OPA188AIDGKR

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OPA188AIDGKR is a high-performance, wide-variable gain, fully differential amplifier in the form of an integrated circuit. This amplifier is designed for instrumentation and audio applications where an ultra-low distortion and high headroom is needed. The OPA188AIDGKR has several advantages over other amplifiers in its class, including low distortion, wide-bandwidth, and ability to handle high input voltages.

Working Principle:

The OPA188AIDGKR is a fully differential amplifier that can be used as an isolator, buffer, or an amplifier. The device consists of two identical sections, each having two up and two down pairs of pins. The first section consists of two differential input pairs, pins 1 and 8, and pins 2 and 7. The input pair is then buffered by two G1 and G2 transistors. These two pairs act as two buffer amplifiers in the same circuit and provide a higher input impedance. The second section consists of two differential output pairs, pins 3 and 6, and pins 4 and 5. These two pairs then drive the two G2 transistors, which in turn drive the output.

Application fields:

The OPA188AIDGKR can be used in various applications, including but not limited to: audio amplifiers, instrumentation, professional audio equipment, and home entertainment systems. It has been used in professional audio equipment where designers need low noise and low distortion, such as professional mixing consoles, guitar amplifiers, and PA systems. The high input impedance and wide-bandwidth also makes it ideal for use in instrumentation applications, such as test and measurements systems, as well as in low-level buffer circuits.

The OPA188AIDGKR is also highly popular for use in home entertainment systems, as it can be used as a pre-amp or as an amplifier for subwoofer systems. It is one of the most frequently used amplifiers in home entertainment systems, as it provides an excellent sound quality and is relatively easy to set up and use. The OPA188AIDGKR also works well for low-level signals such as headphones and mixers, where low-noise and low-distortion is crucial.

The OPA188AIDGKR is an excellent choice for many audio applications due to its low distortion, high headroom, and wide-bandwidth capabilities. It is suitable for use in professional audio equipment, home entertainment systems, and instrumentation. The OPA188AIDGKR is also highly reliable and can handle high input voltages.

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