**ADA4661-2ACPZ-R7: A Precision 5V CMOS Operational Amplifier for High-Voltage Industrial and Automotive Applications**

The demand for robust, high-precision analog components continues to grow, particularly in environments where reliability under stringent conditions is paramount. The **ADA4661-2ACPZ-R7** from Analog Devices stands out as a premier solution, engineered specifically to meet the challenges of high-voltage industrial and automotive applications. This dual-channel, 5V CMOS operational amplifier combines precision performance with ruggedness, making it an ideal choice for modern system designs.

At the core of the ADA4661-2's appeal is its **exceptional DC precision**, characterized by a very low input offset voltage of just 200 µV (maximum). This is critical for applications such as sensor interface, current sensing, and data acquisition systems where minute signal errors can lead to significant measurement inaccuracies. The amplifier operates on a single 2.2V to 5.5V supply, with a design optimized for the common 5V rail, simplifying power architecture in complex systems.

A key strength of this op-amp is its **robustness in high-voltage and noisy environments**. It features an integrated EMI filter and is designed to be immune to RF signals, which is essential for automotive systems where electronic interference is prevalent. Furthermore, its **wide temperature range of -40°C to +125°C** ensures stable operation across the entire spectrum of industrial and automotive conditions, from factory floors to under-the-hood applications.

The device is built on a CMOS process, which provides the benefit of **very low input bias current (1 pA typical)**, minimizing errors in applications involving high-impedance sources. This, combined with a low quiescent current of 500 µA per amplifier, makes it suitable for power-sensitive designs without compromising on speed or bandwidth, which is a notable 10 MHz.

Housed in a compact **8-lead LFCSP package**, the ADA4661-2ACPZ-R7 offers a small footprint for space-constrained PCB layouts. Its integrated dual channels provide design flexibility and reduce component count, enhancing overall system reliability.

**ICGOOODFIND Summary**: The ADA4661-2ACPZ-R7 is a high-performance, precision CMOS op-amp that delivers outstanding DC accuracy, EMI robustness, and wide temperature operation, making it a superior choice for demanding industrial and automotive design engineers.

**Keywords**: Precision Operational Amplifier, CMOS Op-Amp, Automotive-Grade IC, High-Voltage Tolerance, Low Offset Voltage.