Overview
The AD9778ABSVZRL is a high-performance, dual 14-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is part of the AD9776A/AD9778A/AD9779A family, known for their high dynamic range and versatility in various applications. The AD9778ABSVZRL is optimized for direct conversion transmission applications, including complex digital modulation and gain and offset compensation. It operates at a sample rate of up to 1 GSPS, making it suitable for multicarrier generation up to the Nyquist frequency.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 14 | - | - | Bits |
| Differential Nonlinearity (DNL) | ±0.65 | - | ±2.1 | LSB |
| Integral Nonlinearity (INL) | ±1.5 | - | ±6.0 | LSB |
| Main DAC Output Full-Scale Current | 10 | 20 | 30 | mA |
| Analog Supply Voltage (AVDD33) | 3.13 | 3.3 | 3.47 | V |
| Digital Supply Voltage (DVDD18) | 1.70 | 1.8 | 1.90 | V |
| Maximum Clock Rate (PLL off) | - | - | 1000 | MHz |
| Operating Temperature Range | -40 | - | +85 | °C |
| Power Consumption (1× Mode, fDAC = 100 MSPS) | 250 | 300 | - | mW |
Key Features
- High dynamic range with resolutions of 14 bits.
- Sample rate of up to 1 GSPS, enabling multicarrier generation up to the Nyquist frequency.
- Optimized for direct conversion transmission applications, including complex digital modulation.
- Gain and offset compensation capabilities.
- Seamless interface with analog quadrature modulators such as 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.
- Compliant with IEEE-1596 reduced range link for LVDS drivers and receivers.
Applications
- Direct conversion transmission systems.
- Complex digital modulation applications.
- Wireless communication systems, including base stations and repeaters.
- Radar and electronic warfare systems.
- Test and measurement equipment.
- High-speed data acquisition systems.
Q & A
- What is the resolution of the AD9778ABSVZRL DAC?
The AD9778ABSVZRL has a resolution of 14 bits.
- What is the maximum sample rate of the AD9778ABSVZRL?
The maximum sample rate is up to 1 GSPS.
- What are the typical operating supply voltages for the AD9778ABSVZRL?
The typical operating supply voltages are 3.3 V for AVDD33 and 1.8 V for DVDD18 and CVDD18.
- What is the range for the full-scale output current of the AD9778ABSVZRL?
The full-scale output current can be programmed from 10 mA to 30 mA.
- What type of interface does the AD9778ABSVZRL use for programming and readback?
The AD9778ABSVZRL uses a 3-wire interface for programming and readback of internal parameters.
- What is the operating temperature range of the AD9778ABSVZRL?
The operating temperature range is from -40°C to +85°C.
- What are some common applications for the AD9778ABSVZRL?
Common applications include direct conversion transmission systems, complex digital modulation, wireless communication systems, radar and electronic warfare systems, test and measurement equipment, and high-speed data acquisition systems.
- Is the AD9778ABSVZRL compliant with any specific standards for LVDS drivers and receivers?
Yes, the AD9778ABSVZRL is compliant with the IEEE-1596 reduced range link for LVDS drivers and receivers.
- What is the typical power consumption of the AD9778ABSVZRL in 1× mode at 100 MSPS?
The typical power consumption is around 300 mW.
- What is the package type of the AD9778ABSVZRL?
The AD9778ABSVZRL comes in a 100-lead TQFP_EP package.
