MAX321CUA+

Switch Time (Ton, Toff) (Max):	150ns, 100ns
Base Part Number:	MAX321
Supplier Device Package:	8-uMAX
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Operating Temperature:	0°C ~ 70°C (TA)
Crosstalk:	-85dB @ 1MHz
Current - Leakage (IS(off)) (Max):	100pA
Channel Capacitance (CS(off), CD(off)):	9pF, 9pF
Charge Injection:	2pC
-3db Bandwidth:	--
Series:	--
Voltage - Supply, Dual (V±):	±2.7 V ~ 8 V
Voltage - Supply, Single (V+):	--
Channel-to-Channel Matching (ΔRon):	300 mOhm
On-State Resistance (Max):	35 Ohm
Number of Circuits:	2
Multiplexer/Demultiplexer Circuit:	1:1
Switch Circuit:	SPST - NC
Part Status:	Active
Packaging:	Tube

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IntroductionThe MAX321CUA+ is an analog switch and multiplexer/demultiplexer designed by Texas Instruments. As a member of the MAX3000 family, this switch provides low on-resistance and fast switching times, along with other features like voltage translation, multiplexer/demultiplexer capabilities, and improved ESD performance. This device is ideal for applications that require high resolution, low voltage, and low-power analog switching. Function and ApplicationsThe MAX321CUA+ offers a variety of digital and analog signal transfer capability, allowing for fast and efficient data handling. This makes it useful for a wide range of applications, such as data acquisition, audio mixing, signal routing, system protection, signal conditioning, and communications. Additionally, its low power consumption and low signal conditioning capability makes it ideal for battery operated devices. The MAX321CUA+ can be used as either a multiplexer or demultiplexer, and is designed to handle up to 8x8 pins. Its features include low-voltage differential signaling (LVDs), low-voltage logic (LVLs), low-voltage signal processing (LVSPs), and advanced ESD protection. It is suitable for both 3.3V and 5V voltage logic, making it suitable for both low-voltage and high-voltage applications. Working PrincipleThe MAX321CUA+ relies on a system of multiplexing and demultiplexing signals in order to achieve its signal routing function. Multiplexing is the process of combining multiple digital signals into one single signal, while demultiplexing is the process of sending a single signal to multiple receivers. When the MAX321CUA+ is used as a multiplexer, it receives a set of pins as input and then combines the received signals into one single digital signal. The single digital signal is then sent to the output of the multiplexer. When used as a demultiplexer, it receives one digital signal input, and then sends the signal to multiple pins, which represent the individual receivers.ConclusionThe MAX321CUA+ is an analog switch and multiplexer/demultiplexer that offers an efficient and fast data transfer system for applications requiring analog signals. Its multiplexing and demultiplexing capabilities, along with its low power consumption, make it ideal for low voltage and high voltage applications. Additionally, its advanced ESD protection and LVDs, LVLs, and LVSPs capabilities make it an incredibly versatile device.

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