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CPC1466 Datasheet(PDF) 1 Page - Clare, Inc. |
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CPC1466 Datasheet(HTML) 1 Page - Clare, Inc. |
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1 / 15 page  DS-CPC1466 - R00B www.clare.com 1 CPC1466 Broadband ADSL/VDSL DC Termination IC Features • Meets wetting (sealing) current requirements per ITU-T G.991.2 • Integrated bridge rectifier for polarity correction • Uses inexpensive opto-coupler for DC sealing current monitoring • Electronic inductor, breakover, and latch circuits • Current limiting and excess power protection circuits • ADSL/VDSL compatible with low-pass filter network • MLT and SARTS compatible • Compatible with portable test sets • Small SOIC or Micro-Leadframe Package (MLP) • MLP package 60 percent smaller than SOIC Applications • ADSL/VDSL broadband modems • Router and bridge customer premises equipment • Leased line equipment • Mechanized Loop Test (MLT) networks • Switched Access Remote Test System (SARTS) networks Figure 1. CPC1466 Block Diagram Description The CPC1466 is a DC Termination IC for broadband ADSL/VDSL applications. The high-voltage, monolithic device provides a path for DC wetting (sealing) current in customer premises equipment (CPE) to eliminate phone line corrosion on DSL twisted-pair copper lines without telephone voice services (i.e. only broadband services). Internally, a bridge rectifier provides a polarity-insensitive DC termination for DSL loop sealing current. The IC includes an electronic inductor, break-over and latch circuits, current limit and excess power protection. A sealing current detect output provides the means to monitor the loop for the presence of sealing current in the loop. The CPC1466 is manufactured in Clare’s high voltage BCDMOS process that is used extensively in telephony applications worldwide. Ordering Information PR+ NC NC TIP RING NC NC PR- TC NC NC RS PD NC NC COM Current Limit and Excess Power Protection Electronic Inductor, Breakover, Latch, and Opto Driver Bridge Rectifier 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 Part Number Description CPC1466D DC Termination IC, 16-pin SOIC in tubes, 47/tube CPC1466DTR DC Termination IC, 16-pin SOIC tape and reel, 1000/reel CPC1466M DC Termination IC, 16-pin MLP in tubes, 52/tube CPC1466MTR DC Termination IC, 16-pin MLP tape and reel, 1000/reel |
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