Product Overview
The AS2630B chip is a dual-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)
Private Branch Exchanges (PBXs)
Cable eMTAs
Wireless Fixed Terminals (WFTs)
Wireless Local Loops (WLLs)
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 up to -110 V | |
| Integrated flexible tracking DC-DC controller supporting capacitor boost configuration | |
| Package | 7×7 mm dual-channel complete FXS solution 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 | |
| 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 | |
| Hybrid Balancing | |
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