MAX4432EUA+

Voltage - Input Offset:	1.25mV
Base Part Number:	MAX4432
Supplier Device Package:	8-uMAX
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 (±):	9 V ~ 11 V, ±4.5 V ~ 5.5 V
Current - Output / Channel:	60mA
Current - Supply:	11mA
Series:	--
Current - Input Bias:	11µA
-3db Bandwidth:	180MHz
Slew Rate:	100 V/µs
Output Type:	--
Number of Circuits:	2
Amplifier Type:	Voltage Feedback
Part Status:	Active
Packaging:	Tube

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MAX4432EUA+ Application Field and Working PrincipleThe MAX4432EUA+ is a dual low-noise op amp with rail-to-rail input and output, ultralow noise of 0.68nV/√Hz, and high common-mode rejection ratio (CMRR). It is ideally suited for use in high-precision active filter designs, line receivers, preamps, and audio applications. This amplifying device is part of the Linear series of amplifiers, known for their reliability and precision, as well as their Instrumentation, OP Amps, and Buffer Amp design.The MAX4432EUA+ operates from a single 2.7V to 5.5V supply, and exhibits excellent S/N and THD+N performance up to 3.3V even at 500kHz. It requires only 6 µA per amplifier of supply current, yet provides >125dB of supply-rejection ratio (PSRR). This makes it suitable for single-supply applications such as monitoring and control systems, portable/battery-operated equipment, and communication/audio amplifiers.The MAX4432EUA+ includes a variety of features that make it a top-notch instrumentation, OP Amp, and Buffer Amp. It offers excellent DC performance, including low offset voltage of 0.5mV and low input bias current of 4 pA, as well as low-noise, bidirectional, rail-to-rail input common-mode voltage range optimized for single-supply operation. These factors, coupled with its low power consumption and low output offset voltage, make the MAX4432EUA+ a great choice for precision signal processing applications.The key features of the MAX4432EUA+ include its 1MHz gain-bandwidth product and low oscillation frequency, as well as its open-loop voltage gain of 100dB. Its high slew rate of 4V/µs and unity-gain stable operation ensure reliable operation, even when driving capacitive loads. Its advanced architecture and low differential input voltage noise (1.2nV/√Hz) make it ideal for wideband high-sensitivity applications. Finally, its low noise (0.68nV/√ Hz) and low distortion (50dBc at 30kHz) make this device suitable for applications requiring very low distortion.The working principle of the MAX4432EUA+ is based on the use of an input differential amplifier that is connected to a transconductance amplifier. The input differential amplifier amplifies the signal, while the transconductance amplifier takes the amplified differential signal and converts it into an output signal. The MAX4432EUA+ can be used to drive high-impedance transducers, including microphone, strain-gauge, and thermocouple inputs. Its wide differential input voltage range and low bias currents make it suitable for both bipolar and unipolar signal applications. The MAX4432EUA+ can also be used to improve signal-to-noise ratio in various signals, including communications, instrumentation and audio. Finally, its low-noise and low-distortion characteristics make the MAX4432EUA+ an ideal choice for high-precision signal-processing applications, such as audio mixing/recording, communications/cellular communication, instrumentation, and medical applications.The MAX4432EUA+ is also well suited for improving system performance, as it provides high input-voltage range, low capacitance, and low voltage offset. Its rail-to-rail input/output capability makes it suitable for single-supply applications. Furthermore, its low-voltage noise enables the use of higher-gain circuits. In short, the MAX4432EUA+ is an excellent choice among Linear amplifiers, Instrumentation, OP Amps, and Buffer Amps. Its features, including ultralow noise, very high CMRR, and rail-to-rail input/output capability make it a top-notch amplifier for precision signal processing and system improvement. Its low consumption and excellent S/N performance ensures it will continue to be a go-to choice for designers of active filters, line receivers, preamps, and audio systems.

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