The 73M1903-IM/F from Maxim Integrated is a highly integrated modem analog front-end (AFE) designed to provide a cost-effective, compact solution for a wide range of data communication applications. This AFE is particularly well-suited for embedded modem applications in point-of-sale terminals, utility meters, and fax machines, as well as for modem cards and integrated modem modules.

Key Features

• Integrated Analog Front-End: The 73M1903-IM/F includes a complete analog interface for telephone line modem applications, reducing the need for additional external components.
• Low Power Consumption: Designed for energy-efficient operation, this device supports low power modes, making it ideal for battery-powered devices.
• High Performance: With its advanced signal processing capabilities, the 73M1903-IM/F delivers reliable communication even in challenging line conditions.
• Programmable Line Interface: The device offers a programmable line interface to accommodate various global telephony standards, ensuring versatility and global applicability.
• V.22 bis Modem Support: It supports V.22 bis and lower protocols, providing data rates up to 2400 bps with automatic fallback for robust data communication.

Technical Specifications

• Supply Voltage: The 73M1903-IM/F operates at a single supply voltage, simplifying power supply design.
• Interface: The device features a serial interface for easy connection to microcontrollers and digital signal processors.
• Package: It is available in a compact, surface-mount package that is suitable for space-constrained applications.

Applications

The versatility of the 73M1903-IM/F allows it to be used in a variety of applications where reliable data transmission over telephone lines is required. Its robust design ensures that it can operate in diverse environments and meet the requirements of various end-use scenarios.

Ordering Information

The 73M1903-IM/F is available for order from Maxim Integrated and its authorized distributors. For detailed ordering and pricing information, please consult the Maxim Integrated website or contact their sales team directly.