**AD820BRZ-REEL7: A Precision, Single-Supply Difference Amplifier IC**

In the realm of analog signal conditioning, extracting small differential signals buried within large common-mode voltages is a fundamental challenge. The **AD820BRZ-REEL7** from Analog Devices stands as a premier solution, engineered to deliver high accuracy and reliability in demanding environments. This integrated circuit is a monolithic difference amplifier that excels in applications ranging from industrial instrumentation to automotive systems, where robust performance and precision are non-negotiable.

A key advantage of the AD820BRZ-REEL7 is its ability to operate effectively on a **single supply voltage as low as +3.0V**, while also supporting dual supplies up to ±18V. This flexibility makes it exceptionally suitable for modern, low-voltage, battery-powered equipment without sacrificing performance. Its architecture is designed to reject high common-mode voltages (up to **±200V**), ensuring that the amplified output accurately reflects only the differential input signal. This feature is critical in environments with significant electrical noise, such as motor control circuits or current-shunt monitoring systems.

The device boasts an impressive combination of low offset voltage (typically 50 µV) and low drift, which are paramount for maintaining precision over a wide temperature range (-40°C to +125°C). Furthermore, its **low power consumption** (under 1 mA of quiescent current) aligns with the needs of power-sensitive designs. The internal gain is set to a fixed value of 50, providing a stable and predictable amplification factor without requiring external precision resistors, which simplifies design and enhances overall system reliability.

Housed in an 8-lead SOIC package, the AD820BRZ-REEL7 is offered in a tape-and-reel format (denoted by the -REEL7 suffix), which is optimized for automated assembly processes in high-volume manufacturing. This packaging choice underscores its intended use in commercial and industrial production lines.

**ICGOODFIND**: The AD820BRZ-REEL7 is an outstanding choice for designers seeking a high-performance, single-supply difference amplifier. Its exceptional common-mode rejection, low power operation, and robust design make it a versatile and reliable component for precision signal processing tasks across diverse industries.

**Keywords**: Difference Amplifier, Single-Supply Operation, High Common-Mode Rejection, Low Power Consumption, Precision Instrumentation.