This datasheet details the AD9859, a 400 MSPS direct digital synthesizer with an integrated 10-bit DAC and 32-bit tuning word for high-frequency analog output.
The AD9859 is a Direct Digital Synthesizer (DDS) featuring a 10-bit DAC operating at up to 400 MSPS. It utilizes advanced DDS technology coupled with an internal high-speed, high-performance DAC to generate frequency-agile analog output sinusoidal waveforms at up to 200 MHz.
| Internal Clock Speed | 400 MSPS |
|---|---|
| DAC Resolution | 10 Bits |
| Frequency Tuning Word | 32-bit |
| Phase Noise @ 1 kHz Offset | -105 dBc/Hz |
| Wideband SFDR (1 MHz to 10 MHz) | 64 dBc |
| Operating Temperature Range | -40°C to +105°C |
| Power Supply Voltage (AVDD, DVDD) | 1.8 V |
The device can generate a frequency-agile analog output sinusoidal waveform at up to 200 MHz.
The AD9859 supports multichip synchronization via a SYNC_IN and SYNC_CLK interface.