HEF4952BT,112

Analog Switches, Multiplexers, Demultiplexers Overview

The HEF4952BT,112 is a dual 3-channel analog multiplexer/demultiplexer with supplementary switches and common select logic. It operates within an industrial temperature range of −40 °C to +85 °C. The device supports supply voltages (VDD) from 5 V to 15 V and negative supply (VEE) down to -15 V. Static characteristics include input leakage current up to ±1.0 μA at 85 °C and OFF-state leakage up to 200 nA. ON resistance ranges from 45 Ω to 365 Ω depending on input voltage. Dynamic performance features propagation delays between 2 ns and 36 ns, with switching times up to 100 ns.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Dual 3-channel analog multiplexing with supplementary switch functionality
• Schmitt-trigger action at control inputs for noise immunity
• Fully static operation suitable for low-power applications
• Industrial temperature range compliance (-40 °C to +85 °C)

Analog Switches, Multiplexers, Demultiplexers Applications

• Industrial signal processing systems
• Analog multiplexing and demultiplexing circuits
• Digital multiplexing and demultiplexing tasks
• Signal gating applications

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the specific ordering suffix '112' against the manufacturer's current catalog to confirm packaging details and availability status. Ensure the component meets RoHS compliance requirements for the intended market. Confirm that the SO16 package variant aligns with PCB layout constraints. Check for any recent product change notices or end-of-life announcements directly from NXP Semiconductors before finalizing procurement plans.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component when dual independent 3-channel switching is required with shared control logic. Consider the ON resistance variation based on input voltage levels for precision analog paths. Verify that the supply voltage range (5 V to 15 V) matches the system design. Ensure the Schmitt-trigger inputs are utilized to handle noisy digital control lines effectively in industrial environments.

Analog Switches, Multiplexers, Demultiplexers Part Context

The HEF4952B series belongs to NXP's standard CMOS logic family, designed for general-purpose analog and digital switching. It complements other multiplexer variants like the HEF4052 by offering a specific 3-channel configuration with additional supplementary switches. This part is widely used in legacy and modern industrial designs requiring robust analog signal routing.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

Check for direct pin-compatible alternatives such as the HEF4952BTT-Q100 if automotive qualification is needed. Verify functional equivalence regarding ON resistance and leakage currents when substituting with generic CMOS analog switches. Ensure the replacement supports the same SO16 package dimensions.