AD620ANZ

The AD620ANZ is a low-power, high-precision instrumentation amplifier offered by Analog Devices Inc. (ADI). This device is designed to provide high gain and low noise amplification of differential signals, making it ideal for a wide range of applications including precision measurement, sensor interfaces, medical instrumentation, and industrial control systems.

Key Features:

• Low Power Consumption:
  • The AD620ANZ operates with a maximum power supply current of 1.3 mA, making it suitable for battery-powered portable devices and low-power applications.
• High Gain and Low Noise:
  • The gain of the AD620ANZ can be set from 1 to 10,000 using a single external resistor, providing flexibility in signal amplification.
  • The device features low input voltage noise of 9 nV/√Hz and low input current noise of 0.1 pA/√Hz, ensuring high signal-to-noise ratio in amplified signals.
• High Precision:
  • The AD620ANZ exhibits low input offset voltage of 30 µV and low offset drift of 0.6 µV/°C, contributing to its high precision in signal measurement.
• High Input Impedance:
  • With an input impedance of 10 MΩ or higher, the AD620ANZ can accurately amplify signals from sources with high output impedance, such as sensors.
• Excellent Common-Mode Rejection:
  • The device offers a common-mode rejection ratio (CMRR) of 100 dB or higher, effectively rejecting common-mode noise and interference.
• Wide Bandwidth:
  • The AD620ANZ has a bandwidth of 1 MHz, making it suitable for amplifying signals in a wide range of frequencies.
• Package Options:
  • Available in an 8-pin PDIP package, the AD620ANZ offers convenient PCB mounting and assembly.

Applications:

• Precision measurement systems
• Sensor interfaces for temperature, pressure, and other physical parameters
• Medical instrumentation for ECG, EEG, and other bio-signal amplification
• Industrial control systems for process monitoring and control

Summary:

The AD620ANZ is a versatile instrumentation amplifier that combines low power consumption, high gain, low noise, and high precision in a single package. Its wide common-mode rejection and high input impedance make it ideal for amplifying differential signals in the presence of noise and interference. Suitable for a range of applications, the AD620ANZ is a reliable and cost-effective solution for signal amplification in precision measurement and control systems.