73M1903C Datasheet Modem Analog Front End

Manufacturer: Teridian Semiconductor

Overview: 73M1903C Modem Analog Front End Simplifying System IntegrationTM DS_1903C_033.

73M1903C modem analog front end by Teridian Semiconductor - Datasheet Preview

Datasheet Details

Part number	73M1903C
Manufacturer	Teridian Semiconductor
File Size	927.47 KB
Description	Modem Analog Front End
Download	73M1903C Download (PDF)

General Description

The 73M1903C Analog Front End (AFE) IC includes fully differential hybrid driver outputs, which connect to the telephone line interface through a transformerbased DAA.

The receive pins are also fully differential for maximum flexibility and performance.

This arrangement allows for the design of a high performance hybrid circuit to improve signal to noise performance under low receive level conditions, and compatibility with any standard transformer intended for PSTN communications applications.

Key Features

of the device include an input reference frequency circuit, which accepts a range of crystals from 4.9-27 MHz. It also accepts external reference clock values between 1 MHz and 40 MHz generated by the host processor. In most.

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