SI3016-F-FS

Overview

The Si3016-F-FS is a 3.3 V enhanced global direct access arrangement (DAA) line-side device manufactured by Silicon Laboratories Inc. It integrates an analog front end, isolation barrier, and hybrid into a single 16-pin SOIC package to replace discrete components. The device supports programmable AC/DC termination for global compliance, including FCC and CTR21 standards. Key electrical parameters include a dynamic range of up to 84 dB, transmit/receive levels of -1 dBm or +3.2 dBm, and operation with 3.3 V or 5 V supplies. It interfaces directly with system-side processors via a serial link.

Feature Summary

• Integrated Direct Access Arrangement (DAA) eliminating the need for external analog front ends, isolation transformers, relays, opto-isolators, and hybrids.
• Programmable line interface supporting multiple DC and AC termination modes to meet international regulatory requirements such as FCC and CTR21.
• Proprietary capacitive isolation technology providing high-voltage isolation without signal degradation from capacitor mismatches.
• Built-in support for caller ID, pulse dialing, billing tone detection, and parallel handset detection.

Applications

• V.90 modems
• Voice mail systems
• Set-top boxes
• Fax machines
• Internet appliances

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure correct packaging and temperature grade. Confirm that the host processor meets the required specifications for the integrated system-side DAA module. Check for RoHS compliance status if environmental regulations apply to the final assembly.

Selection Notes

Select this component when designing telephone line interfaces requiring global regulatory compliance with minimal discrete component count. Ensure the system-side module supports the necessary serial communication protocol. Verify that the application environment falls within the specified operating temperature ranges for the chosen grade.

Part Context

The Si3016 is part of Silicon Laboratories' integrated DAA family, designed to simplify telephone line interface designs. It works in conjunction with a system-side interface device to provide complete line-side functionality. This integration significantly reduces board space and cost compared to traditional discrete DAA solutions.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Designers should consult the manufacturer's official replacement guide or contact technical support for validated alternatives.

FAQ

How does the Si3016 achieve isolation?

It uses proprietary capacitive isolation technology combined with low-cost, high-voltage capacitors and signal processing techniques to eliminate signal degradation and common-mode interference.

What power supply options are supported?

The device supports both 3.3 V and 5 V power supplies. When on-hook, it draws power across the isolation link from the system-side module; when off-hook, it draws power from the 2-wire line.

Can the Si3016 detect parallel handsets?

Yes, it can detect parallel handsets going off-hook by monitoring loop current drops via the LVCS bits or detecting significant drops in line voltage when on-hook.