MAX4376TASA+

Instrumentation, Op Amps, Buffer Amps Overview

The MAX4376TASA+ is a single-channel high-side current-sense amplifier from the MAX4376 series, manufactured by Analog Devices Inc./Maxim Integrated. It features an internal fixed voltage gain of +20 V/V and operates within a supply voltage range of +3V to +28V. The device supports a common-mode input range of 0V to +28V, independent of the supply voltage. It provides a buffered voltage output capable of driving up to 2mA into a ground-referenced load. Key electrical specifications include a bandwidth of 2MHz at +20V/V gain, a typical supply current of 1mA per amplifier, and a full-scale accuracy of ±0.5% at +25°C. The component is housed in an 8-pin SOIC package and is rated for operation over the automotive temperature range of -40°C to +125°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• High-side current monitoring with a 0V to +28V common-mode input range that remains functional even during deep battery discharge conditions.
• Integrated buffered voltage output eliminates the need for external gain-setting resistors while providing sufficient drive capability for downstream components.
• Fixed internal gain options allow for simplified system design and compact current-sensing solutions without sacrificing measurement flexibility.

Instrumentation, Op Amps, Buffer Amps Applications

• Notebook computers
• Cell phones
• Battery chargers
• Fuel gauges in PCs
• Automotive current detect

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type, temperature grade, and lead-free status. Confirm availability through authorized distributors as supply status may vary. Ensure the selected variant matches the required gain configuration and channel count for the intended application design.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this part when a single-channel high-side sensing solution with a +20 V/V gain is required. Consider the 8-pin SOIC package constraints and the -40°C to +125°C operating range. Evaluate if the 2MHz bandwidth and 1mA supply current align with system power and speed requirements compared to other gain variants or channel counts in the family.

Instrumentation, Op Amps, Buffer Amps Part Context

This component belongs to the MAX4376/MAX4377/MAX4378 family of precision high-side current-sense amplifiers. The MAX4376 specifically denotes the single-channel version, while the 'T' suffix indicates the +20 V/V gain option. The 'SA' suffix corresponds to the 8-pin SOIC package. This family is designed for space-saving applications requiring accurate current monitoring in portable and automotive systems.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Direct replacements within the same family include MAX4376FASA+ (Gain +50 V/V) and MAX4376HASA+ (Gain +100 V/V). Verify that the alternative gain factor meets the system's full-scale output voltage requirements before substitution.

Instrumentation, Op Amps, Buffer Amps FAQ

What is the input common-mode voltage range of the MAX4376TASA+?

The input common-mode range is 0V to +28V, which is independent of the supply voltage.

Does the MAX4376TASA+ require external resistors for setting gain?

No, the device features an internal fixed gain of +20 V/V and provides a buffered voltage output, eliminating the need for external gain-setting resistors.

What is the maximum output drive current capability?

The buffered outputs can drive up to 2mA of output current into a ground-referenced load.