MAX351CSE+T

Switch Time (Ton, Toff) (Max):	175ns, 145ns
Base Part Number:	MAX351
Supplier Device Package:	16-SO
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Operating Temperature:	0°C ~ 70°C (TA)
Crosstalk:	-85dB @ 1MHz
Current - Leakage (IS(off)) (Max):	250pA
Channel Capacitance (CS(off), CD(off)):	9pF, 9pF
Charge Injection:	5pC
-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):	35 Ohm
Number of Circuits:	4
Multiplexer/Demultiplexer Circuit:	1:1
Switch Circuit:	SPST - NC
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

MAX351CSE+T is a Complementary Metal Oxide Semiconductor(CMOS) analog switch, multiplexer (MUX), and demultiplexer (DMUX). It can replace a large number of conventional Analog Switches, Multiplexers, and Demultiplexers that makes MAX351CSE+T one of the most popular interface devices. This article will discuss the application field and working principle of MAX351CSE+T.

Application Field

MAX351CSE+T is widely used in various applications, such as A/D converters, test equipment, programmable gain amplifiers (PGAs), switches, and receiver preamplifiers. In A/D converters, MAX351CSE+T can switch analog signals quickly for sampling and reducing the complexity of the control logic. Additionally, in test equipment, MAX351CSE+T can be used to test and switch between multiple input signals. Moreover, MAX351CSE+T also has the ability to switch between programmable gain amplifiers (PGAs) for system optimization. In addition, for receiver preamplifiers, MAX351CSE+T provides low power and low-Voltage switches.

Working Principle

MAX351CSE+T works as an analog switch which can quickly switch between different input signals. This analog switch can be operated in Sign-Magnitude (SM) or Positive/inverted (P/I) mode, where the switching logic can be operated in either high-speed or low-power mode. In SM mode, MAX351CSE+T works as a single pole-double throw switch that switches between two inputs. In P/I mode, MAX351CSE+T switches between the positive and inverted signals of the same input.Moreover, MAX351CSE+T also works as a multiplexer (MUX) or demultiplexer (DMUX). In MUX mode, MAX351CSE+T can switch between multiple input signals depending on the select pin output signals. In DMUX mode, MAX351CSE+T can be used to divide the input signal into multiple outputs that are dependent on the select pin output signals.

Conclusion

MAX351CSE+T can be used for a wide range of applications, from A/D converters to testing equipment and receiver preamplifiers. This interface device is able to act as an analog switch, multiplexer, or demultiplexer depending on the user\'s needs. The analog switch can operate in Sign-Magnitude (SM) or Positive/inverted (P/I) mode depending on the application, while the MUX and DMUX modes are dependent on the select pin output. By effectively using MAX351CSE+T, it is possible to reduce the complexity of the control logic, optimize system performance, and reduce the overall power consumption.

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