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AD8225 High Resolution Analog/Digital Converter (ADC) Circui

2015-01-16 01:32  
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The AD8225 is aninstrumentation amplifierfromAnalog Deviceswith a fixed gain of 5 and superior Common-ModeAD8225 High Resolution ADC Circuit DiagramRejection Ratio (CMRR) which enables rejection of high frequency common-mode voltage. This will result in the rejection of higher ambient levels of noise from utility lines, industrial equipment, and other radiating sources. The following circuit diagram shows the advantages of AD8225 in driving ahigh resolution Analog/Digital converter (ADC).

According to the datasheet, AD8225s can be configured todrive an ADCwith differential inputs by using either single-ended or differential inputs to the AD8225s. The circuit diagram perform connections for the differential input that may be configured by connecting the negative input terminal to ground. This Differential ADC circuit using a pair of AD8225s. You can see more information regarding the function of the AD7675 in this circuit, or using the reference input of AD8225 in the following datasheet.

The AD8225 Precision Gain of 5 Instrumentation Amplifiersare used to be applied in applications such as EKG and other low level biomedical amplifiers, Current Transmitters, Multiplexed Systems, Bridge Transducers, Sensor Signal Conditioning and 4 to 20 mA Converters.

Follow complete information onDriving a High Resolution ADCusing a pair of AD8225s in the AD8225 datasheet (source: analog.com)