AD202KY

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Linear – Amplifiers – Instrumentation, OP Amps, Buffer Amps

The AD202KY is a low power, quad general-purpose instrumentation amplifier. It is suitable for use in a wide range of applications, including low-cost, low-power linear amplifiers, inverters, buffer amplifiers, oscillators, and more. The AD202KY features four separate amplifiers which can be used to measure, monitor, more and compare signals in parallel.

Features Of The AD202KY

The AD202KY is a fully-featured instrumentation amplifier designed for wide dynamic range applications such as those found in audio systems, home security systems, and data logging devices. It is characterized by four topology options, with fixed gain or adjustable gain options for each, for both single-ended and differential output configurations. Furthermore, it is designed for low power consumption, and offers a wide supply voltage range of 3V to 36V for both single- and dual supplies..

In addition to its impressive selection of amplifiers and configuration options, the AD202KY has a temperature range of -40°C to 85°C making it suitable for a wide range of environmental conditions. It also offers an exceptionally low input bias current of 13pA while featuring a low noise specification of 30µVrms max. The package has a standard 8-pin dual-in-line pinout, making it compatible with a variety of development boards and connection cables.

Application Field Of The AD202KY

The AD202KY offers several features and topologies suitable for a wide range of applications. Because of its low-power consumption and wide supply voltage range, it makes an ideal choice for low-power systems such as those found in automotive and portable applications. Furthermore, its low bias current, low noise level, wide temperature range, and its dual-in-line package make it suitable for both digital and analog systems. The device is also capable of measuring DC and AC signals up to 100V. In addition, it makes an excellent choice for buffer amplifiers since it offers an adjustable gain of up to 20V/V as well as an adjustable low noise of only 2μV.

The AD202KY is designed to interface with a variety of analog signals, making it an excellent choice for audio applications such as recording consoles and audio preamps. It has several features ideal for this type of application, including low power consumption, wide temperature range, adjustable gain, and differential output. Its quad architecture also makes it ideally suited for multichannel applications, such as multi-channel audio mixers, medical equipment, and seismic monitors.

Working Principle Of The AD202KY

The AD202KY is an instrumentation amplifier, meaning that it consists of an input stage, a buffer, and a gain stage. The input stage amplifies the input signal, while the buffer amplifies the remainder of the signal before passing it to the gain stage. The gain stage then further amplifies the signal before passing it to the output stage. Each stage can be adjusted independently, or all stages can be adjusted at once to maintain a desired gain.

The output of the AD202KY is a differential or single-ended signal depending on the topology chosen. The device can be configured for a fixed or adjustable gain. The adjustable gain options allow for adjustment of the gain setting without changing the parts used in the design, making it easy to customize the design for a variety of applications.

The AD202KY is an extremely versatile instrumentation amplifier. It can be used in a wide range of applications, providing reliable and accurate signal monitoring and measurement. The device is suitable for both AC and DC signals and its low-power, wide temperature range and adjustable gain make it an excellent choice for a variety of applications from audio systems to home security systems and data logging.

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