ADA4622-1BRZ

Overview

The ADA4622-1BRZ is a single-channel, precision JFET input operational amplifier manufactured by Analog Devices Inc. It operates within a supply voltage range of 5 V to 30 V and supports an extended industrial temperature range from -40°C to +125°C. Key electrical specifications include a typical gain bandwidth product of 8 MHz, a low-to-high slew rate of 23 V/µs, and a maximum B-grade offset voltage of ±0.35 mV at 25°C. The device features rail-to-rail output capability, low input bias current (±10 pA max), and high electromagnetic interference rejection ratio (90 dB).

Feature Summary

• Next-generation upgrade to the AD820 series with improved DC precision and reduced noise.
• Rail-to-rail output swing with input voltage range including the negative supply rail.
• High electromagnetic interference rejection ratio for robust signal integrity in noisy environments.
• Low input bias current characteristic suitable for high-impedance sensor interfaces.

Applications

• High output impedance sensor interfaces
• Photodiode sensor interfaces
• Transimpedance amplifiers
• ADC drivers
• Precision filters and signal conditioning

Procurement Notes

Verify the specific grade suffix 'B' corresponds to the required offset voltage and drift specifications for your application. Confirm that the 8-lead SOIC_N package dimensions match your PCB footprint requirements. Ensure the operating environment stays within the specified -40°C to +125°C temperature range to maintain guaranteed performance parameters.

Selection Notes

Select this component when upgrading from legacy AD820 designs without compromising flexibility. It is suitable for applications requiring single-supply operation with rail-to-rail output. Consider the B-grade specification if tighter offset voltage and drift tolerances are necessary compared to the A-grade variant.

Part Context

The ADA4622-1BRZ belongs to the ADA4622 family, which includes single, dual, and quad channel variants. It serves as the successor to the AD820, offering enhanced speed, lower noise, and better DC precision while maintaining industry-standard pinouts and packages for easy design-in.

Replacement Considerations

ADA4622-1ARZ

FAQ

Does the input voltage range include the negative supply rail?

Yes, the input voltage range includes the negative supply rail (V−).

What is the typical electromagnetic interference rejection ratio?

The typical EMIRR is 90 dB at both 1000 MHz and 2400 MHz.