AD744JR

Voltage - Input Offset:	300µV
Base Part Number:	AD744
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Voltage - Supply, Single/Dual (±):	±4.5 V ~ 18 V
Current - Output / Channel:	25mA
Current - Supply:	3.5mA
Series:	--
Current - Input Bias:	30pA
-3db Bandwidth:	13MHz
Slew Rate:	75 V/µs
Output Type:	--
Number of Circuits:	1
Amplifier Type:	J-FET
Part Status:	Obsolete
Packaging:	Tube

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Introduction

The AD744JR is a low power, low cost, fully differential, high speed operational amplifier that combines a wide input dynamic range and a high gain-bandwidth product while still providing high accuracy and low noise. The AD744JR is suitable for applications in communication, instrumentation, and industrial sensing.

Application Field

The AD744JR is designed for analog signal processing in a variety of applications. It can be used as a buffer in communication systems, as a voltage follower in instrumentation, as an isolator in industrial sensing systems, or as an amplifier for low frequency signals in medical systems. The AD744JR is also capable of processing signals in the audio frequency range. In addition to its wide range of applications, the AD744JR is a great choice for both single-ended and differential applications. It is capable of providing high accuracy even at high gain settings and can be used in high speed applications.

Working Principle

The AD744JR is a differential amplifier that uses two input terminals, in this design referred to as +IN and -IN, and one output. The inputs are then compared and the output is determined by taking the difference of the two inputs.The AD744JR operates at low voltages and can provide very high gain. The differential input stage of the amplifier offers excellent linearity and wide dynamic range, and the bipolar junction transistors used for its internal transimpedance amplification stage allow for a maximum output voltage swing of up to 0.25 volts.The AD744JR uses a fully-differential configuration to minimize the effect of thermally induced noise, allowing for a high signal-to-noise ratio. The amplifier also features low input bias current, low capacitance, low input offset voltage, and a high slew rate. In addition, the AD744JR is capable of accurate current and voltage amplification and can be used in applications such as high speed sensor signal transmission.

Conclusion

The AD744JR is a low cost, high speed operational amplifier that is suitable for a variety of applications. It can be used as a buffer in communication systems, as a voltage follower in instrumentation, as an isolator in industrial sensing systems, or as an amplifier for low frequency signals in medical systems. The AD744JR has a wide input dynamic range and high performance, making it an excellent choice for signal processing applications.

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