NCS7031DM1G020R2G

Instrumentation, Op Amps, Buffer Amps Overview

The NCS7031DM1G020R2G is a high-voltage current sense amplifier from onsemi, featuring a fixed gain of 20 V/V. It operates with a supply voltage range of 3 V to 5.5 V and supports a common-mode input voltage range from -6 V to 80 V. The device offers a bandwidth of 100 kHz and maintains a maximum gain error of ±0.3% over the temperature range of -40°C to 125°C. It is housed in a Micro8 package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Provides unidirectional current measurement capabilities for monitoring load currents flowing in a single direction.
• Features internal preamplifier and buffer stages with accessible A1 and A2 pins for implementing external filtering or modifying gain.
• Supports both low-side and high-side sensing configurations while maintaining true differential input rejection.

Instrumentation, Op Amps, Buffer Amps Applications

• Telecom equipment power monitoring
• Power supply designs
• Diesel injection control systems
• Automotive applications
• Motor control circuits

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify that the specific ordering suffix matches the required gain configuration and package type. Confirm that the component meets the necessary environmental standards for the intended operating temperature range. Ensure compatibility with the system's supply voltage constraints before integration into the design.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this part when a fixed gain of 20 V/V is required for high-voltage current sensing applications. Consider the Micro8 package size if space constraints are critical. Evaluate the need for external filtering via the A1 and A2 pins based on the noise environment of the target application.

Instrumentation, Op Amps, Buffer Amps Part Context

This component belongs to the NCS703x series of current sense amplifiers designed for high common-mode voltage environments. The series includes variants with different gains and packages, such as the NCS7030 with a gain of 14 V/V. Automotive qualified versions are available under the NCV prefix for enhanced reliability requirements.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

NCS7031D1G020R2G (SOIC-8 package variant)