AD9835

PRODUCTION

50 MHz Direct Digital Synthesizer, Waveform Generator

Analog Devices AD9835 Product Info

10 February 2026 4

Features

5 V Power Supply
50 MHz Speed
On-Chip COS Look-Up Table
On-Chip 10-Bit DAC
Serial Loading

Power-Down Option
Temperature range: −40°C to +85°C
200 mW Power Consumption
16-Lead TSSOP

Part details & applications

The AD9835 is a numerically-controlled oscillator employing a phase accumulator, a COS lookup table, and a 10-bit digital-to-analog converter integrated on a single CMOS chip. Modulation capabilities are provided for phase modulation and frequency modulation.

Clock rates of up to 50 MHz are supported. Frequency accuracy can be controlled to one part in 4 billion. Modulation is effected by loading registers through the serial interface. A power-down bit allows the user to power down the AD9835 when it is not in use, the power consumption reduces to 1.75 mW.

The part is available in a 16-lead TSSOP package.

APPLICATIONS

Frequency stimulus/waveform generation
Frequency phase tuning and modulation
Low power RF/communications systems
Liquid and gas flow measurement
Sensory applications: proximity, motion, and defect detection
Test and medical equipment

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