**The AD7823YR: A 35V to 5V, 8-Bit, 3µs Sampling A/D Converter**

In the realm of data acquisition and real-time signal processing, the ability to accurately and rapidly convert analog signals into digital data is paramount. The **AD7823YR from Analog Devices** stands as a robust solution engineered for such demanding applications. This integrated circuit is an **8-bit analog-to-digital converter (ADC)** that combines high voltage tolerance with impressive conversion speed, making it a versatile component across industrial, automotive, and instrumentation systems.

A defining characteristic of the AD7823YR is its **wide input voltage range, accommodating signals from 0V to 5V when using a 5V reference, yet tolerating absolute maximum voltages up to 35V**. This exceptional ruggedness provides a significant safety margin, protecting the device from voltage transients and spikes common in harsh electrical environments. This feature drastically reduces the need for complex external clamping or attenuation circuits, simplifying system design and enhancing overall reliability.

Performance is further highlighted by its **rapid conversion time of just 3 microseconds (µs)**. This high speed enables the ADC to effectively capture fast-changing signals, which is critical for applications like motor control, power management, and transient analysis. The device utilizes a half-flash (or subranging) architecture to achieve this speed, offering a solid compromise between the complexity of a full-flash converter and the slower speed of successive approximation register (SAR) types.

The AD7823YR operates on a single **5V power supply**, streamlining power management within digital systems. It features an on-chip track-and-hold amplifier, which acquires the input signal in less than 1µs, ensuring accuracy even for higher frequency inputs. The digital output is TTL and microprocessor compatible, allowing for **straightforward interfacing with standard logic families and controllers** without the need for additional level-shifting circuitry. Available in a compact 8-pin SOIC package, it also offers a space-efficient footprint for board design.

**ICGOOFind**: The AD7823YR is a highly resilient and fast ADC, distinguished by its **superior 35V fault protection** and **3µs conversion capability**. It is an optimal choice for designers seeking a durable, high-performance, and simple-to-interface solution for digitizing analog signals in challenging conditions.

**Keywords**: **High Voltage Tolerance**, **8-Bit Resolution**, **3µs Conversion Time**, **Single 5V Supply**, **Half-Flash Architecture**.