THS3201MDGNREP Integrated Circuits (ICs)

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THS3201MDGNREP is a high-performance, single-supply, rail-to-rail input/output unity-gain stable amplifier. This device provides an excellent combination of speed and low input bias current, miniturization, and stability. It is suitable for a wide range of instrumentation, OP amp, buffer amp, and gain applications.

THS3201MDGNREP Application Field

THS3201MDGNREP is suitable for various instrumentation and gain applications, such as in amplifier applications, signal conditioning, audio/video processing, and ultrasound imaging systems. It is recommended for instrumentation, OP amp, buffer amp, and current-to-voltage amplifier applications where high speed, low bias current and high common-mode rejection ratio is especially needed.

THS3201MDGNREP is designed to operate over a wide range of temperatures, down to −40 °C, and provide a reasonably good power efficiency (up to 80%) with up to 2 V single-ended supply voltage. It is well suited to be used in diverse applications, such as power telemetry, healthcare, home and industrial automation, automotive, communications, audio, and timing control.

It can also be used as a power amplifier for electronic motors in various devices, for instance, in electric bikes and robotic arms. In these applications, the good common-mode rejection ratio and power efficiency are necessary for high-speed operation.

THS3201MDGNREP Working Principle

THS3201MDGNREP is a voltage follower type amplifier. Its basic architecture contains two input amplifiers and one output amplifier. The two input amplifiers are used to phase shift the input signals in opposite phase and form close loop feedback which cancel out the phase shift of the output signals and thus give the system a unity gain. The output amplifier performs the task of driving the load and converting the current to voltage. After the input signals are amplified by the two input amplifiers, the output amplifiers drives the load to maintain a precise voltage.

The device has a wide common-mode input and output voltage range, enabling it to accurately replicate the input voltage independent of varying source or load conditions. It provides a low input bias current of 1 µA and high output current drive of ±70 mA. Its high unity-gain stability is equipped with a precise-output slew rate of 1V/µs.

Conclusion

THS3201MDGNREP is a high-speed, rail-to-rail input/output, unity-gain stable, low input bias current amplifier. It is ideal for a wide range of instrumentation, OP amp, buffer amp, and gain applications. Its wide common-mode input and output voltage range, precise-output slew rate and high power efficiency makes it suitable for varied applications including electric motor control, medical, automotive, audio and communication systems.

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