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CPC75282 Datasheet(PDF) 1 Page - Clare, Inc. |
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CPC75282 Datasheet(HTML) 1 Page - Clare, Inc. |
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1 / 19 page  DS-CPC75282 - R00D www.clare.com 1 Features • Improved Switch dV/dt Immunity of 1500V/ μs • Smart logic for power-up/hot-plug state control • Small 44-pin TQFP Package • Monolithic IC reliability • Low, matched R ON • Eliminates the need for zero-cross switching • Flexible switch timing to transition from ringing mode to talk mode. • Clean, bounce-free switching • Tertiary protection consisting of integrated current limiting, voltage clamping, and thermal shutdown for SLIC protection • 5V operation with very low power consumption • Intelligent battery monitor • Latched logic-level inputs, no external drive circuitry required Applications • VoIP Gateways • Central Office (CO) • Digital Loop Carrier (DLC) • PBX Systems • Digitally Added Main Line (DAML) • Hybrid Fiber Coax (HFC) • Fiber In The Loop (FITL) • Pair Gain System • Channel Banks Description The CPC75282 Dual Line Card Access Switch (LCAS), a member of Clare’s next generation Line Card Access Switch family, is a monolithic solid state device that provides the switching functionality of four 2-Form-C relays in a single, small, economical package. The CPC75282 Dual LCAS device is designed to provide ringing and test access to the telephone loop in Central Office, Digitally Added Main Line, Private Branch Exchange, Digital Loop Carrier, and Hybrid Fiber Coax/Fiber-In-The-Loop analog line card applications. Test access switches provide access to the telephone loop for line (drop) test or message waiting in the PBX application. Ordering Information Figure 1. CPC75282 Block Diagram Part # Description CPC75282KATR 44-Pin TQFP, Tape & Reel (1000/Reel) 1/2 - CPC75282 (Channel 1) X X X X X X Switch Control Logic L A T C H OFF 1 OFF 2 TSD 1 TSD 2 LATCH 1 LATCH 2 P1 P3 P2 CFG D GND V DD F GND1 V BAT Battery Monitor SW6 SW4 SW3 SW5 SW1 SW2 CH1 CH2 T BAT1 R BAT1 T LINE1 R LINE1 T TEST1 R TEST1 T RINGING1 R RINGING1 37 38 36 34 30 33 21 22 14 15 16 17 18 28 6 19 20 27 24 8,26 11,23 9,25 RoHS 2002/95/EC e3 Pb CPC75282 Line Card Access Switch |
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