MAX333AEWP+T

Switch Time (Ton, Toff) (Max):	175ns, 145ns
Base Part Number:	MAX333
Supplier Device Package:	20-SOIC
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Crosstalk:	-78dB @ 1MHz
Current - Leakage (IS(off)) (Max):	250pA
Channel Capacitance (CS(off), CD(off)):	5pF
Charge Injection:	2pC
-3db Bandwidth:	--
Series:	--
Voltage - Supply, Dual (V±):	±4.5 V ~ 20 V
Voltage - Supply, Single (V+):	10 V ~ 30 V
Channel-to-Channel Matching (ΔRon):	2 Ohm (Max)
On-State Resistance (Max):	45 Ohm
Number of Circuits:	4
Multiplexer/Demultiplexer Circuit:	2:1
Switch Circuit:	SPDT
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction
MAX333AEWP+T, is a dual 3-in multiplexer/demultiplexer (MUX/DEMUX) that offers increased functionality. The device is designed to reduce the number of necessary components, allowing for design optimization and system efficiency. It offers fast switching, low on-resistance, and low capacitance, making it suitable for many applications, particularly those involving input-output isolation, gain expansion, control, sensing, and other analog applications.
Application Field
MAX333AEWP+T can be used for various application needs, including multiplexing, data-rate conversion, gain switching, and level-setting, where an isolation amplifier is needed. High-speed multiplexing between three inputs is possible for sample-and-hold, transient response, and sampling applications. Data-rate conversion can be implemented using the low-noise, multiplexing technique used for analog-to-digital converter applications. As an isolation amplifier, the device may offer higher speed and better ultra-low noise performance. Additionally, this MUX/DEMUX can be used in portable medical instruments and other mobile applications.
Working Principle
MAX333AEWP+T is a dual 3-in multiplexer/demultiplexer controlled by the Logic-level Digital Control line. It can be used to control the transfer of one out of three analog signals to an output, or vice versa. The digital control line is connected to the three logic control pins (S0, S1 and EN). Depending on the logic level on these pins, the multiplexer/demultiplexer can be set to one of eight channels. When EN = High (1), the multiplexer/demultiplexer is disabled and the output is high-impedance. When EN = Low (0), two single-pole, three-throw (SP3T) switches are enabled, enabling connection or disconnection of up to two signals in one operation.
Conclusion
MAX333AEWP+T is a dual 3-in multiplexer/demultiplexer designed for a variety of applications, including multiplexing, data rate conversion, gain switching, and level setting, where isolation amplifiers are needed. It offers lower on-resistance and faster switching speed, making it an ideal choice for many analog applications. Its digital control line enables a range of connection/disconnection operations and is suitable for high-speed multiplexing, such as in mobile and portable medical instruments.

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