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TPS65951A1ZGU Datasheet(PDF) 3 Page - Texas Instruments |
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TPS65951A1ZGU Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 170 page  TPS65951 www.ti.com SWCS053F – SEPTEMBER 2010 – REVISED MAY 2012 Contents 1 Introduction ...................................................................................................................... 12 1.1 TPS65951 Block Diagram ................................................................................................ 13 2 Terminal Description .......................................................................................................... 14 2.1 Corner Balls ................................................................................................................ 14 2.2 Ball Characteristics ........................................................................................................ 15 2.2.1 ESD Electrical Parameters .................................................................................... 20 2.3 Ball Placement (Top View) ............................................................................................... 21 2.4 Signal Description ......................................................................................................... 22 2.5 Ground Connection Usage ............................................................................................... 30 3 Electrical Characteristics .................................................................................................... 31 3.1 Absolute Maximum Ratings .............................................................................................. 31 3.2 Minimum Voltages and Associated Currents .......................................................................... 31 3.3 Recommended Operating Conditions .................................................................................. 32 3.4 Digital I/O Electrical Characteristics ..................................................................................... 32 4 Clock Specifications .......................................................................................................... 36 4.1 Features .................................................................................................................... 36 4.2 Clock Slicer ................................................................................................................. 36 4.2.1 Modes of Operation ............................................................................................ 37 4.2.1.1 Bypass Mode (BP) ................................................................................. 37 4.2.1.2 Power-Down Mode (PD) .......................................................................... 37 4.2.1.3 Low-Power Application Mode (LP) ............................................................... 37 4.2.1.4 High-Performance Application Mode (HP) ...................................................... 37 4.2.2 Clock Slicer Electrical Characteristics ....................................................................... 38 4.3 Input Clock Specifications ................................................................................................ 39 4.3.1 Clock Source Requirements .................................................................................. 39 4.3.2 High Frequency Input Clock ................................................................................... 39 4.3.3 32-kHz Input Clock ............................................................................................. 41 4.3.3.1 External Crystal Description ...................................................................... 41 4.3.3.2 External Clock Description ........................................................................ 43 4.4 Output Clock Specifications .............................................................................................. 46 4.4.1 32KCLKOUT Output Clock .................................................................................... 46 4.4.2 HFCLKOUT Output Clock ..................................................................................... 47 4.4.3 Output Clock Stabilization Time .............................................................................. 48 5 Audio/Voice Module ........................................................................................................... 50 5.1 Audio/Voice Downlink (RX) Module ..................................................................................... 50 5.1.1 Earphone Output ................................................................................................ 51 5.1.1.1 Earphone Output Characteristics ................................................................ 51 5.1.1.2 External Components and Application Schematics ........................................... 52 5.1.2 8- Ω Stereo Hands-Free ........................................................................................ 52 5.1.2.1 8- Ω Stereo Hands-Free Output Characteristics ................................................ 52 5.1.2.2 External Components and Application Schematics ........................................... 54 5.1.3 Headset .......................................................................................................... 55 5.1.3.1 Headset Output Characteristics .................................................................. 55 5.1.3.2 External Components and Application Schematics ........................................... 57 5.1.4 Headset Pop-Noise Attenuation .............................................................................. 61 5.1.5 Predriver for External Class D Amplifier ..................................................................... 62 5.1.5.1 Predriver Output Characteristics ................................................................. 62 5.1.5.2 External Components and Application Schematics ........................................... 63 5.1.6 Vibra H-Bridge .................................................................................................. 64 5.1.6.1 Vibra H-Bridge Output Characteristics .......................................................... 64 5.1.6.2 External Components and Application Schematics ........................................... 64 Copyright © 2010–2012, Texas Instruments Incorporated Contents 3 |
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