參數(shù)資料
型號(hào)： W671552Y
廠商： WINBOND ELECTRONICS CORP
元件分類(lèi)： 模擬傳輸電路
英文描述： TELECOM-SLIC, QCC32
封裝： 7 X 7 MM, 0.65 MM PITCH, QFN-32
文件頁(yè)數(shù)： 12/42頁(yè)
文件大小： 1230K
代理商： W671552Y
W671500 SERIES
1. GENERAL DESCRIPTION
The 5V family of Ringing Subscriber Line Interface Circuits (RSLIC), collected under the W671500
series, support interfacing to analog Plain Old Telephone Service (POTS) lines. On board ringing
generation supports short and medium loop lengths, up to 5,000 ft at the highest operating voltage of -
100V. This makes the devices are ideal for emerging customer premises equipment applications
such as VoIP gateways, VoIP enabled DSL or Cable Modems as well as Analog Telephone Adapters.
Furthermore the family contains seven different product variations, offering the flexibility to match
performance to individual system requirements. All variations, however, are distinguished by low
power consumption, particularly in standby modes.
The W671500 series allow extensive parameters to be programmed, including the loop current limit,
the transient loop current limit, Ring Trip and Switch Hook Detect thresholds. Integrated test and
diagnostic features are also offered on selected products to support loopback testing as well as line
measurement tests.
Winbond also offers a 5V A-Law/-Law CODEC’s (e.g. W6810).
Using these CODECs in
conjunction with the W671500 series completes the termination of the analog POTS line and provides
a cost-effective solution to support the complete BORSCHT feature requirements.
2. FEATURES
5V Operation
On board Ringing Generation
Low Standby Power Consumption (75V,
65mW)
Programmable Transient Current Limit
Low Idle Channel noise
Low External Component Count
Integrated MTU DC Characteristics
Silent Polarity Reversal
Balanced and Unbalanced Ringing
Thermal Shutdown with Alarm Indicator
Smooth Off Hook Performance
Pulse Metering and On-hook Transmission
Tip Open Ground Start Operation
Package Options: PLCC and reduced
footprint QFN
APPLICATIONS
Voice Over Internet Protocol (VoIP)
Cable Modems
Voice Over DSL (VoDSL) Modems
Short Loop Access Platforms
Remote Subscriber Units
IP PBX
Analog Terminal Adapters
Fiber to the Home (FTTH) equipment
- 2 -
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