the effects of glitches on the power supply line.