OPA4172AQPWRQ1

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The OPA4172AQPWRQ1 is a high-performance, high-power instrumentation amplifier that can be used in a wide range of applications. It is ideal for applications where high-resolution, low-noise, and low-distortion are desired, such as in medical instrumentation, industrial process control, laboratory analysis, and general test and measurement applications. The OPA4172AQPWRQ1 is a rail-to-rail output, low power, high-voltage instrumentation amplifier, with an operating voltage range from 4.75V to 18V.

The OPA4172AQPWRQ1 has a low input offset voltage of less than ±0.25mV and offers high common-mode rejection ratios. It has a low distortion of −85dB at 2kHz and a wide power bandwidth of 2.1MHz, making it an ideal choice for high-speed applications. The OPA4172AQPWRQ1 can be used in single-ended, differential, and bridged configurations. It is also capable of handling up to 10Vpp of large-signal swings with a low Johnson noise of 0.15nV/√ Hz.

The OPA4172AQPWRQ1 is available in a space-saving, thermally enhanced TSSOP-24 package. When used in battery-backed systems, it provides excellent power-supply ripple rejection and power-supply current draw of less than 5µA. It also has improved common-mode and power-supply rejection ratios when compared to other amplifiers.

The OPA4172AQPWRQ1 operates over a wide range of temperatures from −40 to +125 degrees Celsius, making it suitable for the most demanding conditions. The low input offset voltage, combined with the wide power bandwidth, makes it ideal for audio, video, and medical applications.

When designing with the OPA4172AQPWRQ1, it is important to consider its working principle. The OPA4172AQPWRQ1 is a three-stage, high-precision instrumentation amplifier. The input stage is a differential pair of transistors, with the differential input current controlled by the series resistor. The input stage transition to the second stage, a variable-gain stage, through the current-mirror amplifier. The gain of the variable-gain stage is then set by the reference voltage generated by the internal voltage-regulator. Finally, the output stage has a buffer and unity-gain amplifier, providing high output drive capability and flat frequency response. With this design, the OPA4172AQPWRQ1 is able to achieve large signal swings, low noise, and low distortion.

In summary, the OPA4172AQPWRQ1 is a high-performance, high-voltage instrumentation amplifier that offers excellent performance in a wide range of applications. Its low input offset voltage, wide power bandwidth, and low distortion make it ideal for audio, video, and medical applications. In addition, its wide operating temperature range and high-precision three-stage design ensure reliable performance in even the most extreme conditions.

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