MAX4572CEI+

On-State Resistance (Max):	35 Ohm
Base Part Number:	MAX4572
Supplier Device Package:	28-QSOP
Package / Case:	28-SSOP (0.154", 3.90mm Width)
Operating Temperature:	0°C ~ 70°C (TA)
Features:	Break-Before-Make, Clickless, I²C
-3db Bandwidth:	150MHz
Voltage - Supply, Dual (V±):	--
Voltage - Supply, Single (V+):	2.7 V ~ 5.25 V
Series:	--
Number of Channels:	11
Switch Circuit:	SPST, SPDT
Multiplexer/Demultiplexer Circuit:	2:1, 1:2
Applications:	Audio, Video
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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Introduction

The MAX4572CEI+ is a monolithic, digital-to-analog switch designed for use in a variety of analog signal switching applications. This versatile switch consists of eight independently controlled, single-pole/double-throw (SPDT) switches with a range of useful circuit capabilities. The MAX4572CEI+ device offers excellent performance characteristics, such as low on-resistance (150 Ω max) and low input and output capacitance (1.2 pF max), which make it suitable for use in high-speed capacitively-loaded systems.

Application Field

The MAX4572CEI+ is particularly suited to applications in a variety of environments: high frequency switching, analog and digital signal routing, power management systems, and telecommunications.In high frequency switching applications, the switch is most effectively used to connect an audio source, such as a mini-amplifier, to an audio device, such as headphones or a loudspeaker. The device can also be used to switch between an input signal and a reference voltage.In analog and digital signal routing applications, the switch is used to connect an input signal to a system logic circuit. This can be used to reduce power consumption, as the system logic is only active when an input signal is present. The MAX4572CEI+ can also be used to switch between multiple input signals, allowing for the selection of the preferred signal or condition.The MAX4572CEI+ switch is also suitable for use in power management systems. By controlling the switch, the device can be used to manage and control current flows, allowing for more efficient power consumption and improved system performance.Finally, the MAX4572CEI+ is a suitable for use in telecommunications systems. By connecting directly to the input signal, the device can be used to route and receive high-speed signals.

Working Principle

The MAX4572CEI+ is a monolithic, digital-to-analog switch and consists of eight independently controlled single-pole/double-throw (SPDT) switches. Each switch consists of a pair of N-channel metal-oxide-semiconductor field-effect transistors (MOSFETs) connected to each side of the switch.The working principle of the device is simple: the control pins on each switch select either the “0” path (the upper MOSFET) or the “1” path (the lower MOSFET). Each switch operates as a voltage-controlled switch, with the control voltage connected to the switch’s control pins. When the control voltage is low, the switch is open and the signal is routed through the “0” path. When the control voltage is high, the switch is closed and the signal is routed through the “1” path.The MAX4572CEI+ device also features overvoltage protection, which prevents the device from being damaged by excessive input voltages. The device also features thermal shutdown protection, which disables the switches if the temperature exceeds a certain limit.

Conclusion

The MAX4572CEI+ is a versatile digital-to-analog switch suitable for use in a variety of applications, such as high frequency switching, analog and digital signal routing, power management systems, and telecommunications systems. The device consists of 8 SPDT switches, each of which consists of a pair of N-Channel MOSFETs connected to each side of the switch. The device operates according to a simple working principle: when the control voltage is low, the signal is routed through the “0” path, and when the control voltage is high, the signal is routed through the “1” path. Additionally, the device also features overvoltage and thermal protection.

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