AD8139ACPZ-R2

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The AD8139ACPZ-R2 is a high-performance 5 V power supply-rejecting, 2.7 MHz precision diff-amp. This device can be used to achieve high CMRR performance in a variety of precision applications, such as current loop measurements, isolate ground measurement and drive differential ADC or DAC. The versatile differential amplifier offers excellent performance for both ac and dc applications. It is fully differential in and out and provide a port for each side of the differential signal. The AD8139ACPZ-R2 includes an internal gain of 20 dB, which is ideal for side-channel measurements.

The AD8139ACPZ-R2 operates on a single 5 V power supply, making it well suited for battery-powered portable applications. The device also has an ultra-low-noise differential amplifier that provides a CMRR of >100 dB with a gain of 20 dB, making it ideal for high-precision applications. The amplifier also has very low distortion, making it well-suited for applications that require a high-quality signal output. The AD8139ACPZ-R2 has low power consumption and is available in a small package that is RoHS compliant.

Application Field:

The AD8139ACPZ-R2 is suitable for a wide range of instrumentation, automotive, and industrial applications, such as current loop measurements, Amplifiers for isolate ground measurement, biopotential measurement, isolator for motocontrollers, automotive control and monitoring, bridge measurement and control, dc-dc converters control and monitoring, and drive differential ADC or DAC. The AD8139ACPZ-R2 is also an excellent choice for high-precision industrial control and test instruments. It is well-suited for applications requiring low-noise, high-bandwidth and low-distortion performance.

Working Principle:

The AD8139ACPZ-R2 operates on a single 5 V power supply, allowing for a wide range of applications. It is a pair of high-performance differential amplifiers with a variety of features that make them well-suited for precision applications. The AD8139ACPZ-R2 includes an internal gain of 20 dB and provides extremely low-noise. It features a differential input to reject common-mode noise and eliminates the need for an external transformer or balun. The device has an input impedance of 10 Mohm and output impedance of 50 ohms and can drive up to 400 mVp-p into a load of 50 ohms. The AD8139ACPZ-R2 also provides transient protection by reducing the output voltage in case of a large input overdrive.

The AD8139ACPZ-R2 has a CMRR of >100 dB and offers excellent performance in both ac and dc applications. It has a single-ended supply voltage of 5 V and can operate up to 3.6 Vrms, providing high-accuracy gains up to 20 dB. The differential amplifier also has a very low distortion and excellent gain accuracy with an inputs to outputs offset that is as low as ±0.5 mV in the unity gain configuration. The AD8139ACPZ-R2 provides a very low-noise signal output and is capable of driving low-impedance loads with excellent signal-to-noise performance.

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