AS1630A

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

Main Applications:

Technical Indicators

Main Features
Basic Functions and CommunicationBorscht Function
Supports SLIC API
3-wire Integrated Serial Interface (SSI)
Supports 3.3V I/O Voltage
A-Law/µ-Law Companding, Linear PCM
Operating Voltage3.3 V Operating Voltage
Maximum negative supply voltage VBAT can reach -100 V
Integrated flexible tracking DC-DC controller, supporting capacitor boost configuration
PackageComplete FXS solution package in a 4 × 6mm footprint
Lead-free/RoHS-compliant package
ProgrammabilitySupports 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 functionsSuitable for short/medium loop applications
Ultra-low power
DTMF signal generation
DTMF detection
Idle Transmission
Smooth Polarity Reversal
Hybrid Balance

Related News

Time Calibration Server: The Guardian of Precise Timing in Financial Transactions

Oct. 28, 2025

Time Calibration Server: The Guardian of Precise Timing in Financial Transactions

Imagine a multi-million-dollar high-frequency trade failing due to a time stamp difference of just a few milliseconds — this could trigger a chain reaction, causing market volatility and even legal disputes. In the financial sector, every second is invaluable, and the Time Calibration Server is the unsung hero preventing such disasters. It ensure

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 +
BITS Synchronization Platform: The Unseen Backbone Powering Modern Digital Infrastructures

Oct. 28, 2025

BITS Synchronization Platform: The Unseen Backbone Powering Modern Digital Infrastructures

In the era of all-IP networks and digital transformation, precise time synchronization is the invisible backbone of every call, financial transaction, grid operation and data interaction. As legacy networks shift to packet-based architectures and technologies like 5G and smart grids demand ultra-high timing accuracy, the Building Integrated Timing

Learn More +
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 +
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 +
Usage Characteristics of NTP Time Servers

Oct. 28, 2025

Usage Characteristics of NTP Time Servers

In the information age, precise time synchronization is crucial for numerous fields. As a widely adopted time synchronization protocol, the Network Time Protocol (NTP) provides accurate time services for global network devices through NTP time servers. This article elaborates on the core usage characteristics of NTP time servers, including reliabil

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 +
What Special Advantages Do Atomic Clocks Have Over Crystal Oscillators?

Oct. 28, 2025

What Special Advantages Do Atomic Clocks Have Over Crystal Oscillators?

Secondly, atomic clocks exhibit excellent stability. When crystal oscillators are subjected to external influences such as vibration and electromagnetic interference, their oscillation frequency is prone to changes, thereby affecting the accuracy of time measurement. Thanks to their working principle, atomic clocks have a high resistance to such ex

Learn More +
The Importance of Time Synchronization Servers in the Surveillance Field

Oct. 28, 2025

The Importance of Time Synchronization Servers in the Surveillance Field

In the modern information society, with the development and application of technology, various surveillance systems have been widely adopted across diverse sectors, including security, transportation, and healthcare. However, the role of time synchronization servers—the core component of these surveillance systems—is often overlooked. This pape

Learn More +

Related products

AS1630B

AS1630B

Single-Channel SLIC Voice Chip

Call Me

+86 173 6733 7390

Add.

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