OPA4134UA/2K5G4

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OPA4134UA/2K5G4 is a precision CMOS operational amplifier that operates from supplies as low as 1.6V. This device is optimized for low off-state current and low noise when operating from a single power supply. Offering a wide input common-mode range, OPA4134UA/2K5G4 can accept inputs from ground and up to within 1.6V of either supply rail. Common-mode and supply rejection are both excellent, and high gain reverse polarity protection allows high levels of overload protection.

OPA4134UA/2K5G4 is commonly found in applications such as: gain blocks, instrumentation amplifiers, level translators, active filters, analog-to-digital converters (ADCs), and signal conditioning circuits. High performance, low quiescent current, and low noise make the OPA4134UA/2K5G4 an excellent choice for a variety of design applications.

The OPA4134UA/2K5G4 is a linear instrumentation amplifier that is designed to operate with an input common-mode range extending from ground to within 1.6V of either supply rail. It has high gain, excellent common-mode rejection ratio, and good supply rejection ratio, with an input maximum common-mode voltage range of 1.6 to 36V. It switches with an internal ESD protection network and ENABLE input, and has an adjustable GBW (gain-bandwidth product). It also has 25μV/°C offset voltage and has 6.5 dB noise figure at 10V supply, NMOS/CMOS compatible inputs, and low output impedance.

The working principle of OPA4134UA/2K5G4 is based on its input configuration. The device is a differential amplifier where the differential input is made up of two grids. The first grid is referred to as the common-mode input and has a potential between the rails of (VCC-1.6V), so the common-mode input range is from the VCC minimum level to VCC-1.6. The differential input, on the other hand, is a direct connection to the supply voltage. The output is then fed back to the second grid, which then adjusts its common-mode voltage in order to accurately amplify the differential signal. The fourth grid is the output buffer, which then amplifies the amplified signal and buffers it.

The OPA4134UA/2K5G4 is a versatile device ideal for applications where high performance and low power consumption are essential. A wide range of supply voltages, high speed, low voltage noise, and high supply rejection enable full use of the process’s muscle without the need for large external components. High quiescent current allows the device to maintain superior performance even in large-spanned applications, making it an ideal choice for noise-sensitive applications. The device can also handle a wide temperature range, making it suitable for industrial and military applications.

The OPA4134UA/2K5G4 is a high-performance, low-power buffer amplifier that can be used in many different applications. It provides excellent distortion performance, low noise, and low power consumption. It is compatible with a variety of different process technologies. The device is well-suited for instrumentation applications, high-speed audio applications, and other low-power applications where a high level of buffer amplification is required.

In summary, the OPA4134UA/2K5G4 is an instrumentation amplifier with a high input common-mode range and high gain. It has excellent common-mode rejection ratio, good supply rejection ratio, and low output impedance. Its low noise and 25µV/°C offset voltage make it an ideal choice for small, low power applications. Its wide input common-mode range allows it to be used in a variety of applications. The device is well-suited for instrumentation, high-speed audio applications, and other low-power applications where a high level of buffer amplification is required.

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