Texas Instruments TPA3002D2EVM Скачать руководство пользователя страница 3

EVM IMPORTANT NOTICE

Texas Instruments (TI) provides the enclosed product(s) under the following conditions:

This evaluation kit being sold by TI is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION
PURPOSES ONLY
 and is not considered by TI to be fit for commercial use. As such, the goods being provided
may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective
considerations, including product safety measures typically found in the end product incorporating the goods.
As a prototype, this product does not fall within the scope of the European Union directive on electromagnetic
compatibility and therefore may not meet the technical requirements of the directive.

Should this evaluation kit not meet the specifications indicated in the EVM User’s Guide, the kit may be returned
within 30 days from the date of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE
WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED,
IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY
PARTICULAR PURPOSE.

The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user
indemnifies TI from all claims arising from the handling or use of the goods. Please be aware that the products
received may not be regulatory compliant or agency certified  (FCC, UL, CE, etc.). Due to the open construction
of the product, it is the user’s responsibility to take any and all appropriate precautions with regard to electrostatic
discharge.

EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE, NEITHER PARTY SHALL BE LIABLE
TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.

TI currently deals with a variety of customers for products, and therefore our arrangement with the user is not
exclusive
.

TI assumes no liability for applications assistance, customer product design, software performance, or
infringement of patents or services described herein
.

Please read the EVM User’s Guide and, specifically, the EVM Warnings and Restrictions notice in the EVM
User’s Guide prior to handling the product. This notice contains important safety information about temperatures
and voltages. For further safety concerns, please contact the TI application engineer.

Persons handling the product must have electronics training and observe good laboratory practice standards.

No license is granted under any patent right or other intellectual property right of TI covering or relating to any
machine, process, or combination in which such TI products or services might be or are used.

Mailing Address:

Texas Instruments
Post Office Box 655303
Dallas, Texas 75265

Copyright 

 2002, Texas Instruments Incorporated

Содержание TPA3002D2EVM

Страница 1: ...December 2002 HPL User s Guide SLOU151...

Страница 2: ...t that any license either express or implied is granted under any TI patent right copyright mask work right or other TI intellectual property right relating to any combination machine or process in wh...

Страница 3: ...handling or use of the goods Please be aware that the products received may not be regulatory compliant or agency certified FCC UL CE etc Due to the open construction of the product it is the user s r...

Страница 4: ...M User s Guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation some circuit compone...

Страница 5: ...provided for your protection Please read each caution and warning carefully FCC Warning This equipment is intended for use in a laboratory test environment only It gen erates uses and can radiate rad...

Страница 6: ...ially be damaged by electrostatic discharge Always transport and store the EVM in its supplied ESD bag when not in use Handle using an antistatic wristband Operate on an antistatic work surface For mo...

Страница 7: ...uts 2 2 2 1 3 Evaluation Module Preparations 2 2 2 1 4 Control Inputs 2 2 2 1 5 Control Outputs 2 2 2 1 6 Power Up 2 3 2 1 7 External Headphone Amplifier Special Considerations 2 3 3 Reference 3 1 3 1...

Страница 8: ...ifier EVM Bottom View 1 2 3 1 TPA3002D2EVM Schematic 3 2 3 2 TPA3002D2EVM with External Headphone Amplifier Schematic 3 3 3 3 TPA3002D2EVM Top Layer 3 4 3 4 TPA3002D2EVM Bottom Layer 3 4 Tables 3 1 TP...

Страница 9: ...1 1 Introduction Introduction This chapter provides a brief description of the TPA3002D2EVM Topic Page 1 1 Description 1 2 1 2 TPA3002D2EVM Specifications 1 2 Chapter 1...

Страница 10: ...approximately 2 1 4 inches by 1 3 4 inches Figure 1 1 and Figure 1 2 The TPA3002D2 can be interfaced with the TPA6110A2 to provide additional headphone drive The TPA3002D2 has an internal 5 V supply...

