MAX4123EUA+T

Voltage - Input Offset:	350µV
Base Part Number:	MAX4123
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 (±):	2.7 V ~ 6.5 V, ±1.35 V ~ 3.25 V
Current - Output / Channel:	50mA
Current - Supply:	725µA
Series:	--
Current - Input Bias:	50nA
Gain Bandwidth Product:	5MHz
Slew Rate:	2 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	1
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MAX4123EUA+T Application Field and Working PrincipleThe MAX4123EUA+T is an integrated single pole, dual-throw switch that operates from a single supply. The active input features low input bias current, wide dynamic range, and low offset stability. It offers high input impedance, and low noise, and can be used in a variety of applications. This device is typically used as a voltage reference switch, a high-precision audio pre-amplifier, a buffer amplifier, and a gain control circuit in many consumer, industrial, and medical applications. The built-in active switch serves to select the appropriate voltage reference, attenuate offset and noise, and control gain. Application Field: The MAX4123EUA+T switch is widely used in consumer electronics such as digital audio systems, amplified speakers, televisions, and radio receivers. The switch can also be used in industrial applications such as logic controllers, audio amplifiers, machine tools, and various sensors. In medical applications, the switch is used to provide accurate voltage reference for patient monitoring. Working Principle: The MAX4123EUA+T switch can be driven by either a single or double supply, or by a bipolar or unipolar signal. The switch itself consists of two independently activated switches and an amplifier, which serve to select the desired voltage reference and amplify the signal. The switch is typically used to attenuate offset and noise, and adjust gain. The switch is comprised of a voltage differential input and a voltage reference output. The differential input is connected to an amplifier and a voltage reference, and is used to switch between the two different voltage references. The output is then amplified to match the desired voltage reference level. When the input voltage is lower than the voltage reference, the switch turns off, preventing current flow to the amplifier. When the input voltage is higher than the voltage reference, current is allowed to flow through the amplifier, increasing the output voltage. The voltage reference output is then adjusted accordingly. The MAX4123EUA+T is a popular switch for precision applications, as it provides a high input impedance, low input bias current, wide dynamic range, and low noise. Additionally, the switch is able to switch between two different voltage references, allowing it to be used in a variety of applications.

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