Overview
The AD9779ABSVZ is a high-performance, dual 16-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is part of the AD9776A/AD9778A/AD9779A family, which offers superior dynamic range and high sample rates. The AD9779ABSVZ is optimized for direct conversion transmission applications, including complex digital modulation and gain and offset compensation. It operates at a sample rate of 1 GSPS, enabling multicarrier generation up to the Nyquist frequency.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 16 | - | - | Bits |
| Differential Nonlinearity (DNL) | ±0.1 | ±0.65 | ±2.1 | LSB |
| Integral Nonlinearity (INL) | ±0.86 | ±1.5 | ±6.0 | LSB |
| Sample Rate | - | - | 1 GSPS | - |
| Full-Scale Output Current | 10 mA | - | 30 mA | - |
| Supply Voltages | 1.8 V, 3.3 V | - | - | - |
| Power Consumption | - | - | 1.0 W | - |
| Package | - | - | 100-Lead TQFP | - |
Key Features
- Dual 16-bit digital-to-analog converters with high dynamic range.
- Sample rate of 1 GSPS, supporting multicarrier generation up to the Nyquist frequency.
- Optimized for direct conversion transmission applications, including complex digital modulation.
- Gain and offset compensation features.
- DAC outputs optimized to interface with analog quadrature modulators like the ADL537x FMOD series.
- 3-wire interface for programming and readback of internal parameters.
- Full-scale output current programmable from 10 mA to 30 mA.
- Manufactured on an advanced 0.18 μm CMOS process.
- Operates on 1.8 V and 3.3 V supplies with a total power consumption of 1.0 W.
Applications
- Direct conversion transmission systems.
- Complex digital modulation applications.
- Wireless communication systems, including base stations and repeaters.
- Radar and electronic warfare systems.
- High-speed data acquisition and signal processing systems.
Q & A
- What is the resolution of the AD9779ABSVZ DAC?
The AD9779ABSVZ has a resolution of 16 bits.
- What is the maximum sample rate of the AD9779ABSVZ?
The maximum sample rate is 1 GSPS.
- What are the supply voltages for the AD9779ABSVZ?
The device operates on 1.8 V and 3.3 V supplies.
- What is the power consumption of the AD9779ABSVZ?
The total power consumption is 1.0 W.
- What is the package type of the AD9779ABSVZ?
The device is packaged in a 100-Lead TQFP (Thin Quad Flat Package).
- Can the full-scale output current be programmed?
- What type of interface does the AD9779ABSVZ use for programming and readback?
The device uses a 3-wire interface for programming and readback of internal parameters.
- What are some typical applications of the AD9779ABSVZ?
Typical applications include direct conversion transmission systems, complex digital modulation, wireless communication systems, radar, and electronic warfare systems.
- Is the AD9779ABSVZ compatible with analog quadrature modulators?
- What is the manufacturing process of the AD9779ABSVZ?
The device is manufactured on an advanced 0.18 μm CMOS process.
