MAX40080ANC+

Instrumentation, Op Amps, Buffer Amps Overview

The MAX40080ANC+ is a high-precision, bi-directional digital current-sense amplifier featuring an integrated analog-to-digital converter. It provides a wide input common-mode range from -0.1V to 36V and supports ground sensing. The device includes a programmable sample rate up to 1Msps with 12-bit resolution plus a sign bit. Key electrical characteristics include a typical input offset voltage of 5µV, a gain error of 0.2%, and a supply voltage range of 1.71V to 1.98V. It operates over an extended temperature range of -40°C to +125°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Integrates a 12-bit ADC with programmable sampling rates for direct digital output via I2C/SMBus interface.
• Features ultra-low input offset voltage and low gain error to enable the use of small sense resistors without compromising accuracy.
• Supports bidirectional current sensing and common-mode voltage monitoring within a wide operating range.
• Includes power-saving modes such as auto-shutdown when the I2C bus is inactive and configurable wake-up current thresholds.

Instrumentation, Op Amps, Buffer Amps Applications

• Server backplanes
• Base-station PA control
• Telecom equipment
• Battery-operated devices
• Industrial control and automation

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific package variant (WLP or TDFN) required for your design, as the base part number may correspond to different physical footprints. Confirm RoHS compliance status through official manufacturer documentation. Ensure the selected component matches the exact ordering suffix to guarantee correct pinout and thermal performance specifications.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component for applications requiring precise digital current measurement in high-voltage environments. The wide common-mode range allows flexibility in circuit topology. Consider the available power modes if battery life is a critical constraint. Verify that the host system supports the necessary I2C communication speeds and protocols for optimal data throughput.

Instrumentation, Op Amps, Buffer Amps Part Context

This device belongs to the MAX40080 family of precision digital current-sense amplifiers manufactured by Analog Devices/Maxim Integrated. The family is designed to replace traditional analog current-sensing solutions by integrating signal conditioning and digitization on a single chip. This integration reduces board space and simplifies system architecture by eliminating external ADCs.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Consult official cross-reference lists for verified substitutes. Ensure any replacement maintains compatibility with the I2C protocol and meets the required common-mode voltage and precision specifications.