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LUCL9215AAU-D Datasheet(PDF) 2 Page - Agere Systems |
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LUCL9215AAU-D Datasheet(HTML) 2 Page - Agere Systems |
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2 / 50 page  Data Sheet September 2001 Short-Loop Sine Wave Ringing SLIC L9215A/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........................................................11 State Definitions ........................................................12 Forward Active ........................................................12 Reverse Active ........................................................12 Forward Active with PPM ........................................12 Reverse Active with PPM........................................12 Scan ........................................................................12 On-Hook Transmission—Forward Battery ..............12 On-Hook Transmission with PPM—Forward Battery ....................................................................13 On-Hook Transmission—Reverse Battery ..............13 On-Hook Transmission with PPM—Reverse Battery ....................................................................13 Disconnect ..............................................................13 Ring.........................................................................13 Thermal Shutdown ..................................................13 Absolute Maximum Ratings.......................................14 Electrical Characteristics ...........................................15 Test Configurations ...................................................22 Applications ...............................................................24 Power Control .........................................................24 dc Loop Current Limit..............................................24 Overhead Voltage ...................................................25 Active Mode .........................................................25 On-Hook Transmission Mode...............................26 Scan Mode ...........................................................26 Ring Mode ............................................................26 Contents Page Loop Range ........................................................... 26 Battery Reversal Rate ............................................ 26 Supervision............................................................... 27 Loop Closure.......................................................... 27 Ring Trip ................................................................ 27 Tip or Ring Ground Detector .................................. 27 Power Ring ............................................................ 27 Sine Wave Input Signal and Sine Wave Power Ring Signal Output............................................ 28 PWM Input Signal and Sine Wave Power Ring Signal Output............................................ 30 5 V VCC Operation ............................................... 31 3.3 V VCC Operation ............................................ 32 Square Wave Input Signal and Trapezoidal Power Ring Signal Output ................................ 32 Periodic Pulse Metering (PPM) ................................ 34 ac Applications ......................................................... 34 ac Parameters........................................................ 34 Codec Types .......................................................... 34 First-Generation Codecs ..................................... 34 Third-Generation Codecs .................................... 34 ac Interface Network .............................................. 34 Design Examples ................................................... 35 First-Generation Codec ac Interface Network—Resistive Termination ...................... 35 Example 1, Real Termination .............................. 36 First-Generation Codec ac Interface Network—Complex Termination ....................... 39 Complex Termination Impedance Design Example ............................................................ 39 ac Interface Using First-Generation Codec ......... 39 Set ZTG—Gain Shaping ....................................... 39 Transmit Gain...................................................... 40 Receive Gain....................................................... 41 Hybrid Balance .................................................... 41 Blocking Capacitors............................................. 42 Third-Generation Codec ac Interface Network—Complex Termination ....................... 45 Outline Diagrams...................................................... 47 32-Pin PLCC .......................................................... 47 48-Pin MLCC.......................................................... 48 48-Pin MLCC, JEDEC MO-220 VKKD-2................ 49 Ordering Information................................................. 50 |
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