Dual-Channel SLIC Voice Chip

Product Overview

The AS2630A chip is a dual-channel SLIC device with a 4-line PCM and 4-line SPI digital interface. It provides all the SLIC, codec, and DTMF detection functions required for a complete analog telephone interface.

Typical Application Scenarios:

VoIP Gateways and Routers

xDSL IADs

Optical Network Terminals/Units (ONTs/Us)

Analog Terminal Adapters (ATAs)

Private Branch Exchanges (PBXs)

Cable eMTAs

Wireless Fixed Terminals (WFTs)

Wireless Local Loops (WLLs)

WiMAX CPEs

VoIP MDU Gateways

Technical Indicators

Main Features
Basic Functions and Communication	Borscht Function
	Supports SLIC API
	4-wire integrated serial interface (PCM)
	4-wire communication interface (SPI)
	Supports 3.3V I/O voltage
	A-Law/µ-Law companding, linear PCM
Operating Voltage	3.3 V Operating Voltage
	Maximum Negative Supply Voltage Up to -110 V
	Integrated Flexible Tracking DC-DC Controller Supports Capacitor-Boost Configuration
Package	6 × 8 mm Dual-Path Complete FXS Solution Package
Package	Lead-Free/RoHS-Compliant Package
Programmability	Supports Programmability
	Software Programmable Parameters
	Adjustable ring frequency, amplitude, ring interval, and waveform shape
	Low-power ringing
	Adaptive ringing
	Ringing current limit
	DC current loop feed (10-45 mA)
Other Features and Functions	Suitable for short/medium loop applications
	Ultra-low power consumption
	DTMF signal generation
	DTMF detection
	On-hook transmission
	Smooth polarity reversal
	Easy configuration and diagnostics
	Two-wire AC impedance
	Integrated test load
	Audio diagnostics with loopback
	Loop closure and ring trip thresholds
	Mixed Balance

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