**AD9773BSVZ: A 14-Bit, 160 MSPS High-Speed TxDAC® with Selectable 2×/4×/8× Interpolation Filters**

In the realm of high-speed digital-to-analog conversion, the **AD9773BSVZ** stands out as a pivotal component for advanced communications and signal processing systems. As a member of Analog Devices' renowned TxDAC® family, this 14-bit, 160 MSPS (Mega Samples Per Second) converter is engineered to deliver exceptional performance, particularly in applications demanding high dynamic range and low distortion.

The core strength of the AD9773BSVZ lies in its **integrated selectable interpolation filters**. This feature allows for on-chip data upsampling by factors of 2×, 4×, or 8×. Interpolation is a critical function as it eases the requirements on the upstream digital signal processor (DSP) and the subsequent analog reconstruction filter. By raising the effective sample rate, the interpolation filters push the images of the baseband signal to higher frequencies. This simplifies the task of the output filter, which now only needs to attenuate these higher-frequency images rather than deal with more complex, closer-in aliases, resulting in a cleaner analog output and a more efficient system design.

The device operates at a **160 MSPS conversion rate**, providing the necessary bandwidth for demanding RF applications such as wireless base stations, broadband wireless access, and medical imaging equipment. The 14-bit resolution ensures high precision, offering excellent spurious-free dynamic range (SFDR) and low noise, which are paramount for maintaining signal integrity.

Furthermore, the AD9773BSVZ includes a host of features that enhance its flexibility and integration. It supports a single +3.3 V supply operation and features a serial port interface (SPI) for digital control of various parameters, including the selection of the interpolation factor, output current adjustment, and power-down modes. Its differential current outputs are designed to interface seamlessly with a variety of RF mixers and amplifiers, making it a versatile choice for system architects.

**ICGOOODFIND:** The AD9773BSVZ is a high-performance, feature-rich TxDAC® that effectively combines high-speed conversion with the significant system-level benefits of integrated interpolation filtering. It simplifies analog filter design, reduces processing overhead, and delivers the signal purity required for next-generation communications infrastructure.

**Keywords:** High-Speed DAC, Interpolation Filter, TxDAC, 160 MSPS, 14-Bit Resolution