MAX4534ESD

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• Introduction
  • The MAX4534ESD is an automatic or manual analog switch or multiplexer-demultiplexer designed to function both as a general-purpose switch and as an on-air switch multiplexer and demultiplexer. It is designed to switch analog, digital, and other signals with extremely low interference, power consumption, and high isolation. This device is available in 8- and 24-pin package options, and operates over a wide temperature range of -40°C to +85°C.
• ApplicationFields
  • The MAX4534ESD can be used in a variety of communication applications, including wireless, cable and satellite transmission, and radio and television broadcast. It can be used in digital TV receivers, satellite receivers and controllers, ISDN applications, and wired local area networks. It is also suitable for use in consumer and industrial audio applications, industrial monitoring systems, and other audio multiplexers.
• Working Principle
  • Analog switches have a switching threshold determined by a reference voltage, typically 2.5V. When the input signal is below this reference voltage, the switch is closed; when the input voltage is above the reference voltage, the switch is open. In manual operation, the switch is closed by an externally applied voltage; in automatic operation, the switch is closed by an internally generated voltage.
  • In applications such as multiplexers, the MAX4534ESD uses an input multiplexer with two switchable channels to open or close various paths. Each channel uses one switch element that is controlled by a multiplexer control input. The two switch elements are then combined to form an analog multiplexer with two output signals that are either open or closed according to the logic level of the multiplexer control input.
  • In applications such as a demultiplexer, the MAX4534ESD has two switch elements that are connected in parallel to form a single analog demultiplexer with two inputs and four output signals. The two switch elements are then controlled by the multiplexer control input, allowing the two inputs to be selected in a manner similar to a multiplexer.
• Features
  • The MAX4534ESD offers high on-state resistance, low on-state resistance drift, and high isolation capability. It also has a low power consumption, with typical power dissipation of 20mW in single-ended operation and 40mW in differential operation. Its low noise and interference levels ensure reliable signal integrity, with high levels of SNR and crosstalk at higher frequencies.
• Conclusion
  • The MAX4534ESD is a versatile on-air switch multiplexer-demultiplexer ideal for multiple communication applications. It is robust and reliable, designed to handle a wide range of temperatures and signals with low power consumption and high isolation capabilities, making it an ideal choice for a variety of applications.

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