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TAS5026REF

Reference Design for the TAS5026 Digital Audio

PWM Processor

April 2003

Digital Audio/Application

User’s Guide

SLEU035

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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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