The AD9856 integrates a high‑speed direct digital synthesizer, a 12‑bit digital‑to‑analog converter, clock‑multiplier circuitry and digital filters to form a complete quadrature upconverter. It is offered in a low‑profile 48‑lead LQFP package and operates from a single +3 V supply over an industrial temperature range.
The document provides detailed specifications, pin configurations, functional block descriptions, typical performance plots, and mechanical dimensions, along with an ordering guide and evaluation‑board information.
| Frequency Range | 200 MHz |
|---|---|
| Supply Voltage | +3 V single‑supply |
| Narrow‑Band SFDR @ 70 MHz | 80 dB |
| Maximum Serial Control Bus Frequency | 10 MHz |
| Typical Power Consumption (Full Operation) | 530 mA |
The serial control bus can operate up to 10 MHz.
The device runs from a single +3 V supply.