Overview
The AD9789BBC, produced by Analog Devices Inc., is a highly integrated and flexible QAM encoder/interpolator/upconverter combined with a high-performance, 2400 MSPS, 14-bit RF digital-to-analog converter (DAC). This component is designed to support a wide range of applications in broadband communications and wireless infrastructure. It features a flexible digital interface that can accept up to four channels of complex data and supports various constellation sizes for QAM encoding. The AD9789BBC is known for its low noise and intermodulation distortion performance, enabling high-quality synthesis of signals up to 1 GHz.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14-bit |
| Sampling Rate | 2400 MSPS |
| Supply Voltages | 1.5 V, 1.8 V, 3.3 V |
| Total Power Consumption | 1.6 W |
| Package Type | 164-ball Chip Scale Package Ball Grid Array (CSPBGA) |
| Package Dimensions | 12mm x 12mm x 1.22mm |
| Data Bus Widths | 4, 8, 16, 32 bits |
| Interface Type | LVDS or CMOS |
| Maximum Data Rate | Up to 150 MHz CMOS or 150 MHz LVDS DDR |
Key Features
- Flexible QAM encoder supporting constellation sizes of 16, 32, 64, 128, and 256 with SRRC filter coefficients.
- On-chip rate converter supporting a wide range of baud rates with a fixed DAC clock.
- Digital upconverter capable of placing channels from 0 to 0.5 × fDAC.
- Support for direct to RF synthesis with fS mix mode.
- Built-in self-test (BIST) support and input connectivity check.
- Internal random number generator.
- Flexible digital interface configurable for data bus widths of 4, 8, 16, and 32 bits.
- Serial peripheral interface (SPI) for device configuration and status register readback.
Applications
- Broadband communications systems.
- Cable Modem Termination Systems (CMTS).
- Digital Video Broadcasting-Cable (DVB-C).
- Cellular infrastructure.
- Point-to-point wireless systems.
Q & A
- What is the resolution and sampling rate of the AD9789BBC? The AD9789BBC has a 14-bit resolution and a sampling rate of 2400 MSPS.
- What are the supported supply voltages for the AD9789BBC? The AD9789BBC operates from 1.5 V, 1.8 V, and 3.3 V supplies.
- What is the total power consumption of the AD9789BBC? The total power consumption is 1.6 W.
- What types of data interfaces does the AD9789BBC support? The AD9789BBC supports LVDS and CMOS interfaces with configurable data bus widths of 4, 8, 16, and 32 bits.
- What are the key applications of the AD9789BBC? The key applications include broadband communications systems, CMTS, DVB-C, cellular infrastructure, and point-to-point wireless systems.
- Does the AD9789BBC support built-in self-test (BIST)? Yes, the AD9789BBC includes built-in self-test (BIST) support.
- What is the package type and dimensions of the AD9789BBC? The AD9789BBC is supplied in a 164-ball Chip Scale Package Ball Grid Array (CSPBGA) with dimensions of 12mm x 12mm x 1.22mm.
- Can the AD9789BBC handle multiple channels of complex data? Yes, the AD9789BBC can accept up to four channels of complex data.
- What is the maximum data rate supported by the AD9789BBC? The AD9789BBC supports up to 150 MHz CMOS or 150 MHz LVDS DDR data rates.
- Does the AD9789BBC require special power sequencing? No, the AD9789BBC does not require special power sequencing.
