**AD9696KR: A 16-Bit, 1 GSPS JESD204B ADC for High-Performance RF Signal Acquisition**

The relentless demand for higher bandwidth and resolution in applications like radar, wireless communications, and advanced test equipment pushes analog-to-digital converter (ADC) technology to its limits. Addressing this need, the **AD9696KR stands as a pinnacle of high-speed data conversion**, integrating a 16-bit, 1 GSPS sampling core with a JESD204B serial interface to deliver exceptional performance for the most challenging RF signal acquisition tasks.

At the heart of the AD9696KR is a core ADC capable of digitizing wideband analog signals with **truly exceptional dynamic performance and linearity**. Operating at sample rates up to 1 GSPS, it achieves a **wide input bandwidth exceeding 2.0 GHz**, making it ideal for direct RF sampling at intermediate frequencies (IF) common in modern software-defined radio (SDR) and 4G/5G base stations. This capability eliminates multiple down-conversion stages, simplifying system design, reducing component count, and improving overall reliability. Key specifications such as **outstanding SFDR (Spurious-Free Dynamic Range) and SNR (Signal-to-Noise Ratio)** ensure that even small signals are captured accurately in the presence of large interferers, which is critical for spectral analysis and advanced digital signal processing (DSP).

A defining feature of the AD9696KR is its integrated **JESD204B Subclass 1 serial interface**. This high-speed serial protocol is a significant advancement over older parallel LVDS interfaces. It utilizes just a few high-speed serial lanes to transmit data, synchronization signals, and clocking information, drastically reducing the number of interconnects between the ADC and the FPGA or ASIC (e.g., a Xilinx or Intel device). This reduction in PCB complexity simplifies layout, minimizes potential sources of noise, and lowers overall system cost and power consumption. The JESD204B interface in the AD9696KR supports lane rates up to 16 Gbps, ensuring robust and error-free data transmission. Its deterministic latency is crucial for multi-channel systems like phased-array radars and MIMO (Multiple-Input, Multiple-Output) systems, where precise time alignment across numerous ADC channels is paramount.

Beyond the core converter, the AD9696KR is engineered for system-level integration and flexibility. It includes programmable **on-chip digital signal processing blocks**, such as decimation filters and numerical-controlled oscillators (NCOs) for digital down-conversion (DDC). These features allow designers to optimize the data stream before it reaches the FPGA, offloading processing tasks and further reducing system power and complexity. The device also features a flexible clocking architecture with an integrated sample-and-hold circuit to maintain performance at the highest input frequencies.

**ICGOOODFIND**: The AD9696KR is a comprehensive solution that sets a new benchmark for high-performance RF data acquisition. By combining a high-resolution 1 GSPS core with the system-level advantages of the JESD204B interface and integrated digital features, it empowers designers to create next-generation systems with improved performance, reduced size, and lower power consumption.

**Keywords**:

* **JESD204B Interface**

* **RF Signal Acquisition**

* **16-Bit Resolution**

* **1 GSPS Sampling Rate**

* **High Dynamic Performance**