LPV358IDR

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Linear Amplifiers, Instrumentation, OP Amps, and Buffer Amps are the components of a larger circuit used to maintain and enact the desired stability and directional control for the signals running through them. A good example of one of these components is the LPV358IDR, a differential-output, low-voltage precision amplifier. This amplifier, while characterized as a low-voltage amplifier, offers advantages in a range of different applications, including many of its usage in precision instrumentation, providing power supply rejection and improved accuracy. In addition, the LPV358IDR features protection against input overloads, improved accuracy at higher temperatures, and increased power savings.

Application Field and Working Principle of LPV358IDR

The LPV358IDR has a wide applicational field, as it is a versatile operational amplifier that can be used in many systems, ranging from instrumentation amplifiers to control loops to photodetection cameras. It is also found to be useful in measurement and industrial process control, making it an ideal solution for voltage-gain applications.

As a low-voltage amplifier, the LPV358IDR is designed for operation over a wide range of supply voltages, as low as 2.7V. It features a low-power mode operation with a typical power dissipation of only 0.7mW. Furthermore, its low-power mode allows the device to operate with a low current draw of 1µA.

The LPV358IDR is powered by an on-chip, low-noise, precision voltage reference, providing a power supply rejection (PSR) of 70dB and a precision gain of up to 1000V/V. This allows for stable gain and offset voltages, even with a change in operating temperature or supply voltage. Furthermore, the low-noise reference voltage provides an extremely low input-referred noise figure of 0.4μV/√ Hz.

When operated in offset null mode, the LPV358IDR offers an output offset voltage of only ±50mV, while at higher temperatures and a single power supply the output offset voltage is kept below ±75mV. This allows for closer regulation of the amplified signal, improving accuracy, phase response, and signal integrity. Furthermore, various forms of input overdrive protection, including overvoltage and high-transient protection, further increase the amplifier’s accuracy and immunity to overloads.

The LPV358IDR is an ideal choice for precision instrumentation and control applications, offering stable and accurate signal amplification of both AC and DC signals. Its low power draw, wide range of supply voltages and precision gain allow for reliable operation over wide temperature ranges, making it suitable for a variety of applications. Its on-chip voltage reference and overload protection further enhance its accuracy and immunity to signals and distortions. With the combination of all its features, the LPV358IDR is the perfect amplifier for maintaining the stability and directional control of signals.

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