Single-Channel SLIC Voice Chip

Product Overview

The AS1630A chip is a single-channel SLIC device with a 3-wire SSI input/output 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 CPEs

Technical Indicators

Main Features
Basic Functions and Communication	Borscht Function
	Supports SLIC API
	3-wire Integrated Serial Interface (SSI)
	Supports 3.3V I/O Voltage
	A-Law/µ-Law Companding, Linear PCM
Operating Voltage	3.3 V Operating Voltage
	Maximum negative supply voltage VBAT can reach -100 V
	Integrated flexible tracking DC-DC controller, supporting capacitor boost configuration
Package	Complete FXS solution package in a 4 × 6mm footprint
Package	Lead-free/RoHS-compliant package
Programmability	Supports programmability
	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
	DTMF signal generation
	DTMF detection
	Idle Transmission
	Smooth Polarity Reversal
	Hybrid Balance

Related News

Oct. 28, 2025

Core Select Products | Crystal Oscillators: The Hidden "Intelligent" Power of Industrial Control

At the world's first humanoid robot games, every precise turn and every flawless coordination showcased the latest breakthroughs in industrial intelligence. Behind these astonishing technological feats lies a beating heart: an industrial-grade crystal oscillator.

Learn More +

Oct. 28, 2025

Chip Express | SYNC's Domestic Atomic Clock: How a "Chinese Chip" Precision Drives the Internet of Everything Era?

CNOOC recently successfully overcame the world-class challenge of developing offshore reef limestone oil fields. This breakthrough was achieved thanks to SYNC's chip-based atomic clocks, which provide high-precision time and frequency support for its submarine exploration equipment.

Learn More +

Oct. 28, 2025

The Importance of Time Synchronization Servers in the Financial Sector

With the continuous advancement of technology, the financial industry is undergoing a continuous digital transformation. In this process, the application of time synchronization technology has become particularly important. As an efficient and reliable time synchronization device

Learn More +

E - Mail

sales@zjsaisi.com

Call Me

+86 152 6830 7576

Add.

No. 1376, Shunze Road, Nanhu District, Jiaxing City, Zhejiang Province