ADUM3195BRQZ

Overview

The ADUM3195BRQZ is an isolated amplifier based on iCoupler technology, featuring adjustable gain and single-ended output. It operates with supply voltages VDD1 and VDD2 ranging from 4.5 V to 5.5 V. The device provides a bandwidth of 210 kHz and supports an isolation voltage of 3000 V rms. It includes two high-accuracy 2.5 V reference outputs and is qualified for automotive applications under AEC-Q100 standards.

Feature Summary

• High-impedance input suitable for isolated voltage measurement
• Low offset error and drift ensuring stable transfer functions over lifetime
• Integrated wideband operational amplifiers for various applications
• Two high-accuracy 2.5 V reference outputs included

Applications

• Inverters
• DC to DC converters
• On-board chargers

Procurement Notes

Verify the specific ordering suffix 'BRQZ' corresponds to the commercial grade variant in the Analog Devices Ordering Guide. Confirm that the package description matches the 16-Lead QSOP (RQ-16) option. Ensure compliance with RoHS requirements indicated by the 'Z' suffix. Cross-reference the temperature range specifications against system environmental constraints before finalizing procurement.

Selection Notes

Select this component when low offset and gain errors are critical for isolated voltage sensing. The iCoupler technology eliminates the current transfer ratio uncertainty associated with optocouplers. Verify that the required isolation voltage rating meets the 3000 V rms specification. Consider the 210 kHz bandwidth for dynamic signal requirements and ensure the operating temperature range aligns with the -40°C to +125°C ambient limits.

Part Context

The ADUM3195 series utilizes coreless transformer technology to provide galvanic isolation without magnetic components. This architecture ensures consistent performance across the specified temperature range. The BRQZ designation identifies the standard commercial version packaged in a 16-lead shrink small outline package. It serves as a robust alternative to traditional optocoupler-based solutions in precision analog applications.

Replacement Considerations

The ADUM3195BRQZ-RL7 is the reel-packaged equivalent of the tube-packed ADUM3195BRQZ. Both share identical electrical characteristics and pinouts. Designers requiring tape-and-reel packaging for automated assembly should select the RL7 suffix variant while maintaining all other functional parameters.