ADA4610-1ARJZ-R2

Overview

The ADA4610-1ARJZ-R2 is a single-channel precision JFET operational amplifier manufactured by Analog Devices Inc. It features rail-to-rail output, low offset voltage (B grade: max 0.4 mV), and low input bias current (typical 5 pA). The device operates on dual supplies from ±5 V to ±15 V with a supply current of 1.6 mA per amplifier. Key dynamic parameters include a gain bandwidth product of 16.3 MHz, a slew rate of 61 V/µs, and a voltage noise density of 7.3 nV/√Hz at 1 kHz. It is housed in a 5-lead SOT-23 package and functions over an extended temperature range of -40°C to +125°C.

Feature Summary

• Rail-to-rail output capability ensures maximum dynamic range.
• Low input bias current minimizes errors in high-impedance circuits.
• No phase reversal occurs when input voltages exceed the common-mode range.
• Maintains fast settling performance with substantial capacitive loads.

Applications

• Medical instruments
• Photodiode amplifiers
• Precision current measurement
• Multipole filters

Procurement Notes

Verify the specific B-grade offset voltage specifications against the official datasheet for your required accuracy level. Confirm that the 5-lead SOT-23 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 electrical characteristics.

Selection Notes

Select this component for applications requiring high precision combined with low noise and high input impedance. The JFET input stage is suitable for sensor interfaces where bias current must be minimized. Consider the rail-to-rail output if signal swing near the supply rails is necessary. Verify that the 16.3 MHz bandwidth meets the system's frequency response needs.

Part Context

This part belongs to the ADA4610 series of low noise, precision, rail-to-rail output JFET op amps. The series includes single (ADA4610-1), dual (ADA4610-2), and quad (ADA4610-4) variants. The ARJZ suffix indicates the single-channel version in a 5-lead SOT-23 package. The R2 suffix typically denotes tape and reel packaging for automated assembly.

Replacement Considerations

The AD820 is listed as a related precision JFET operational amplifier in the manufacturer's documentation. Designers should verify pin compatibility and electrical parameter alignment before substitution.