The OP747ARZ-REEL7: A Quad Precision Operational Amplifier for High-Accuracy Signal Conditioning

Release date:2025-09-04 Number of clicks:70

**The OP747ARZ-REEL7: A Quad Precision Operational Amplifier for High-Accuracy Signal Conditioning**

In the realm of analog electronics, the conditioning of low-level signals demands components that exhibit exceptional accuracy, stability, and minimal error. For applications ranging from precision instrumentation and medical devices to advanced data acquisition systems, the operational amplifier (op-amp) serves as a fundamental building block. The **OP747ARZ-REEL7** stands out as a premier solution, integrating four high-performance op-amps in a single package to address the challenges of high-accuracy signal conditioning.

This device is engineered to minimize the key parameters that typically introduce error into analog circuits. Its outstanding **low offset voltage** of 150 µV (max) and **ultra-low input bias current** of 12 nA (max) ensure that the amplified output is a faithful representation of the input signal, with minimal DC error. This is further complemented by low noise performance, which is critical for resolving small signals in the presence of inherent electronic interference.

A significant advantage of the OP747ARZ-REEL7 is its quad configuration. This design allows engineers to implement complex signal processing chains—such as multi-channel filters, instrumentation amplifiers, or precision differential configurations—within a compact footprint. This not only saves valuable board space but also enhances system reliability by reducing the number of discrete components and their associated interconnections. The device operates over a wide supply voltage range, accommodating both single-supply (5V to 30V) and dual-supply (±2.5V to ±15V) configurations, making it versatile for various industrial and commercial applications.

The integration of four amplifiers from a single production lot, guaranteed by the `-REEL7` tape and reel packaging, ensures **closely matched parameters across all channels**. This matching is paramount for applications like strain gauge bridges and thermocouple arrays, where channel-to-channel consistency is as important as absolute accuracy. Furthermore, its robust design provides excellent immunity to external noise and a high common-mode rejection ratio (CMRR), preserving signal integrity even in electrically noisy environments.

**ICGOOFind:** The OP747ARZ-REEL7 is a quintessential component for designers seeking to achieve the highest levels of signal fidelity. Its precision architecture, combined with the integration of four matched amplifiers, offers an unparalleled blend of performance, space efficiency, and design flexibility for the most demanding analog systems.

**Keywords:** Precision Operational Amplifier, Low Offset Voltage, Signal Conditioning, Quad Op-Amp, Low Input Bias Current.

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