Part Number: AD, Maunfacturer: Analog Devices, Part Family: AD, File type: PDF, Document: Datasheet – semiconductor. AD Complete DDS With Bit On-chip DAC FEATURES 5 V Power Supply 50 MHz Speed On-Chip COS Look-Up Table On-Chip Bit DAC Serial. frequency modulation can be performed with the AD Full data on the AD is available in the AD datasheet available from Analog Devices and.

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Lines 20 to 50 contain the initialization code, after that the output frequency is set to Hz, and chip is taken out of a reset which enables the output. At least one model within this product family is in production and available for dtaasheet.

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AD Datasheet(PDF) – Analog Devices

A Information furnished by Analog Devices is believed to be accurate and reliable. This is the acceptable operating range of the device. Frequently Asked Questions 1. Clock rates of up to 50 MHz are supported. If you have not previously purchased an SDP Controller board, please do so to ensure a full evaluation setup. I just scanned the result with flatbed scanner at dpi and examined the result.

Pin Count is the number of pins, balls, or pads on the device. At line is a subroutine that calculates a bit frequency word for a frequency given in variable F. The end result is a crude DIP package.


A power-down bit allows the user to power down the AD when it is not in use, the power consumption reduceds to 1. Product Lifecycle Production At least one model within this product family is in production and available for purchase. On-chip COS lookup table.

Evaluation Boards Pricing displayed is based on 1-piece. Although the 30kHz signal shows no such steps, they are still there, but as there are 10 times more discrete steps, they are also 10 times smaller.

Specifications subject to change without notice. This is the date Analog Devices, Inc. Simple Circuit Controls Stepper Motors. Below are the scope captures of output signal at 30kHz and khz. View Detailed Evaluation Kit Information. A power-down bit allows the user to power down the AD when it is not in use; the power consumption reduces to 1.

The various ranges specified are as follows:. I then scraped the pads off from where the TTSOP case needed to go, and soldered wires to ‘dip24’ terminals from each of the pins. Once an order has been placed, Analog Devices, Inc.

This can be one of 4 stages: ADIsimDDS uses mathematical equations to model and illustrate the overall performance of the selected device.

Please consult the datasheet for more information. The Purchase button will be displayed if model is available for purchase online at Analog Devices or one of our authorized distributors. All About Direct Digital Synthesis. Frequency phase tuning and modulation. Didn’t find what you were looking for? All the magic smoke comes instantly out of a chip, and you have to start all over.


We achieve this by incorporating quality and reliability checks in every scope of product and process design, dwtasheet in the manufacturing process as well. Finally I soldered power supply decoupling caps directly to the converter board.

No license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Complete DDS With 10-Bit On-Chip DAC

Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing. Model The model number is a specific version of a generic that can be purchased or sampled. If a model is not available for web samples, look for notes on the product page that indicate how to request samples or Contact ADI. This is how I usually do it. Other models listed in the table may still be available if they have a status that is not obsolete. Frequency accuracy can be controlled to one part in 4 billion.

This tool also models an estimate of the overall spectral performance, and allows the user to explore the effects of external reconstruction filters. In general, the best option for prototyping in my opinion is a ‘format conversion’. As you can see, kHz output only has about 11 discrete steps. Modu- lation capabilities are provided for phase modulation and frequency modulation.

As you can see, the code is not a rocket science either. Price Rohs Orders from Analog Devices.