AD7625BCPZ: A 16-Bit, 10 MSPS PulSAR® ADC for High-Performance Data Acquisition Systems

Release date:2025-09-09 Number of clicks:83

**AD7625BCPZ: A 16-Bit, 10 MSPS PulSAR® ADC for High-Performance Data Acquisition Systems**

In the realm of high-performance data acquisition (DAQ) systems, the resolution and speed of the analog-to-digital converter (ADC) are paramount. The **AD7625BCPZ from Analog Devices** stands as a premier solution, engineered to meet the stringent demands of applications such as precision instrumentation, medical imaging, spectrum analysis, and advanced communications systems. This 16-bit, 10 MSPS successive approximation register (SAR) ADC leverages the proprietary **PulSAR® architecture** to deliver exceptional performance, combining high accuracy with remarkable speed.

At the core of the AD7625BCPZ is its **16-bit resolution**, ensuring fine granularity and precise digital representation of analog signals. This high resolution is critical for systems where detecting minute signal changes is essential. Coupled with a **10 MSPS sampling rate**, the ADC can accurately capture fast-transient signals, making it suitable for dynamic and wide bandwidth applications. The device guarantees outstanding linearity, featuring **typical differential non-linearity (DNL) of ±0.3 LSB and integral non-linearity (INL) of ±0.5 LSB**, which minimizes distortion and preserves signal integrity.

The **PulSAR® architecture** is a key differentiator, providing a deterministic latency and a simple, pipeline-free operation. Unlike delta-sigma (ΔΣ) ADCs that require complex filtering or pipeline ADCs that have variable latency, the SAR architecture offers a **single-cycle conversion with no cycle delay**. This makes the AD7625BCPZ exceptionally responsive, ideal for control loops and multiplexed systems where timing is critical.

Designed for ease of integration, the ADC includes a high-performance, low-noise sampler and an internal reference buffer. It supports a wide **2.5 V internal reference voltage**, which can also be overdriven by an external reference for greater flexibility. The digital interface is compatible with both 3 V and 5 V logic families, simplifying connections to FPGAs, ASICs, or microcontrollers. The device operates from a single 2.5 V supply, with a separate digital output driver supply (VDRIVE) for enhanced noise immunity.

Furthermore, the AD7625BCPZ is offered in a compact **32-lead LFCSP (Lead Frame Chip Scale Package)**, which is advantageous for space-constrained designs while providing excellent thermal performance. Its robust design ensures reliable operation in challenging environments.

**ICGOO FIND**: The AD7625BCPZ is a top-tier 16-bit ADC that masterfully balances high speed and precision. Its PulSAR® architecture delivers fast, deterministic performance, making it an **ideal cornerstone for high-accuracy data acquisition systems** across medical, industrial, and communications fields.

**Keywords**: 16-Bit ADC, 10 MSPS, PulSAR® Architecture, High-Performance Data Acquisition, Differential Non-Linearity (DNL)

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