OP470EY

Current - Input Bias:	6nA
Base Part Number:	OP470
Supplier Device Package:	14-CERDIP
Package / Case:	14-CDIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-25°C ~ 85°C
Voltage - Supply, Single/Dual (±):	9 V ~ 36 V, ±4.5 V ~ 18 V
Current - Supply:	9mA
Voltage - Input Offset:	100µV
Series:	--
Gain Bandwidth Product:	6MHz
Slew Rate:	2 V/µs
Output Type:	--
Number of Circuits:	4
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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INTRODUCTION

OP470EY is a dual channel, BIPOLAR output instrumentation amplifier from Analog Devices. It has a wide range of applications because of its precision, low noise and high bandwidth characteristics. This amplifier has the capability to provide a low noise, high voltage gain and wide bandwidth for accurate measurements. It can be used in many applications such as instrumentation, medical and vibration analysis.

FEATURES

The OP470EY features a high input impedance, low pop-castrong output swing and high common mode rejection ratio. It includes a pair of connected amplifiers, each having a gain of 50 dB or a maximum voltage gain of 500. The wide output swing is possible because the amplifier has an adjustable off-set voltage. This amplifier can also provide a high common mode rejection ratio up to 60 dB.

SPECIFICATIONS

The OP470EY features a low noise floor of 1.5 nV/√Hz and a bandwidth of 7.2 GHz. The amplifier requires an input voltage of ±15V. It has a maximum output voltage of ±6V. The amplifier also has a power supply of ±15V and an output offset voltage of ±2V.

APPLICATION FIELD AND WORKING PRINCIPLE

The OP470EY is one of the most widely used instrumentation amplifiers in many medical, industrial and instrumentation applications. It is typically used for accurate readings from sensors and transducers. In medical applications, it is used in ECG sensors, thermometers, and pressure sensors. In industrial applications, the OP470EY amplifier is widely used in vibration analysis, current measurements and noise measurements.The basic working principle of the OP470EY is to amplify a weak differential voltage signal. The amplified signal is then detected by an output stage. This output stage typically consists of a low-noise, wide bandwidth op-amp and a high gain buffer. The gain of the OP470EY amplifier is determined by the low-noise, wide bandwidth op-amp, which is typically an instrumentation amplifier. This op-amp is connected in an inverting configuration, where the input is connected to the negative input of the amplifier and the output is connected to the positive input of the amplifier. This results in a gain of -1. The buffer is then used to provide additional gain and improve the noise performance of the amplifier. The overall gain of the amplifier is determined by the op-amp gain and the buffer gain multiplied together.

CONCLUSION

The OP470EY instrumentation amplifier is a widely used amplifier in the medical, industrial and instrumentation fields. It is used for accurate measurements from sensors, transducers and vibration analysis. The amplifier has a wide bandwidth, high common mode rejection ratio and low noise floor, which makes it a reliable and accurate amplifier. The overall gain of the amplifier is determined by the op-amp gain and the buffer gain multiplied together.

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