AD8222HBCPZ-WP

Instrumentation, Op Amps, Buffer Amps Overview

The AD8222HBCPZ-WP is a dual-channel precision instrumentation amplifier from Analog Devices. It features a gain range of 1 to 10,000 set by one resistor per channel. Key specifications include a maximum input offset voltage of 60 µV and a minimum CMRR of 126 dB at G=100. The device operates on supply voltages from ±2.3 V to ±18 V with a quiescent current of 1.1 mA per amplifier. It provides a bandwidth of 140 kHz at G=100 and utilizes a 16-lead LFCSP package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Dual-channel architecture in a compact 4 mm × 4 mm LFCSP package
• High accuracy DC performance with low input offset voltage and drift
• Configurable as single-channel differential output for noise immunity
• Adjustable common-mode output via reference terminals

Instrumentation, Op Amps, Buffer Amps Applications

• Multichannel data acquisition systems
• ECG and medical instrumentation
• Industrial process controls
• Wheatstone bridge sensor interfaces
• Remote sensors requiring high noise immunity

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix 'WP' against official documentation to confirm packaging or environmental compliance details. Confirm availability status through authorized distributors as supply conditions may vary. Ensure the selected variant matches the required thermal pad configuration if applicable.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component for applications requiring high channel density without compromising precision. The dual-channel design reduces board space compared to single-channel alternatives. Consider the B grade specifications for tighter offset and CMRR tolerances. Evaluate the need for differential outputs to drive ADCs or long cables.

Instrumentation, Op Amps, Buffer Amps Part Context

The AD8222 series includes single (AD8221), dual (AD8222), quad (AD8224), and zero-drift variants. This part belongs to the general-purpose precision instrumentation amplifier category. It shares architectural similarities with other ADI in-amps but offers distinct dual-channel integration in a small footprint.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

The AD8221 serves as the single-channel equivalent. For higher precision requirements, consider the AD8231 zero-drift amplifier. Verify pin compatibility and electrical parameters when substituting with other dual-channel instrumentation amplifiers.