AD9776A/AD9778A/AD9779A are dual 12-/14-/16-bit 1GSPS digital-to-analog converters. They feature low power consumption, adjustable analog output, and multiple chip synchronization interface.
The AD9776A, AD9778A, and AD9779A are dual 12‑/14‑/16‑bit digital‑to‑analog converters offering up to 1 GSPS sample rate and low‑power operation, optimized for wireless infrastructure and wideband communications. They include a novel interpolator/modulator, auxiliary DACs, and a high‑performance PLL clock multiplier.
The document contains detailed sections on features, applications, functional block diagrams, electrical specifications, pin descriptions, digital interface timing, thermal resistance, and absolute maximum ratings, as well as ordering information and evaluation board details.
| Resolution | 12‑16 bits (model dependent) |
|---|---|
| Maximum Sample Rate | 1 GSPS |
| Power Consumption (1 GSPS) | 1.0 W |
| Supply Voltages | AVDD33 3.3 V, DVDD33 3.3 V, DVDD18 1.8 V, CVDD18 1.8 V |
The devices support a maximum sample rate of 1 GSPS.
The devices use AVDD33 = 3.3 V, DVDD33 = 3.3 V, DVDD18 = 1.8 V, and CVDD18 = 1.8 V.