ADA4807-2ARMZ

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The ADA4807-2ARMZ linear amplifier is a high-performance operational amplifier intended to be used in instrumentation, buffering and operational applications. It is a low-voltage amplifier that can operate on supplies ranging from 5V to 24V and has a wide gain bandwidth ratio of 10MHz. The ADA4807-2ARMZ also has a low noise level and can drive up to 50mA of current. The main characteristics of the ADA4807-2ARMZ are its low distortion, low offset and low power consumption, making it ideal for use in instrumentation and buffering applications.

Application Field

The ADA4807-2ARMZ is designed for use in a variety of applications. It is especially popular for use in instrumentation and buffering circuits, where its low bias current and wide gain bandwidth are advantageous. It can also be used in a range of industrial, scientific and medical applications such as power supply design, data acquisition, digital and analog video, transimpedance amplifiers and audio. Furthermore, its low power consumption, low distortion characteristics and high linearity make it an ideal choice for building low-noise and high-fidelity amplifiers, which are essential for applications in the automotive, communication and entertainment industries.

Working Principle

The ADA4807-2ARMZ uses a rail-to-rail input stage with a differential amplifier to provide a wide input range. This wide input range makes the amplifier suitable for a range of applications. Combined with the accurate performance of the device, such as low distortion, low noise and low power consumption, this makes it an ideal choice for a wide range of applications. Moreover the ADA4807-2ARMZ features integrated protection against over-voltage, current injection, and ESD events for stable operation.

The ADA4807-2ARMZ operational amplifier consists of several sub-circuits, starting from the input stage up to the output stage. The input stage features an input buffer to isolate the input circuit from the supply and block any current injection from the input to the supply. The differential amplifier connected to the input buffers provides a fully differential signal to the output circuit.

The output of the device consists of a folded cascode stage and a voltage buffer both necessary for providing full output voltage swing. The folded cascode uses extra MOSFETs to perform voltage amplification and provide high speed and large bandwidth, while the voltage buffer provides extended gain bandwidth product and ensures a wide output voltage range. Additionally, the output stage includes ESD protection elements and a current limiter, preventing over-current and ESD events.

The ADA4807-2ARMZ is also highly stable and reliable thanks to its tight temperature coefficient and temperature compensation, which makes it suitable for use in long-term and wide temperature range applications.

The ADA4807-2ARMZ is a low-voltage linear amplifier suitable for a wide range of applications, offering features and performance usually found in higher voltage amplifiers. Its low-voltage operation, wide input range and high gain bandwidth make it suitable for instrumentation, buffering and operational applications, while its low distortion, low offset, and low power consumption are ideal for applications requiring low-noise and high-fidelity amplifiers, making it a versatile and reliable choice for many industrial, scientific and medical applications.

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