Страница 11: ...ly voltage range VCC 8 V to 14 V Input voltage range VI MODE VREF VARDIFF VARMAX VOLUME 0 V to 5 5 V VI SHUTDOWN 0 V to VCC 0 3 V VI RINN RINP LINN LINP 0 V to 7 V Supply current ICC 3 A Max Continuou...

Страница 12: ...1 4...

Страница 13: ...2 1 Operation Operation This chapter describes how to operate the TPA3002D2EVM Topic Page 2 1 Quick Start List for Stand Alone Operation 2 2 Chapter 2...

Страница 14: ...3 Evaluation Module Preparations 1 Adjust the signal source level as needed 2 1 4 Control Inputs Note Refer to the TPA3002D2 data sheet for logic threshold voltage ratings 1 SHUTDOWN This pin is acti...

Страница 15: ...t Refer to Table 3 3 in the Reference section for volume control settings Adjusting the Headphone Volume 5 Adjust the VAROUTL and VAROUTR headphone volume by adjusting potentiometer P3 The headphone v...

Страница 16: ...Quick Start List for Stand Alone Operation 2 4 and VAROUTL to ground if required The 10 k load resistor reduces feed through audio when the amplifier is in the shutdown mode...

Страница 17: ...rmation for the TPA3002D2EVM Topic Page 3 1 TPA3002D2EVM Schematic 3 2 3 2 EVM PCB Layers 3 4 3 3 TPA3002D2EVM Parts List 3 5 3 4 DC Volume Control for Class D Outputs OUT and OUT 3 6 3 5 DC Volume Co...

Страница 18: ...GND MODE MODEB VAROUTR VAROUTL AGND AVDD AGND COSC ROSC AVCC VCLAMPL BSRP PVCCR PVCCR ROUTP ROUTP PGNDR PGNDR ROUTN ROUTN PVCCR PVCCR BSRN RINN C16 C5 R2 S1 Vcc P3 50k P2 P1 T7 T6 T5 LOUT VCC VCC LOUT...

Страница 19: ...T VCC VCC LOUT C9 C15 10 nF C18 C10 10 nF C19 ROUT VCC L3 Bead C24 1 nF L4 Bead C25 1 nF GND GND GND GND AGND AGND AGND PGND PGND L1 Bead C22 1 nF L2 Bead C23 1 nF VCC 220 pF C6 R1 C8 100 nF C14 C7 Cv...

Страница 20: ...EVM PCB Layers 3 4 3 2 EVM PCB Layers Figure 3 3 TPA3002D2EVM Top Layer Figure 3 4 TPA3002D2EVM Bottom Layer...

Страница 21: ...7 Capacitor ceramic 10 F 80 20 Y5V 25 V 1210 3 Panasonic ECJ 4YF1E106Z C18 C21 Capacitor ceramic 0 01 F 80 20 Y5V 50 V 0603 4 Panasonic ECJ 1VF1H103Z C22 C25 Capacitor ceramic 1000 pF 10 X7R 50 V 0603...

Страница 22: ...20 4 22 3 22 1 24 3 20 4 22 6 19 8 24 3 26 5 22 6 24 8 17 2 26 5 28 7 24 8 27 0 14 7 28 7 30 9 27 0 29 1 12 2 30 9 33 1 29 1 31 3 9 6 33 1 35 3 31 3 33 5 7 1 35 3 37 5 33 5 35 7 4 6 37 5 39 7 35 7 37...

Страница 23: ...8 2 20 4 38 3 22 1 24 3 20 4 22 6 35 7 24 3 26 5 22 6 24 8 33 2 26 5 28 7 24 8 27 0 30 7 28 7 30 9 27 0 29 1 28 1 30 9 33 1 29 1 31 3 25 6 33 1 35 3 31 3 33 5 23 1 35 3 37 5 33 5 35 7 20 5 37 5 39 7 3...

Страница 24: ...3 8...

Отзывы: