MAX4534CSD

Analog Switches, Multiplexers, Demultiplexers Overview

The MAX4534CSD is a single 4-to-1 fault-protected multiplexer housed in a 14-pin Narrow SO package. It operates with dual supplies from ±4.5V to ±20V or a single supply from +9V to +36V, covering an operating temperature range of 0°C to +70°C. The device features a maximum on-resistance of 400 Ω and channel-to-channel matching of 10 Ω max. It provides ±40V overvoltage protection when powered off and ±25V protection when powered on. Key electrical parameters include a typical fault response time of 20ns, charge injection of 10pC, and off-isolation of -62dB at 1MHz.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Fault-protected analog inputs handle signals exceeding supply rails without damage
• Rail-to-rail signal handling capability for full dynamic range operation
• TTL/CMOS-compatible logic inputs ensure direct interface with standard digital logic
• No power-supply sequencing required for safe system startup

Analog Switches, Multiplexers, Demultiplexers Applications

• Data-acquisition systems
• Industrial and process control
• Avionics signal routing
• Redundant and backup systems

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the specific suffix 'CSD' corresponds to the 14-pin Narrow SO package and the commercial temperature range (0°C to +70°C). Confirm that the ordering information matches the manufacturer's current datasheet revision, as packaging options may vary between C, E, and other suffixes. Ensure compatibility with the intended voltage supply configuration before procurement.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component when high-voltage fault protection is required on multiplexer inputs. The MAX4534 offers a single 4-to-1 configuration, whereas the MAX4535 provides a dual 2-to-1 topology. Consider the 400 Ω maximum on-resistance and 10 ns enable times for bandwidth requirements. Verify that the COM_ pin load does not exceed the absolute maximum current ratings during fault conditions.

Analog Switches, Multiplexers, Demultiplexers Part Context

This part belongs to the MAX4534/MAX4535 family of fault-protected, high-voltage multiplexers manufactured by Maxim Integrated (now Analog Devices Inc.). The family distinguishes itself through parallel FET construction for low resistance and robust overvoltage clamping. The MAX4534 specifically addresses applications requiring a single four-channel switch with integrated protection against transient voltages.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

Public confirmed substitutes include MAX4534CPD, MAX4534EUD, and MAX4535 variants. Verify package dimensions and thermal characteristics when substituting between SO, TSSOP, and DIP packages. Ensure the replacement maintains the same fault protection voltage ratings and logic threshold compatibility.