**AD9787BSVZRL: A Comprehensive Technical Overview of the 16-Bit, 2 GSPS High-Speed DAC**

The **AD9787BSVZRL** from Analog Devices represents a pinnacle of performance in the realm of digital-to-analog converters (DACs). Designed for the most demanding high-speed applications, this 16-bit, 2 GSPS (Giga Samples Per Second) DAC integrates advanced features to deliver exceptional signal fidelity, flexibility, and integration, making it a cornerstone technology in modern communications, instrumentation, and defense systems.

At the heart of the AD9787BSVZRL is a **core DAC capable of update rates up to 2 GSPS**. This immense speed allows for the direct synthesis of wideband intermediate frequency (IF) and radio frequency (RF) signals, eliminating the need for multiple mixing stages and simplifying transmitter design. The **16-bit resolution ensures high dynamic performance**, providing a spurious-free dynamic range (SFDR) of up to 85 dBc and a signal-to-noise ratio (SNR) of 80 dB at 100 MHz output, which is critical for maintaining signal integrity in congested spectral environments.

A key feature of this DAC is its **high-performance, low-noise phase-locked loop (PLL)** with an integrated voltage-controlled oscillator (VCO). This integrated clock multiplier allows the device to generate its own high-speed sampling clock from a much lower-frequency external reference, significantly reducing system complexity and component count. The digital data interface is equally sophisticated, supporting a **high-speed LVDS (Low-Voltage Differential Signaling) data bus** to handle the enormous data throughput required for 2 GSPS operation while minimizing noise and crosstalk.

The device offers unparalleled flexibility through its **programmable digital data path**. This includes a built-in 32-bit Numerically Controlled Oscillator (NCO) for complex digital mixing, **inverse sinc filters** to compensate for the sinc roll-off inherent in DACs, and interpolation filters (2x, 4x, 8x) that allow the digital input data to be supplied at a lower rate, easing the processing load on the preceding FPGA or ASIC. Furthermore, the **on-board pattern ramper simplifies the automated gain control (AGC)** and power-leveling functions essential in wireless infrastructure.

Packaged in a 160-ball CSP_BGA (Wafer Level Chip Scale Package Ball Grid Array), the AD9787BSVZRL is designed for compact, high-density PCB layouts. Its operation is optimized over a wide **1.8 V and 3.3 V supply range**, balancing performance with power efficiency. Comprehensive power-down modes are available to conserve energy in portable or battery-operated systems.

**ICGOOODFIND**: The AD9787BSVZRL is a technological marvel, integrating a ultra-high-speed 16-bit DAC core with a suite of digital signal processing features and a clocking solution on a single chip. Its blend of raw performance, system-level integration, and design flexibility makes it an indispensable component for engineers pushing the boundaries of wireless and broadband system design.

**Keywords**: High-Speed DAC, 16-Bit Resolution, 2 GSPS, LVDS Interface, Integrated PLL