ADA4622-1ARJZ-RL

Overview

The ADA4622-1ARJZ-RL is a single-channel, precision JFET input operational amplifier from Analog Devices. It operates on a supply voltage range of 5 V to 30 V and features rail-to-rail output capability. Key electrical specifications include an 8 MHz gain bandwidth product, a typical slew rate of 23 V/µs, and a maximum input bias current of ±10 pA at 25°C. The device offers low offset voltage drift (±1 µV/°C for B grade) and high electromagnetic interference rejection ratio (EMIRR). It is housed in a compact SOT-23-5 package.

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 (EMIRR) for robust signal integrity
• Low input bias current 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 that the ordering suffix 'R2' corresponds to the specific reel packaging configuration required for your assembly line. Confirm the component grade (A or B) matches your offset voltage and drift requirements. Ensure the SOT-23-5 footprint aligns with your PCB design guidelines. Cross-reference the datasheet revision F specifications against your system's operating temperature and supply voltage constraints.

Selection Notes

Select this component when a single-channel, low-power, precision amplifier with rail-to-rail output is needed. It serves as a direct pin-compatible replacement for the AD820 in many designs. Consider the B grade if tighter offset voltage drift specifications are critical for your application. The SOT-23-5 package is ideal for space-constrained portable or handheld devices.

Part Context

The ADA4622-1ARJZ-RL belongs to the ADA4622 family, which includes single, dual, and quad channel variants. This specific part is the single-channel version designed for applications requiring minimal board space. It shares the same core architecture and performance characteristics as the ADA4622-2 and ADA4622-4, differing primarily in the number of integrated amplifiers and package options.

Replacement Considerations

ADA4622-1ARJZ-R7

FAQ

Does the input voltage range include the negative supply rail?

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

What is the typical EMIRR specification?

The typical Electromagnetic Interference Rejection Ratio (EMIRR) is 90 dB at both 1000 MHz and 2400 MHz.

Is there a shutdown feature available?

Yes, the ADA4622-1 includes a Disable input (active low) for shutdown operation, reducing supply current significantly.