AD823AARZ Dual Rail-to-Rail FET Input Amplifier

The AD823AARZ from Analog Devices Inc. is a state-of-the-art dual operational amplifier that combines FET inputs and rail-to-rail output swing. This high-performance amplifier is designed for a wide range of applications, including battery-powered precision instrumentation, medical equipment, and audio systems, where low power consumption and high input impedance are essential.

Key Features

• FET Input: The FET (Field Effect Transistor) input provides ultra-low input bias currents, making it ideal for high impedance sensor amplification and precise current measurements.
• Rail-to-Rail Output: The amplifier can swing its output voltage from the negative power supply rail to the positive rail, maximizing the dynamic range in single-supply operations.
• Wide Supply Range: AD823AARZ operates with a supply voltage range from 2.7 V to 36 V, or ±2.7 V to ±18 V for dual supplies, accommodating a variety of power environments.
• Low Power Consumption: With a quiescent current of just 3.3 mA per amplifier, the AD823AARZ is optimized for low power applications, preserving battery life in portable devices.
• High Speed: A slew rate of 20 V/μs and a bandwidth of 16 MHz at a gain of +1 make this amplifier suitable for fast signal processing tasks.

Applications

• Portable and battery-powered instruments
• Medical instrumentation
• Audio and video signal processing
• Data acquisition systems
• Active filters
• Photodiode amplification

Product Specifications

The AD823AARZ comes in an 8-lead SOIC package and is specified over the extended industrial temperature range of -40°C to +125°C. Its dual-channel design allows for compact and efficient layouts in multi-channel systems. The amplifier's low distortion and noise characteristics ensure clean and accurate signal amplification, making it a reliable choice for precision applications.

With its combination of features and performance, the AD823AARZ from Analog Devices Inc. stands out as a versatile and efficient solution for designers looking to optimize their analog circuitry in both power and space-constrained applications.