Specifications 5
DC Specifications 5 AC Specifications 6 Absolute Maximum Ratings9 Thermal Performance9 ESD Caution9 Pin Configuration and Function Descriptions 10 Typical Performance Characteristics 12 Equivalent Circuits16 Theory of Operation17 Single Tone Mode17 Profile Modulation Mode17 Digital
Features
2.5 GSPS internal clock speed.
Integrated 12-bit DAC.
Frequency tuning resolution to 135 pHz.
16-bit phase tuning resolution.
12-bit amplitude scaling.
Programmable modulus.
Automatic linear and nonlinear frequency sweeping capability.
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Data Sheet AD9915
2.5 GSPS Direct Digital Synthesizer with 12-Bit DAC
FEATURES
► 2.5 GSPS internal clock speed ► Integrated 12-bit DAC ► Frequency tuning resolution to 135 pHz ► 16-bit phase tuning resolution ► 12-bit amplitude scaling ► Programmable modulus ► Automatic linear and nonlinear frequency sweeping capability ► 32-bit parallel datapath interface ► 8 frequency/phase offset profiles ► Phase noise: −128 dBc/Hz (1 kHz offset at 978 MHz) ► Wideband SFDR < −57 dBc ► Serial or parallel input/output control ► 1.8 V/3.
AD9915 Datasheet
