LMV358Q3MAX/NOPB

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LMV358Q3MAX/NOPB Application Field and Working Principle

Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

The LMV358Q3MAX is a wide temperature range of dual low voltage operational amplifiers family. One of the member of LMV358Q3MAX is NMOS input single supply rail to rail output operation amplifier (OPAMP). It is ideal for industrial and consumer applications. When the user desires low power consumption, high voltage precision or rail to rail bipolar output, then the LMV358Q3MAX is the family which is the best suitable for applications like active filters, signal conditioners, signal level shifting, and gain setting.

The main application field of LMV358Q3MAX is signal gain, signal filtering, signal amplification, and offset control. Thanks to the wide supply voltage range, low-cost dual inputs, and small size, LMV358Q3MAX is suitable for multiple industrial applications such as high-frequency signal processing and signal conversion as well as low-cost robotic systems and remote sensing systems.

Most of the applications of LMV358Q3MAX are input dependent such as temperature, pressure, or output frequency. These features of the LMV358Q3MAX includes the full-frequency response, excellent gain accuracy, high over-temperature gain stability, low-voltage operation, and low power consumption.

The key features of the operational amplifiers LMV358Q3MAX includes fast settling time in low voltage, rail to rail bipolar output, low-cost dual input. The common mode voltage range of LMV358Q3MAX is 2.45V to 10V and the dual input range is 400mV~ 35V. The power supply voltage( PSRR) of LMV358Q3MAX is from 60V to 250V. The gain of the amplifier depends on the manufacturer. The power consumption for one LMV358Q3MAX between 4.5 H and 70 mA , usually at 45mA when the temperature is 25°C. The power dissipation for LMV358Q3MAX is typically 1.2W which depends on the manufacturer.

The working principle of LMV358Q3MAX is based on the open-loop configuration of a dual-phased incremental OPAMP, where two negative feedback loops are used to control the gain. The input signal passes through one of the input stages and the second input stage provides the offset adjustment. The output signal is then processed by the gain stage and the negative feedback loop in order to provide the desired closed-loop gain. The operating temperature range of LMV358Q3MAX is from -40°C to +85°C and the supply voltage range can is from 1.8V to 12V.

The process of eliminating the offsets and non-linearities of LMV358Q3MAX is known as offset correcting circuitry. The offset correction circuitry is important for the accuracy of the signal transfer because it allows the signal to pass through the input stages without any distortion or losses.

Due to their small size and low power consumption, LMV358Q3MAX is suitable for many applications in areas such as signal conditioning, signal conversions, instrumentation, and medical and industrial sensor interfaces, active filters, automatic gain control, as well as high-frequency signal processing.

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