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LUCL9216GGF-D Datasheet(PDF) 2 Page - Agere Systems |
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LUCL9216GGF-D Datasheet(HTML) 2 Page - Agere Systems |
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2 / 48 page  Preliminary Data Sheet September 2001 Short-Loop Ringing SLIC with Ground Start L9216A/G 2 Agere Systems Inc. Table of Contents Contents Page Introduction..................................................................1 Features ....................................................................1 Applications...............................................................1 Description ................................................................1 Features ......................................................................4 Description...................................................................4 Architecture Diagram...................................................7 Pin Information ............................................................8 Operating States .......................................................10 State Definitions ........................................................11 Forward Active ........................................................11 Reverse Active ........................................................11 Scan ........................................................................11 On-Hook Transmission—Forward Battery ..............11 On-Hook Transmission—Reverse Battery ..............11 Disconnect ..............................................................11 Ring.........................................................................11 Ground Start ...........................................................11 Thermal Shutdown ..................................................12 Absolute Maximum Ratings (@ TA = 25 °C) ..............12 Electrical Characteristics ...........................................13 Test Configurations ...................................................20 Applications ...............................................................22 Power Control .........................................................22 dc Loop Current Limit..............................................23 Overhead Voltage ...................................................23 Active Mode .........................................................23 Scan Mode ...........................................................23 On-Hook Transmission Mode...............................23 Ring Mode ............................................................24 Loop Range ............................................................24 Battery Reversal Rate .............................................24 Supervision................................................................24 Loop Closure...........................................................24 Ring Trip .................................................................24 Tip or Ring Ground Detector ...................................24 Power Ring .............................................................25 Sine Wave Input Signal and Sine Wave Power Ring Signal Output .................................26 PWM Input Signal and Sine Wave Power Ring Signal Output.............................................28 5 V VCC Operation ................................................29 3.3 V VCC Operation .............................................30 Square Wave Input Signal and Trapezoidal Power Ring Signal Output .................................30 Contents Page ac Applications ......................................................... 32 ac Parameters........................................................ 32 Codec Types .......................................................... 32 First-Generation Codecs ..................................... 32 Third-Generation Codecs .................................... 32 ac Interface Network .............................................. 32 Design Examples ................................................... 34 First-Generation Codec ac Interface Network—Resistive Termination ...................... 34 Example 1, Real Termination .............................. 34 First-Generation Codec ac Interface Network—Complex Termination ....................... 37 Complex Termination Impedance Design Example ............................................................ 37 ac Interface Using First-Generation Codec ......... 37 Transmit Gain...................................................... 38 Receive Gain....................................................... 39 Hybrid Balance .................................................... 39 Blocking Capacitors ............................................ 40 Third-Generation Codec ac Interface Network—Complex Termination ....................... 42 Outline Diagrams...................................................... 44 28-Pin PLCC .......................................................... 44 48-Pin MLCC.......................................................... 45 48-Pin MLCC, JEDEC MO-220 VKKD-2................ 46 Ordering Information ................................................ 47 |
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