News Release from: Clare
Edited by the Electronicstalk Editorial Team on 21 March 2005
Line interface aids international exchange
The CPC5622A is the newest member of the Litelink III phone line interface IC family for direct access arrangements in telephony applications.
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The CPC5622A is the newest member of the Litelink III phone line interface IC family for direct access arrangements (DAAs) in telephony applications. Litelink products are used extensively in foreign exchange office (FXO) ports for IP-PBXs and voice over internet protocol (VoIP) gateways as well as modem equipment. The latest Litelink III device features simultaneous phone line ringing detect and caller-ID (CID) monitoring which greatly simplifies DAA designs particularly for international telephony applications.
In addition, the CPC5622A offers both half-wave and full-wave ringing detect outputs to support most codec and DSP devices.
Telephony systems in specific countries around the world need to detect CID information before a ringing signal is transmitted which in the past required additional discrete components.
Internal CID and ringing detect circuitry on the CPC5622A eliminates the need for these components providing an immediate cost saving per telephone line.
'The CPC5622A offers the best set of DAA features for meeting the demands of the high growth, international telephony FXO market', said Steve Andrezyk, Clare Director of Marketing.
He added: 'The additional control features to handle country specific CID and ringing requirements helps OEMs reduce costs and board space real estate which is particularly important in multichannel designs'.
Litelink, which is the world's only single IC package data access arrangement has been used in numerous products from embedded modem applications to internet telephony gateways and foreign exchange offices (FXOs).
The internal optical barrier of the device separating the phone-line side from the host-side has provided end-users with a low noise, low distortion DAA that meets international regulatory requirements.
The increased 3000V RMS isolation barrier further enhances the surge robustness of Litelink -based OEM equipment.
Clare's Litelink III offers a broad feature set including high-voltage isolation, proper AC and DC phone line terminations, two- to four-wire hybrid function, on-hook and off-hook detection, caller ID and ring detect circuitry.
The CPC5622A Litelink III device is now available in sample and production quantities.
For OEM quantities of 10,000 units, the device is $2.41 with standard lead-time of six weeks after receipt of order.
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