MAX335EWG+T

Analog Switches, Multiplexers, Demultiplexers Overview

The MAX335EWG+T is a serial-controlled analog switch featuring eight independently controlled single-pole-single-throw (SPST) channels. It operates on dual power supplies ranging from ±4.5V to ±20V, supporting rail-to-rail analog signal swings up to ±15V. The device utilizes an SPI-compatible three-wire serial interface for data input and clocking. Key electrical parameters include a typical on-resistance of 100Ω with a maximum of 200Ω, off-isolation of 90dB, and channel-to-channel crosstalk of 100dB at 100kHz. The component supports a maximum serial clock frequency of 2.1MHz and functions within an industrial temperature range of -40°C to +85°C.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Eight individually addressable SPST switches managed via a serial shift register
• SPI-compatible three-wire digital interface allowing daisy-chaining capabilities
• Rail-to-rail analog signal handling with constant on-resistance across the signal range
• Power-up reset state ensures all switches remain in the off position

Analog Switches, Multiplexers, Demultiplexers Applications

• Serial data acquisition systems
• Process control instrumentation
• Avionics signal routing
• Networking equipment

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the specific suffix EWG+T against official manufacturer documentation to confirm the Wide SO package and lead-free status. Ensure the ordering code matches the required extended temperature range specifications. Cross-reference the component details with authorized distributor catalogs to validate current availability and authenticity before finalizing procurement plans.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component when space-constrained designs require multiple analog switches controlled by a limited number of microcontroller pins. The serial interface reduces pin count compared to parallel alternatives. Verify that the system voltage rails fall within the ±4.5V to ±20V operating range and that the logic supply aligns with the required TTL compatibility levels.

Analog Switches, Multiplexers, Demultiplexers Part Context

This part belongs to the MAX335 family of serial-controlled analog switches manufactured by Analog Devices Inc./Maxim Integrated. The family includes variants such as the MAX335CNG and MAX335EUG, which differ primarily in package type and operating temperature ranges. The MAX335 serves as a compact alternative to discrete switch matrices or parallel-controlled multiplexers.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

The datasheet notes that the MAX335 is functionally equivalent to two DG211 quad switches combined into a single serial-controlled unit. Designers replacing parallel-controlled switches should account for the necessary serial protocol implementation.