Single-Channel SLIC Voice Chip

Product Overview

The AS1630B chip is a single-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)

Cable eMTAs

Wireless Fixed Terminals (WFTs)

Wireless Local Loops (WLLs)

WiMAX CPE

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 or 1.8V 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	Complete FXS Solution in a 5 × 7 mm 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
	Loop Closure and Ring Trip Thresholds
	Hybrid Balancing

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