Texas Instruments TPA0252 User Manual Download | Manualshive

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2001

Mixed-Signal Products

User’s Guide

SLOU102

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Summary of Contents for TPA0252

Page 1: ...2001 Mixed Signal Products User s Guide SLOU102...

Page 2: ...esign TI does not warrant or represent that any license either express or implied is granted under any patent right copyright mask work right or other intellectual property right of TI covering or rel...

Page 3: ...A warning statement describes a situation that could potentially cause harm to you The information in a caution or a warning is provided for your protection Please read each caution and warning caref...

Page 4: ...mpliance with the limits of computing devices pursuant to subpart J of part 15 of FCC rules which are designed to provide reasonable protection against radio frequency interference Operation of this e...

Page 5: ...Parts List 2 9 2 5 3 Module PCB Layers 2 10 1 1 The TI TPA0252 Audio Amplifier Evaluation Module 1 3 2 1 Quick Start Platform Map 2 2 2 2 Module Preparation 2 4 2 3 Stand Alone Module Preparation 2 6...

Page 6: ...vi...

Page 7: ...audio amplifier evaluation module SLOP333 It includes a list of EVM features a brief description of the module illustrated with a pictorial diagram and a list of EVM specifications Topic Page 1 1 Feat...

Page 8: ...ifferential stereo inputs PC beep input Quick and easy configuration with the TI plug n play audio amplifier evaluation platform Evaluation module is designed to simply plug into the platform automati...

Page 9: ...ed into the TI plug n play audio amplifier evaluation platform or to be wired directly into existing circuits and equipment when used stand alone The platform has room for a single TPA0252 evaluation...

Page 10: ...1 4 Introduction...

Page 11: ...d control inputs and signal outputs to the EVM using standard connectors The TPA0252 audio amplifier evaluation module can also be used stand alone by making connections directly to the module pins an...

Page 12: ...or both may result Figure 2 1 Quick Start Platform Map Signal Conditioning CAUTION Do not insert or remove EVM boards with power applied ICC JP4 F1 VR1 R1 JP3 JP2 JP1 AC DC J2 VCC J1 D1 D2 D3 D4 J2 J3...

Page 13: ...into platform headphone jack J10 6 If the headphone jack J10 output will be used set headphone source switch S3 to U2 U4 Table 2 1 Platform Jumper and Switch Settings for the TPA0252 EVM JP6 JP7 JP8...

Page 14: ...er If the PCBEEP input is not being used set jumper J4 to ON 12 To allow the EVM amplifier IC to switch from the line inputs to the HP inputs when the output mode switches from BTL to SE and vice vers...

Page 15: ...o the module VDD and GND pins taking care to observe the marked polarity Inputs and outputs 3 Ensure that audio signal source level adjustments are set to minimum 4 Connect the right left positive lea...

Page 16: ...amplifier IC to switch from the line inputs to the HP inputs when the output mode switches from BTL to SE and vice versa set jumper J5 to ON To allow the input and output modes to switch independentl...

Page 17: ...pins must be able to source or sink the current flowing through the pulldown or pullup resistors on the module 100 k Figure 2 4 shows a TPA0252 EVM connected for stereo BTL operation Figure 2 4 TPA025...

Page 18: ...LHPIN SHUTDOWN GND DOWN PVDD CLK BYPASS LLINEIN RIN VDD PVDD 22 21 24 23 18 17 20 19 14 13 16 15 11 10 9 8 7 6 5 3 2 1 12 D2 LOUT LHP VDD RLINE ROUT RHP ROUT SE BTL TPA0252 C13 0 47 F LIN RIN GND LLIN...

Page 19: ...tor 10 F 16 V 80 20 Y5V 1210 1 Murata GRM235 Y5V106Z16 Arrow GRM235 Y5V106 Z16 R1 R5 Resistor 100 k 1 10 W 5 0805 5 Panasonic ERJ 6GEYJ104V Digi Key P100KACT ND D1 D2 Diode 1N4148 MINIMELF SMD 2 Micro...

Page 20: ...e PCB Layers The following illustrations depict the TPA0252 EVM PCB layers and silkscreen These drawings are not to scale Gerber plots can be obtained from any TI Sales Office Figure 2 6 TPA0252 EVM P...

Page 21: ...Reference 2 11 Operation Figure 2 8 TPA0252 EVM Bottom Layer...

Page 22: ...2 12 Operation...

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