ZL49031DCE1

Overview

The ZL49031DCE1 is a dual-pair DTMF receiver integrated circuit manufactured by Microchip Technology. It operates within a supply voltage range of 2.7V to 5.5V and supports frequencies up to 3.58MHz. The device is housed in an 18-pin SOIC package with a body width of 7.50mm. It provides digital outputs for decoded tone pairs, facilitating direct interface with microprocessors or logic circuits for telephone and communication system applications.

Feature Summary

• Integrated dual-pair DTMF decoding capability for simultaneous tone detection
• Digital output interface compatible with standard logic families
• Operates across a wide industrial temperature range

Applications

• Telephone exchange systems
• VoIP gateway devices
• Automated attendant equipment

Procurement Notes

Verify the specific suffix 'E1' against the manufacturer's current datasheet to confirm pinout and packaging details. Ensure compatibility with existing board layouts regarding the 18-SOIC footprint. Confirm RoHS compliance status through official documentation before finalizing procurement orders.

Selection Notes

Select this component when dual-pair DTMF reception is required in compact designs. Consider the 18-SOIC package constraints for PCB space. Evaluate power supply requirements against the specified voltage range. Compare performance metrics with alternative single-pair receivers if only one tone pair is needed.

Part Context

This part belongs to the ZL49031 series of DTMF receivers from Microchip Technology. It is designed for reliable tone detection in communication infrastructure. The series offers variations in packaging and operating conditions to suit different deployment environments.

Replacement Considerations

ZL49031DCF1 is a documented variant within the same family. Verify functional equivalence and pin compatibility before substitution.