AD9914 is a product with a 3.5 GSPS direct digital synthesizer and a 12-bit DAC. It features high-resolution frequency and phase tuning, enabling automatic linear and nonlinear frequency sweeping, and has a wide dynamic range. The product also has multichip synchronization capability and is suitable for applications such as frequency synthesis, programmable clock generators, radar, and scanning systems.
The AD9914 is a direct digital synthesizer (DDS) featuring a 12-bit DAC and an internal high-speed clock up to 3.5 GSPS. It is designed to generate frequency-agile analog output sinusoidal waveforms at up to 1.4 GHz, supporting applications such as agile LO frequency synthesis, fast frequency hopping, and polar modulation.
The document provides detailed DC and AC specifications, including supply voltage ranges, power dissipation, and timing parameters for serial and parallel ports. It also outlines the theory of operation for various modulation modes, pin configurations, and typical performance characteristics.
| Clock Speed | 3.5 GSPS |
|---|---|
| DAC Resolution | 12-bit |
| Supply Voltage (DVDD_I/O) | 3.3 V |
| Phase Noise | -128 dBc/Hz |
| Wideband SFDR | <-50 dBc |
| Package | 88-lead LFCSP |
Yes, it features software and hardware controlled power-down.
The device offers frequency tuning resolution to 271 pHz.