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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 

 2003, Texas Instruments Incorporated

Summary of Contents for TAS5026REF

Page 1: ...TAS5026REF Reference Design for the TAS5026 Digital Audio PWM Processor April 2003 Digital Audio Application User s Guide SLEU035...

Page 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...

Page 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...

Page 4: ...here is uncertainty as to the load specification please contact a TI field representative During normal operation some circuit components may have case temperatures greater than 60 C The EVM is design...

Page 5: ...List PCB Specification and PCB Layout Information About Cautions and Warnings This book may contain cautions and warnings This is an example of a caution statement A caution statement describes a sit...

Page 6: ...ed descriptions of the integrated circuits used in the design of the TAS5026REF evaluation module The data manuals can be obtained at the URL http www ti com Part Number Literature Number TAS5026PFB S...

Page 7: ...WM Interface J140 2 5 3 Schematic Parts List PCB Specification and PCB Layout 3 1 Figures 1 1 TDAA System With TAS5026REF and TAS5110D6REF Reference Designs 1 2 1 2 Physical Structure for the TAS5026R...

Page 8: ...vi...

Page 9: ...digital audio applicable to many audio systems developed for the digital age The TAS5026REF reference design demonstrates the integrated circuit TAS5026 from Texas Instruments TI The TAS5026 is a 24 b...

Page 10: ...he TAS51xx power stage device combination can be used in a wide range of applications such as microcomponent systems home theater in a box HTIB DVD receivers A V receivers or TV sets Together with the...

Page 11: ...ttings Together with the TAS5100 TAS5110 TAS5182 PWM output stages from Texas Instruments the TAS5026REF module can be configured in autorecovery mode closed loop The SHUTDOWN signal s from the output...

Page 12: ...1 4...

Page 13: ...2 1 System Interfaces This chapter describes the TAS5026REF system interfaces Topic Page 2 1 Digital Audio Interface J160 2 2 2 2 Control Interface J100 2 3 2 3 PWM Interface J140 2 5 Chapter 2...

Page 14: ...a from SIN1 SDIN2 and SDIN3 SDATA is sampled with the rising edge of the SCLK The I2S format can be changed in the I2C registers 12 GND Ground 13 LRCLK Left right clock Fs used to indicate left right...

Page 15: ...from any setting to noiseless soft mute Alternatively the mute mode can also be initiated through the serial control interface I2C 07 POWER DOWN POWER DOWN active low places the TAS5026 in power down...

Page 16: ...Error reporting 1 ERR1 from the TAS51XX output stages 24 HEADPHONE DISABLE Headphone control Headphone 1 Mute all channels register address 03h enable sequence 2 HEADPHONE DISABLE is asserted high 3 I...

Page 17: ...itive H bridge side 10 PWM AM 2 Channel 2 PWM input differential positive H bridge side 11 VALID 2 Valid channel 2 12 PWM BM 2 Channel 2 PWM input differential negative H bridge side 13 PWM BP 2 Chann...

Page 18: ...VALID 6 Valid channel 6 36 PWM BM 6 Channel 6 PWM input differential negative H bridge side 37 PWM BP 6 Channel 6 PWM input differential negative H bridge side 38 SD E1 Shutdown group 1 center left a...

Page 19: ...3 1 Schematic Parts List PCB Specification and PCB Layout The chapter contains the schematic parts list PCB specification and PCB layout for the TAS5026REF Chapter 3...

Page 20: ...ITAL AUDIO GROUP ALL RIGHTS RESERVED PATENTS PENDING TEXAS INSTRUMENTS INCORPORATED TIDIGITAL AUDIO GROUP ALL RIGHTS RESERVED PATENTS PENDING TEXAS INSTRUMENTS INCORPORATED Input Output Section TAS502...

Page 21: ...DIGITAL AUDIO GROUP ALL RIGHTS RESERVED PATENTS PENDING TEXAS INSTRUMENTS INCORPORATED TIDIGITAL AUDIO GROUP ALL RIGHTS RESERVED PATENTS PENDING TEXAS INSTRUMENTS INCORPORATED TAS5026 Section TAS5026R...

Page 22: ...L AUDIO GROUP ALL RIGHTS RESERVED PATENTS PENDING TEXAS INSTRUMENTS INCORPORATED TIDIGITAL AUDIO GROUP ALL RIGHTS RESERVED PATENTS PENDING TEXAS INSTRUMENTS INCORPORATED Headphone Amplifier Section TA...

Page 23: ...Panasonic ECE V 1C A 100 SR C327 200062210 220 pF 10 50 V NP0 0603 KEMET C0603C221K5GAC C328 200062210 220 pF 10 50 V NP0 0603 KEMET C0603C221K5GAC C329 200062210 220 pF 10 50 V NP0 0603 KEMET C0603C2...

Page 24: ...A 1R0 R205 100247080 4 R70 5 300 ppm 100 mW metalfilm 0603 BC Components DCT 0603 00 5 PA 4R70 R206 Deleted Deleted R207 Deleted Deleted R208 100222090 22 R 5 200 ppm 100 mW metalfilm 0603 BC Componen...

Page 25: ...0261 6 ch PWM processor AD VOL 192kHz TQFP64 Texas Instruments TAS5026APFB U300 520140140 Single Schmitt Trigger Inverter LVC SOT23 5 Texas Instruments SN74LVC1G14DBVR U301 520140081 Quad AND gate LVC...

Page 26: ...PLATING OF HOLES 25 m MINIMUM HOLE DIAMETER 0 3 mm SILKSCREEN COMPONENT SIDE WHITE REMOVE SILKSCREEN FROM SOLDER AREA PRE TINNED AREAS SILKSCREEN SOLDER SIDE None SOLDER MASK COMPONENT SIDE GREEN SOL...

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