Overview
The AD9787BSVZRL is a high-performance, dual 14-bit Digital-to-Analog Converter (DAC) produced by Analog Devices Inc. This component is part of the AD9785/AD9787/AD9788 family, which is designed to provide high dynamic range and sample rates up to 800 MSPS. It is particularly optimized for direct conversion transmit applications, including complex digital modulation, and features gain, phase, and offset compensation. The DAC is manufactured on a 0.18 μm CMOS process and operates from 1.8 V and 3.3 V supplies, making it suitable for a wide range of communication and signal processing applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 14 | - | - | Bits |
| Differential Nonlinearity (DNL) | ±0.5 | - | ±2.1 | LSB |
| Integral Nonlinearity (INL) | ±1.0 | - | ±3.7 | LSB |
| Full-Scale Output Current | 8.66 | 20.2 | 31.66 | mA |
| Output Compliance Range | -1.0 | - | +1.0 | V |
| Output Resistance | 10 | - | - | MΩ |
| Maximum Clock Rate | - | - | 800 MHz | - |
| Maximum Input Data Rate (1× Interpolation) | - | - | 250 MSPS | - |
| Operating Temperature Range | -40 | - | +85 | °C |
| Power Consumption (fDATA = 100 MSPS, Inverse Sinc Off, PLL Off) | - | - | 533 mW (1× Mode) | - |
Key Features
- Low power 32-bit complex Numerically Controlled Oscillator (NCO) allowing carrier placement anywhere in the DAC bandwidth while adding minimal power.
- High dynamic range and sample rates up to 800 MSPS, enabling multicarrier generation up to the Nyquist frequency.
- Full-scale output current programmable over a range of 10 mA to 30 mA.
- Optimized for direct conversion transmit applications, including complex digital modulation, gain, phase, and offset compensation.
- Serial Peripheral Interface (SPI) for programming and readback of internal parameters.
- Compatibility with analog quadrature modulators such as the ADL5375 family from Analog Devices Inc.
Applications
The AD9787BSVZRL is suitable for various high-performance communication and signal processing applications, including:
- Direct conversion transmit systems.
- Wireless communication systems (e.g., 4G, 5G base stations).
- Radar and electronic warfare systems.
- Test and measurement equipment.
- Broadband communication systems requiring high dynamic range and precision.
Q & A
- What is the resolution of the AD9787BSVZRL DAC?
The AD9787BSVZRL has a resolution of 14 bits. - What is the maximum sample rate of the AD9787BSVZRL?
The maximum sample rate is up to 800 MSPS. - What is the power consumption of the AD9787BSVZRL at 100 MSPS?
The power consumption is approximately 533 mW in 1× mode. - What is the operating temperature range of the AD9787BSVZRL?
The operating temperature range is from -40°C to +85°C. - Can the full-scale output current be programmed?
Yes, the full-scale output current can be programmed over a range of 10 mA to 30 mA. - What interface is used for programming and readback of internal parameters?
A Serial Peripheral Interface (SPI) is used for programming and readback of internal parameters. - Is the AD9787BSVZRL compatible with other Analog Devices components?
Yes, it is optimized to interface seamlessly with analog quadrature modulators such as the ADL5375 family. - What is the typical output resistance of the AD9787BSVZRL?
The typical output resistance is 10 MΩ. - What is the maximum clock rate for the DAC clock input?
The maximum clock rate is up to 800 MHz. - What is the package type of the AD9787BSVZRL?
The AD9787BSVZRL is enclosed in a 100-lead TQFP (14mm x 14mm with EP) package.
