AD8275BRMZ-R7 Integrated Circuits (ICs)

Voltage - Input Offset:	150µV
Base Part Number:	AD8275
Supplier Device Package:	8-MSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply, Single/Dual (±):	3.3 V ~ 15 V
Current - Output / Channel:	30mA
Current - Supply:	1.9mA
Series:	--
-3db Bandwidth:	15MHz
Slew Rate:	25 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	1
Amplifier Type:	Differential
Part Status:	Active
Packaging:	Tape & Reel (TR)

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AD8275BRMZ-R7 is a high performance instrumentation amplifier. It has excellent input characteristics, high common mode range and wide bandwidth. It is especially suitable for applications such as ground loop isolation, active filters, rail-to-rail user interfaces and data acquisition systems.

Overview

The AD8275BRMZ-R7 is a low noise, high speed, low power, unity gain instrumentation amplifier. It utilizes a fully-differential input architecture and a precision matched-transistor architecture. The device offers very low distortion, low power consumption and a wide dynamic range.The AD8275BRMZ-R7 can provide up to 30dB of common-mode rejection, with a maximumcommon-mode range of ±50V. It has a maximum input voltage of ±40V and a minimum input voltage of -50V. The low power consumption of 5mA enables longer battery life and lower heat dissipation.The device is available in a QFN-56 package and has a maximum operating temperature of 105°C.

Features and Benefits

The AD8275BRMZ-R7 has a number of features and benefits which make it suitable for applications in instrumentation, data acquisition, ground loop isolation, active filters and rail-to-rail user interfaces.• Low Noise: The noise performance of the AD8275BRMZ-R7 is excellent, with a low-noise figure of 3.2nV/√Hz.• High Input Impedance: The device has a high input impedance of 12.3MΩ, which minimizes the effects of loading on the signal source.• Wide Dynamic Range: The dynamic range of the AD8275BRMZ-R7 is wide, with a maximum input voltage of ±40V.• Wide Bandwidth: The bandwidth of the AD8275BRMZ-R7 is wide, with a gain of 2.8MHz.• Low Power Consumption: The AD8275BRMZ-R7 consumes low power, with a maximum of 5mA.• Low Distortion: The distortion of the AD8275BRMZ-R7 is low, with a maximum THD of 0.001%.• Low Voltage Offset and Drift: The AD8275BRMZ-R7 has low voltage offset and drift, with a maximum offset voltage of 3mV and a maximum drift of 0.2mV/°C.• Easy to Use: The AD8275BRMZ-R7 is easy to use, with a simple design and easy to use pinout.• High Common-Mode Rejection: The device offers up to 30dB of common-mode rejection, with a maximum common-mode range of ±50V.

Working Principle

The AD8275BRMZ-R7 is a single-input differential amplifier that achieves exceptional accuracy and stability despite environmental variations such as temperature and supply voltage. It utilizes a precision-matched transistor architecture and a wide signal bandwidth.The device operates by amplifying small signals while rejecting common-mode signals, resulting in maximum common-mode rejection. The amplifier also incorporates an adjustable gain, which enables the user to optimize the device for their specific application.The AD8275BRMZ-R7 has a single input and two output, and the input is fully differential. A differential signal is applied at the input and amplified. The gain of the amplifier is determined by the resistor values connected to the two output pins.The amplifier also has a wide dynamic range, which allows the amplifier to amplify a small signal while remaining stable. Moreover, the amplifier has a large common-mode range of ±50V, which allows the amplifier to reject noise from the signal source.

Applications

The AD8275BRMZ-R7 is suitable for a variety of applications, including ground loop isolation, active filters, rail-to-rail user interfaces and data acquisition systems.• Ground Loop Isolation: The AD8275BRMZ-R7 can be used for ground loop isolation, minimizing the amount of noise coupled from the signal source to the device.• Active Filters: The AD8275BRMZ-R7 can be used for active filter applications, providing high-precision signal amplification, filtering and signal conditioning.• Rail-to-Rail User Interfaces: The AD8275BRMZ-R7 can be used for rail-to-rail user interfaces, providing a low-noise, low-power signal interface between high voltage and low voltage components.• Data Acquisition Systems: The AD8275BRMZ-R7 can be used in data acquisition systems, providing highly accurate signal amplification, simultaneous wide dynamic range and high common-mode rejection.

Conclusion

The AD8275BRMZ-R7 is a high performance instrumentation amplifier. It has excellent input characteristics, high common mode range and wide bandwidth. The device is ideal for applications such as ground loop isolation, active filters, rail-to-rail user interfaces and data acquisition systems. It utilizes a fully-differential input architecture and a precision matched-transistor architecture to offer very low distortion, low power consumption and a wide dynamic range. The AD8275BRMZ-R7 is available in a QFN-56 package and is easy to use.

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