AD8417BRMZ-RL

Instrumentation, Op Amps, Buffer Amps Overview

The AD8417BRMZ-RL is a bidirectional, zero-drift current sense amplifier from Analog Devices. It features an initial gain of 60 V/V with a maximum gain error of ±0.3% over the temperature range. The device operates on a single supply voltage between 2.7 V and 5.5 V, consuming 4.1 mA of quiescent current. It supports a continuous common-mode input voltage range from −2 V to +70 V, with survival up to −3 V to +80 V. The amplifier provides a small-signal bandwidth of 250 kHz and a slew rate of 1 V/µs. It includes integrated EMI filters and is qualified for automotive applications.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Zero drift architecture ensures typical offset drift of 0.1 µV/°C across the operating temperature range.
• Patented circuitry enables accurate output performance when subjected to PWM type input common-mode voltages.
• Integrated electromagnetic interference (EMI) filters are included to enhance signal integrity.
• Bidirectional operation capability allows for precise current measurements in both directions.

Instrumentation, Op Amps, Buffer Amps Applications

• Motor controls
• Solenoid controls
• Power management
• Low-side current sensing
• Diagnostic protection

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix -RL indicates tape and reel packaging for automated assembly. Confirm the BRMZ variant corresponds to the 8-lead MSOP package and the specified temperature range. Ensure compatibility with automotive AEC-Q100 requirements if applicable to the end system design.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component for high-voltage applications requiring bidirectional current measurement. The zero-drift core minimizes measurement errors caused by temperature variations. The wide common-mode range accommodates high-side sensing configurations without external level shifting.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the AD8417 family of high-resolution current shunt amplifiers. It is designed for automotive and industrial environments where robustness against high common-mode voltages and electromagnetic interference is critical. The device integrates precision amplification with diagnostic capabilities.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

AD8417BRMZ is the non-reel equivalent offering identical electrical specifications and pinout configuration.

Instrumentation, Op Amps, Buffer Amps FAQ

How does the AD8417 handle PWM input common-mode voltages?

The device utilizes patented technology to eliminate negative effects from fast-changing common-mode variations, such as those found in PWM signals, ensuring output accuracy.

What is the purpose of the NC pins in the 10-lead MSOP option?

The NC pins isolate sensitive input voltages from adjacent pins to prevent unrecoverable faults due to PCB defects, meeting stringent automotive FMEA requirements.