AD9850 Signal Generator Module

Overview

This product is a module with integrated AD9850 circuit. A DDS signal generator that can generate a sinusoidal or rectangular signal with a theoretical maximum frequency of 62.5 MHz. The maximum frequencies recommended to obtain a noise-free signal are 20 MHz for sinusoidal signal and 1 MHz for rectangular signal.

Specifications

• Maximum Operating Frequency: 125 MHz;
• High speed and high performance DAC comparator on chip;
• 32-bit frequency adjustment;
• Control via serial or parallel interface;
• Phase modulation capability;
• Supply voltage of 3.3 V or 5 V;
• Maximum consumption current of 96 mA;
• Maximum supply voltage: 6 V;
• Maximum output current: 5 mA;
• Very low power required: 380 mW @ 125 MHz (5 V) / 155 mW @ 110 MHz (3.3 V);
• Power down function;
• Output Frequency Resolution: 0.0291 Hz;
• Generated maximum theoretical frequency: 62.5 MHz;
• Maximum frequency change rate: 23 million changes / second;
• 5-bit shift phase increment of 180, 90, 45, 22.5 or 11.25 degrees;
• Parallel interface control involves sending 8 bits in 5 steps (according to the protocol in the attached datasheet);
• Serial interface control requires 40 bits to be sent.

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