MAX4545CAP

Analog Switches - Special Purpose Overview

The MAX4545CAP is a quad, low-voltage, bidirectional RF/video switch manufactured by Analog Devices Inc./Maxim Integrated. It contains four normally open single-pole/single-throw (SPST) switches in a 20-pin SSOP package. The device operates with dual supplies from ±2.7V to ±6V or a single supply from +2.7V to +12V. Key electrical parameters include a -3dB bandwidth of 300MHz, maximum on-resistance of 20Ω at ±5V, and off-isolation of -80dB at 10MHz. It features TTL/CMOS-compatible logic inputs and operates within a temperature range of 0°C to +70°C.

Analog Switches - Special Purpose Feature Summary

• Bidirectional signal switching capability for RF and video applications
• High-frequency performance with 300MHz bandwidth and -80dB isolation
• Low on-resistance with excellent matching and flatness characteristics
• TTL and CMOS logic compatibility across specified supply voltages

Analog Switches - Special Purpose Applications

• RF Switching
• Video Signal Routing
• High-Speed Data Acquisition
• Test Equipment
• ATE Equipment

Analog Switches - Special Purpose Procurement Notes

Verify the specific suffix 'CAP' against official documentation to confirm the 20-pin SSOP package and commercial temperature range. Ensure that the ordering information matches the required pin configuration and thermal specifications for your design implementation.

Analog Switches - Special Purpose Selection Notes

Select this component when a quad SPST switch configuration is required for high-frequency signal routing. Consider the ±5V optimized performance for best linearity and speed. Evaluate board layout requirements for ground planes to maintain specified isolation and crosstalk performance.

Analog Switches - Special Purpose Part Context

The MAX4545 is part of the MAX4545/MAX4546/MAX4547 family of low-voltage T-switches. While the MAX4546 offers dual SPST configurations and the MAX4547 provides dual SPDT switches, the MAX4545 specifically integrates four independent SPST channels in a single package for versatile multiplexing applications.

Analog Switches - Special Purpose Replacement Considerations

Direct substitutes within the same family include the MAX4546 and MAX4547, though they offer different switch topologies. Verify pinout compatibility and functional differences before substitution.