LMV824DG4

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The LMV824DG4 is a quad low-voltage, rail-to-rail output CMOS operational amplifier. It is classified as a Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps, primarily due to its application in auto-zero amplifiers and signal conditioning.

The LMV824DG4 is the newest member of Texas Instruments single supply rail-to-rail family. Its main feature is its single-supply operation range from 2.8 V to 18V, which enables it to work with even lower supply voltages. Its rail-to-rail capability provides accurate tracking of the input signal, and improved signal-to-noise ratio as a result.

The LMV824DG4 also has low power consumption and low noise levels, making it ideal for many designs, especially portable and battery operated devices. It provides excellent AC and DC characteristics, including fast settling time, good slew rate, and high common-mode rejection ratio.

The LMV824DG4 has a wide range of uses in automotive and industrial applications, including low-tolerance input-offset voltage amplifiers, instrumentation and signal-conditioning amplifiers, active filters, programmable logic controllers and pulse-code modulation systems. It provides high bandwidth, low power consumption, and low noise levels, and is ideal for use in medical and LED lighting systems.

The LMV824DG4’s working principle is based on the use of multiple CMOS transistors. The transistors are connected in a differential topology and configured to act as an operational amplifier. When the input signal is applied, a small current is fed from the output of the amplifier to the input. This creates a voltage gain, which is determined by the voltage gain of the amplifier.

The LMV824DG4 has a frequency response of up to 10MHz, with a high slew rate of 75V/μs, making it suitable for most applications. It also has a low power consumption of only 45 μA, making it a great choice for battery-powered applications. The LMV824DG4 also has a high common-mode rejection ratio of 85dB and excellent input offset voltage of 0.25mV, offering reliable results and accuracy.

The LMV824DG4, with its wide range of features, is the perfect choice for industrial, medical, and automotive applications. Its single-supply operation, rail-to-rail capability, and excellent AC and DC characteristics make it suitable for a range of uses, while its low power consumption and low noise level make it ideal for portable and battery-powered devices.

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