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[Silicon Laboratories]

Description

The Si306x is an integrated direct access arrangement (DAA) with a programmable line interface to meet global telephone line interface requirements. Available in a 16-pin small outline package, it eliminates the need for an analog front end (AFE), an isolation transformer, relays, opto-isolators, and a 2- to 4-wire hybrid. The Si306x dramatically reduces the number of discrete components and cost required to achieve compliance with global regulatory requirements. The Si306x interfaces directly to a Silicon Laboratories integrated DAA system-side module.

Features

Complete DAA includes the following:

■ 80 dB dynamic range TX/RX paths to support up to V.92 modem speeds

■ Programmable line interface

● AC termination

● DC termination

● Ring detect threshold

● Ringer impedance

■ Integrated codec and 2- to 4-wire analog hybrid

■ Integrated ring detector

■ Pulse dialing support

■ Billing tone detection

■ Overload detection

■ > 5000 V isolation

■ Proprietary isolation interface to integrated DAA module

■ Line voltage monitor

■ Loop current monitor

■ Caller ID support

■ Low-profile SOIC available in leadfree/ROHS-compliant packages

Applications

■ V.92 soft modems

■ PDAs

■ Set-top boxes

■ Fax machines

■ POS terminals

■ Multi-function Printers