AD9956 Datasheet (Analog Devices) - 2.7 GHz DDS-Based AgileRF Synthesizer

AD9956, 2.7 GHz DDS-Based AgileRF Synthesizer

11 Typical Performance Characteristics 13 Typical Application Circuits 16 Application Circuit Explanations 17 General Description 18 DDS Core 18 PLL Circuitry 18 REVISION HISTORY 8/2020 *Rev.

A to Rev.

B Changes to Figure 3 11 Updated Outline Dimensions 32 Changes to Ordering Guide 32

AD9956 Features

* 400 MSPS internal DDS clock speed 48-bit frequency tuning word 14-bit programmable phase offset Integrated 14-bit DAC Excellent dynamic performance Phase noise ≤ 135 dBc/Hz @ 1 KHz offset

* 80 dB SFDR @ 160 MHz (±100 KHz offset IOUT) 25 Mb/s write-speed serial I/O control 200 MHz phase freque