AD823ARZ

The AD823ARZ is a low-power, precision instrumentation amplifier from Analog Devices, designed for amplifying small differential signals in the presence of large common-mode voltages. It is widely used in applications requiring high accuracy and stability. Here are its key features:

Key Features

• Type: Precision Instrumentation Amplifier
• Supply Voltage: Operates from a single supply of 3V to 36V or dual supplies of ±1.5V to ±18V, providing flexibility in power options
• Input Offset Voltage: Low input offset voltage of 800µV (maximum), ensuring high precision in signal amplification
• Gain Range: Adjustable gain from 1 to 1000 through external resistors, allowing for customization based on application needs
• Bandwidth: 800 kHz, providing wide bandwidth for a variety of signal frequencies
• Low Power Consumption: Designed for low power consumption, making it ideal for battery-powered and portable devices
• Package Type: Available in an 8-pin SOIC (Small Outline Integrated Circuit) package for easy integration

Performance

• High Common-Mode Rejection Ratio (CMRR): Greater than 80 dB, ensuring that common-mode signals are effectively rejected, allowing accurate differential signal amplification
• Low Input Bias Current: Low input bias current of 1nA, minimizing errors due to input currents
• Temperature Range: Operates over a wide temperature range of -40°C to +85°C, suitable for harsh environmental conditions

Features and Benefits

• High Accuracy: Precision amplification of small signals with low offset and drift, ideal for sensitive measurement applications
• Flexible Power Supply: Supports both single and dual supply configurations, making it versatile for various designs
• Compact Design: The small SOIC package allows for easy integration into space-constrained circuits

Applications

• Medical Instrumentation: Used in ECG, EEG, and other biopotential measurement systems
• Sensor Interface: Ideal for amplifying signals from pressure sensors, strain gauges, and other transducers
• Data Acquisition Systems: Provides accurate signal amplification in data acquisition and measurement systems
• Portable Devices: Suitable for use in battery-powered instruments requiring low power consumption

The AD823ARZ is a versatile and precise instrumentation amplifier, making it an excellent choice for applications requiring high accuracy, low power consumption, and reliable performance across a range of operating conditions.