MAX4482ASA+

Voltage - Input Offset:	1mV
Base Part Number:	MAX4482
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply, Single/Dual (±):	2.5 V ~ 5.5 V, ±1.25 V ~ 2.75 V
Current - Output / Channel:	17mA
Current - Supply:	50µA
Series:	--
Current - Input Bias:	0.1pA
Gain Bandwidth Product:	140kHz
Slew Rate:	0.08 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	2
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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Introduction

MAX4482ASA+ is an ultra-low noise, high-precision amplifier designed for applications such as instrumentation, buffering, and signal conditioning. It operates from a single supply and delivers output power of up to +2.5 volts. It has high gain-bandwidth product, low input bias and offset currents and excellent input and output voltage noise. This device utilizes advanced high performance bipolar complementary metal-oxide-semiconductor (CMOS) technology and features high speed performance and low supply current.

Application Field

MAX4482ASA+ is mainly used for instrumentation, buffering, and signal conditioning applications as it provides an accurate and precise high-precision amplifier. Instrumentation amplifiers are used to amplify relatively small signals in the presence of large common mode signals. Instrumentation amplifiers are found in many different applications such as pressure sensors, load cells, bridge sensors, motion detection, and many more. Buffering is used to separate the source of an electrical signal from the rest of the circuit to prevent interference from other devices and cables. Buffers are also used to help retain the fidelity of the signal through the entire circuit. Signal conditioning is the process of filtering, amplifying and/or transforming signals into useful information. Common applications include A/D and D/A converters, power control circuits, and audio/video equipment.

Working Principle

MAX4482ASA+ operates from a single supply with an input voltage range of 0.4 volts to 5.3 volts. The device has an input offset voltage of 0.3 mV and an input bias current of 5 pA. The common-mode input voltage range is 0.4 volts to (V+ - 0.3 volts). It features a low noise voltage of 7.7 uV peak-to-peak and an input current noise of 7 pA. The device also has a wide gain-bandwidth product of 2.7 MHz and a slew rate of 7.7 V/ms.The MAX4482ASA+ amplifies the input signal and provides an amplified output signal. The device is stable over a wide range of frequencies and has low harmonic distortion. Its low output impedance ensures that the output is not affected by other components in the circuit.

Conclusion

MAX4482ASA+ is an ultra-low noise, high-precision amplifier designed for instrumentation, buffering, and signal conditioning applications. It operates from a single supply and delivers output power up to +2.5 volts. It has high gain-bandwidth product, low input bias and offset currents and excellent input and output voltage noise. This device utilizes advanced high performance bipolar complementary metal-oxide-semiconductor (CMOS) technology and features high speed performance and low supply current. It is ideal for applications where low noise and precise amplification are required.

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