LMV321M5/NOPB

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The LMV321M5/NOPB is a low power, single-supply, rail-to-rail input/output operation amplifier. It is suited for applications in which a single amp is required to provide both input and output functionality. This amplifier is designed especially for portable and battery-operated devices. It is capable of providing low noise, low quiescent current, and low distortion performance, as well as offering excellent response time and high speed capability.

Application Field

The LMV321M5/NOPB can be used in a wide range of applications, from portable instrumentation, to medical and industrial applications. It is well suitable for building data acquisition circuits, audio amplifiers, motor control systems and precision sensing applications. Some of the main applications of this amplifier include:

• Precision sensing and data acquisition
• Portable instrumentation
• Motor control systems
• Audio amplifiers
• Medical and industrial applications

Working Principle

The LMV321M5/NOPB operates on a single supply voltage from 5V to 15V, and is capable of providing full scale output voltage of up to 10V. Its total power consumption is also extremely low since it operates on 10-500μA of current consumption. It has an input voltage range of 0V to 3V, making it an ideal choice for low-power, low-voltage applications. The LMV321M5/NOPB offers excellent common-mode rejection ratio (CMRR) of over 100dB, a PSRR of 62dB, and an open-loop gain of 10,000. The amplifier also has excellent response time of 10ns, as well as low-offset voltage of 130uV and low-noise of 1.7mVpp.

The LMV321M5/NOPB is also a rail-to-rail input/output amplifier, which means it can accept the full range of the supply voltage from 0V to VCC and can drive the output voltage from 0V to within 0.3V of the supply voltage. This makes the amplifier well suited for use in battery-powered applications, as it can deliver full output voltage swings without the need for a dual supply voltage.

Conclusion

The LMV321M5/NOPB is an ideal choice for applications requiring low power and low voltage operation. This amplifier offers excellent performance in terms of its common-mode rejection ratio, PSRR, and response time, while providing low-noise and low-offset voltage. The amplifier is well suited for use in portable instrumentation, motor control systems, audio amplifiers, and many other applications that require either single-supply or battery-powered solutions.

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