LMV931MGX Application Field and Working Principle

Overview

The LMV931MGX is an ultra-low power, low voltage (1.8V) single-supply amplifier capable of operating at extremely low supply currents over the temperature range of -40°C to +85°C. This makes the LMV931MGX ideal for a wide variety of precision instrumentation applications, such as medical, industrial, automotive, and aerospace applications.

LMV931MGX Applications

The LMV931MGX is ideally suited for use in precision instrumentation applications, such as medical, industrial, automotive, and aerospace applications. The amplifier is capable of providing very low output power and low quiescent current (<10uA) over the temperature range of -40°C to +85°C. This makes the LMV931MGX ideal for applications such as medical imaging systems, industrial process control systems, automotive engine control systems and aerospace avionics.

LMV931MGX Working Principle

The LMV931MGX is a high-performance, low-voltage (1.8V) single-supply amplifier designed to operate over a wide temperature range. The amplifier uses a Transconductance Amplifier (TCA) topology, which allows it to achieve extremely low supply currents and low quiescent current (<10uA).The LMV931MGX has an input common-mode voltage range of 0.6V to VDD + 0.6V and an input offset voltage of 10µV typical. The amplifier can operate with two supply voltages, from +1.25V to +1.8V and from +2.2V to +2.7V, making it suitable for applications where multiple supply voltages may be needed. The LMV931MGX has a closed-loop gain of 54dB, with a dc gain of 10dB typically achieved with a 20kΩ resistor connected between pins 6 and 7. The output voltage capability is within 0.2V of VDD. The amplifier is stable when placed in a unity-feedback AC circuit, allowing it to be used in a variety of applications where high accuracy is required.

Conclusion

The LMV931MGX is an ultra-low power, low voltage (1.8V) single-supply amplifier, which makes it ideal for a variety of precision instrumentation applications. The amplifier features an input common-mode voltage range of 0.6V to VDD + 0.6V and an input offset voltage of 10µV typical. The LMV931MGX has a closed-loop gain of 54dB and a dc gain of 10dB typically achieved with a 20kΩ resistor connected between pins 6 and 7. The amplifier is stable when placed in a unity-feedback AC circuit, making it suitable for applications where high accuracy is required.