ams-OSRAM AG Telecom AS2534UT

The AS2534UT is a CMOS integrated circuit designed for basic telephone applications. It features a line interface, speech circuit, dialler, and ringer, all integrated into a single 28-pin package. This device supports various dialing modes, including LD/MF dialing, and offers a last number redial function. It is available in multiple configurations, allowing for flexibility in memory options, with versions that include last number redial only or up to 12 direct memories. Key functionalities include electronic microphone mute, automatic line loss compensation, and a melody generator for ringer tones. The device operates efficiently within a current range of 5 mA to 100 mA, depending on performance requirements. The AS2534UT is suitable for applications requiring compliance with European EMI standards and can be mounted in either SOIC or chip-on-board formats. This product is ideal for engineers looking to implement basic telephone functionalities in their designs.