AS1630B

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

Main Applications:

Technical Indicators

Main Features
Basic Functions and CommunicationBorscht 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 Voltage3.3 V Operating Voltage
Maximum Negative Supply Voltage Up to -110 V
Integrated Flexible Tracking DC-DC Controller Supports Capacitor-Boost Configuration
PackageComplete FXS Solution in a 5 × 7 mm Package
Lead-Free/RoHS-Compliant Package
ProgrammabilitySupports 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 FunctionsSuitable 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

Related News

What is a TCXO? What are its functions?

Oct. 28, 2025

What is a TCXO? What are its functions?

In the manufacturing of electronic devices, the crystal oscillator is an indispensable component. Especially the Temperature-Compensated Crystal Oscillator (TCXO), which is widely used in many devices. So, what are the functions of a TCXO? This article will provide a detailed introduction from the following aspects.

Learn More +
Functional Analysis of Time Synchronization Server for Schools

Oct. 28, 2025

Functional Analysis of Time Synchronization Server for Schools

In the modern technological environment, time synchronization is an essential service. Especially in school settings, accurate time management is crucial for the smooth conduct of teaching activities. This is where the time synchronization server for schools plays its role. So, what functions does a school time synchronization server have? This art

Learn More +
Introduction to the Working Principle of CPT Atomic Clocks

Oct. 28, 2025

Introduction to the Working Principle of CPT Atomic Clocks

CPT Atomic Clock, which stands for Coherent Population Trapping Atomic Clock, is a major innovation in the field of modern technology. Based on fundamental principles of atomic physics, it demonstrates enormous potential and application prospects in precision timing, scientific research, and navigation and positioning. This article will elaborate i

Learn More +
Key Features of TCXO Crystal Oscillators

Oct. 28, 2025

Key Features of TCXO Crystal Oscillators

TCXO (Temperature Compensated Crystal Oscillator) automatically adjusts frequency to maintain stability across temperature changes, making it essential for precision applications like satellite navigation and communications.

Learn More +
Introduction to the Working Principle and Application Scenarios of TCXO

Oct. 28, 2025

Introduction to the Working Principle and Application Scenarios of TCXO

A Temperature-Compensated Crystal Oscillator (TCXO) is a type of crystal oscillator that enhances frequency stability through temperature compensation technology. Its core feature is the ability to automatically adjust the output frequency according to changes in ambient temperature, thereby ensuring the precision of clock signals. Compared with st

Learn More +
How to Select Different Crystal Oscillator Packages?

Oct. 28, 2025

How to Select Different Crystal Oscillator Packages?

In the design of electronic devices, crystal oscillators serve as core components of clock sources, and their performance directly impacts the stability and reliability of the system. However, faced with a wide array of crystal oscillator package types on the market, many engineers often feel confused when making a selection. Different package form

Learn More +
Composition and Functions of a Clock System

Oct. 28, 2025

Composition and Functions of a Clock System

In modern society, clock systems are ubiquitous, and their accuracy and reliability are crucial for both daily life and industrial activities. A standard clock system consists of multiple sophisticated components, each playing an indispensable role. This article will delve into the various components of a clock system and their functions, revealing

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

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 +
Components of an NTP Time Server

Oct. 28, 2025

Components of an NTP Time Server

NTP (Network Time Protocol) time servers play a critical role in modern networks. By providing precise time synchronization services, they ensure time consistency across different systems and devices. This article details the key components of an NTP time server, helping readers gain a better understanding of its working principles and functions.

Learn More +

Related products

AS1630A

AS1630A

Single-Channel SLIC Voice Chip

Call Me

+86 173 6733 7390

Add.

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