NLAS7222AMUR2G

On-State Resistance (Max):	9 Ohm
Base Part Number:	NLAS7222
Supplier Device Package:	10-UQFN (1.4x1.8)
Package / Case:	10-UFQFN
Operating Temperature:	-40°C ~ 85°C (TA)
Features:	USB 2.0
-3db Bandwidth:	700MHz
Voltage - Supply, Dual (V±):	--
Voltage - Supply, Single (V+):	3 V ~ 3.6 V
Series:	--
Number of Channels:	1
Switch Circuit:	DPDT
Multiplexer/Demultiplexer Circuit:	--
Applications:	USB
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

The NLAS7222AMUR2G is a high-speed three-port analog switch that is used in a variety of applications. It is part of the special-purpose family of analog switches developed by National Semiconductor. It is a low-power device with a typical power consumption of 2.5 mW. With its wide operating range, the NLAS7222AMUR2G is ideal for use in applications that require fast switching, low power consumption, and a space-saving form factor.

Application Field

The NLAS7222AMUR2G is used for a variety of switched applications. It has a wide operating range, allowing it to be used in a wide variety of applications such as switching audio signals, controlling digital and analog input signals, and switching between two or more voltage references and ground. Additionally, it is suitable for use in high-speed sensing applications, as it can switch quickly and precisely which makes the sensor operation more accurate.Furthermore, the analog switch is used in antenna switching and communication systems, such as radio and base station antennas that need to be switched between multiple antennas and ground for signal routing. Additionally, the NLAS7222AMUR2G is used in consumer electronics and medical phase-switching systems.

Working Principle

The NLAS7222AMUR2G is a three-port analog switch. It is a normally closed switch with a low switching voltage, typically 1.8 V. The switch consists of two CMOS transistors and a MOS pair connected in series across one of the ports. When the switch is in its closed state, the control signal is low and the transistors are off, preventing current from flowing through the switch. When the control signal is high, the transistors turn on and current can flow from the first port to the second port. Additionally, the MOS pair will switch on and off depending on the voltage on the third port. The NLAS7222AMUR2G is a bidirectional switch, meaning it can switch both directions between ports. It also has low leakage current and low charge injection, ensuring low power consumption and signal integrity.The device also has wideband capabilities, meaning it can handle high frequency signals with high fidelity. The device is designed to handle signal frequencies of up to 1.5 GHz with minimal distortion.

Conclusion

The NLAS7222AMUR2G is a high-speed three-port analog switch developed by National Semiconductor. It is part of the special-purpose family of analog switches. The device is typically used for audio signal switching, digital and analog input control, and switching between two or more voltage references and ground. It is also used for antenna switching and communication systems, as well as consumer electronics and medical phase-switching systems. The NLAS7222AMUR2G has a range of features that make it suitable for such applications, including low power consumption, a wide operating range, low leakage current, low charge injection, wideband capabilities and fast switching.

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