Ag1170 Ringing SLIC with DC-DC converter
The world’s first +3.3V only ringing SLIC. Also available as a +5V version, Ag1170 has a built in DC-DC converter to generate all of the tricky telecom and ringing voltages on board – all from a single +3.3V (or +5V) supply. Ag1170 is available in SIL or DIL formats, ideal for VoiP applications.
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Overview
The world’s first +3.3V only ringing SLIC. Also available as a +5V version, Ag1170 has a built-in DC-DC converter to generate all of the tricky telecom and ringing voltages onboard – all from a single +3.3V (or +5V) supply. Ag1170 is available in SIL or DIL formats, ideal for VoiP applications.
Features
600R and Programmable impedance options
Very small SIL and DIL package options
Very Simple integration
On-board ringing generator
Integral high-efficiency DC/DC converter, providing:
Ringing voltage and Loop current
Single supply voltage (3.3v or 5v option)
Tip/Ring polarity reversal
Simplified protection
Specifications for Ag1170 Ringing SLIC with DC-DC converter
Output Voltage | 3.3V or 5V |
Impedance | 600Ω or Programmable |
PSTN Package | SIL or DIL |
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Application Note
Impedance Programming the Ag1170P
Modem Interface using Ag2120 and Ag1170
Ag1170P - 4 Programmable Termination Impedances
Interfacing Ag1170 to Zarlink MT91L62
Interfacing Ag1170 to AK2304
Ag1170 – Meter Pulse Interface
Ag1170 Power Down Control
Modem Interface using Ag1170 and Ag2120
Dual Layout of Ag2120S & Ag1170S
Power Down and Synchronisation of Ag1170
Design Considerations during Power Up of Ag1170
Interfacing Ag1170 to CMX602
Interfacing Ag1170 to AK2306 Dual Codec
Ag1170P - 8 Programmable Termination Impedances
Power supply connection for Ag1170
Ag1170 Simple Power Down Circuit
Ag1170 Ringing Performance
The Silvertel Ag1170 is a single Subscriber Line Interface Circuit (SLIC) in a 14 pin single inline (SIL) or 21 pins dual inline (DIL) format. The combination of features and packaging offers extremely efficient use of board area, saving significant system size and cost, minimizing time to the market for Telephony Systems developers. The Ag1170 has been designed to work with loop lengths of typically 3.0km (800Ω including telephone). Its performance to regulatory standards (G712) allows use in public and private network applications. The Ag1170 has an integral dc/dc converter and ringing generation thus providing all the line powering requirements from a single supply. The SLIC requires a minimum of external components. The system interface has been designed for direct connection to popular codecs, for both audio and signaling The Ag1170 is ideal for low line count, short loop length applications, such as ISDN Terminal Adaptors, Internet Telephony (VoIP), Computer Telephony Integration (CTI), Wireless Local Loops (WLL) and Small Office Home Office (SOHO).
Features
A highly featured low-power SLIC in a 14 pin SIL or 21 pin DIL format.
Integral high-efficiency DC/DC converter. Single +5V or +3.3V supply voltage.
Highly integrated with an onboard ringing generator.
Tip/Ring polarity reversal. On-Hook Transmission for caller line ID.
Line and balance impedance programmable with external components (on Ag1170-P version)
Easy to use, with a minimum number of external components.
Simplified protection in “on-premise” applications.
Silvertel “design-in” assistance.
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