Overview
The AD9164BBCAZ, produced by Analog Devices Inc., is a high-performance, 16-bit digital-to-analog converter (DAC) and direct digital synthesizer (DDS). This component supports update rates up to 6 GSPS and features a quad-switch architecture coupled with a 2× interpolator filter, enabling an effective DAC update rate of up to 12 GSPS in certain modes. The AD9164 is designed for demanding high-speed radio frequency (RF) DAC applications, offering high dynamic range and bandwidth.
Key Specifications
| Parameter | Specification |
|---|---|
| Resolution | 16-bit |
| DAC Update Rate | Up to 12 GSPS |
| DDS Update Rate | Up to 6 GSPS |
| Output Current Range | 8 mA to 38.76 mA |
| Package Options | 165-ball, 8 mm × 8 mm, 0.5 mm pitch CSP_BGA; 169-ball, 11 mm × 11 mm, 0.8 mm pitch CSP_BGA |
| Supply Voltages | Analog: 1.14V to 1.326V, Digital: 1.14V to 1.326V, IOVDD: 1.8V to 3.3V |
| Interface | Up to eight JESD204B SERDES lanes, 100 MHz SPI interface |
| Frequency Range | DC to 2.5 GHz in baseband mode, DC to 6 GHz in 2× NRZ mode, 1.5 GHz to 7.5 GHz in Mix-Mode |
Key Features
- High dynamic range and signal reconstruction bandwidth supporting RF signal synthesis up to 7.5 GHz.
- Quad-switch architecture with a 2× interpolator filter for high-speed operation.
- Direct digital synthesizer with 32, 32-bit numerically controlled oscillators (NCOs) for phase coherent fast frequency hopping.
- Flexible JESD204B SERDES interface with up to eight lanes and programmable lane speed.
- Configurable output current and multiple power supply options for reduced system power and ease of filtering.
- SPI interface for configuration and status monitoring.
Applications
- Broadband communications systems, including DOCSIS 3.1 CMTS, video on demand (VOD), and edge quadrature amplitude modulation (EQAM).
- Wireless communications infrastructure, such as W-CDMA, LTE, LTE-A, and point-to-point systems.
- High-speed RF signal synthesis and generation in various communication and radar systems.
Q & A
- What is the maximum DAC update rate of the AD9164?
The AD9164 supports a maximum DAC update rate of up to 12 GSPS.
- What is the frequency range supported by the AD9164 in baseband mode?
The AD9164 supports frequencies from DC to 2.5 GHz in baseband mode.
- How many NCOs are included in the DDS of the AD9164?
The DDS of the AD9164 includes 32, 32-bit numerically controlled oscillators (NCOs).
- What is the range of the output current for the AD9164?
The output current of the AD9164 can be programmed from 8 mA to 38.76 mA.
- What type of interface does the AD9164 use for configuration and status monitoring?
The AD9164 uses a 100 MHz SPI interface for configuration and status monitoring.
- What are the package options available for the AD9164?
The AD9164 is available in 165-ball, 8 mm × 8 mm, 0.5 mm pitch CSP_BGA and 169-ball, 11 mm × 11 mm, 0.8 mm pitch CSP_BGA packages.
- What is the purpose of the 2× interpolator filter in the AD9164?
The 2× interpolator filter enables the AD9164 to be configured for lower data rates and converter clocking, reducing overall system power and easing filtering requirements.
- What are some of the key applications of the AD9164?
The AD9164 is used in broadband communications systems, wireless communications infrastructure, and high-speed RF signal synthesis and generation.
- How does the AD9164 support phase coherent fast frequency hopping?
The AD9164 supports phase coherent fast frequency hopping through its DDS with 32 NCOs and a 100 MHz SPI interface.
- What is the maximum frequency range supported by the AD9164 in Mix-Mode operation?
In Mix-Mode operation, the AD9164 can reconstruct RF carriers up to 7.5 GHz.
