Global Serial Interface Direct Access Arrangement

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The Si3010 is an integrated direct access arrangement (DAA) with a programmable line interface to meet global telephone line requirements. Available in two 16-pin small outline packages, it eliminates the need for an analog front end (AFE), isolation transformer, relays, opto-isolators, and a 2- to 4-wire hybrid. The Si3010 dramatically reduces the number of discrete components and cost required to achieve compliance with global regulatory requirements. The Si3010 interfaces directly to standard modem DSPs.

• V.92 modems
• Voice mail systems
• Multi-function printers
• Set-top boxes
• Fax machines
• Internet appliances
• Personal digital assistants

Symmetry Electronics is an authorized Silicon Labs distributor.


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Programmable line interface
AC termination
DC termination
Ring detect threshold
Ringer impedance
80 dB dynamic range TX/RX paths
Integrated codec and 2- to 4-wire hybrid
Integrated ring detector
Type I and II caller ID support
Line voltage monitor
Loop current monitor
Polarity reversal detection
Programmable digital gain
Clock generation
Pulse dialing support
Overload detection
3.3 V power supply
Direct interface to DSPs
Serial interface control for up to eight devices
>5000 V isolation
Proprietary isolation technology
Parallel handset detection
+3.2 dBm TX/RX level mode
Programmable digital hybrid for near-end echo reduction
Low-profile SOIC packages
Lead-free/RoHS-compliant packages available


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Silicon Labs Datasheet

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