PCM270xEVM-U User's Guide
Contents
1. seus Fad i e Sg s a Dr Ex o ZU i L E et ast 53 o7 207 8 54 E Ea a p aww er 5 N qnr B P a WA o eo 2 Es Te a iz m o T e I S g i N H oa a am H 8 2 ag ES 1 o m EN g hIS o Sb n Hz gt riz z E bai a r d o a a 448 4 Om Bs ols EI 2 75 gt j Iiae o a r 4 c8 r a a oz Zz amp Hg 5 FT m ke w E E s m of s Eu E p I AAA M amp lt z ax a 28 3 3 565 elk amp 2 qus a ie 2 2 LA gt a z 2 E gi E o z n m a E D 2 E o lt a amp gt i zZ z e a 5 st 29s a 5 8 2 9 L 4 2 Zz f o E hd a g 8 Sja a pe S 318 s amp m a ale 5 3 Ei z a E s 8 y amp 8 22 8 5 p ul m lt Br ge dz 2 8O KEYSTONE STANDOFF DOFF so KEYSTONE_STANDOFF KEYSTOI Figure 2 PCM270xEVM U Circuit Diagram SLEU114 May 2011 Submit Documentation Feedback 4 PCM270xEVM U Copyright 2011 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com Schematic BOM and Printed Circuit Board 2 2 PCM270xEVM U Parts List BOM Table 12. INSTRUMENTS Description www ti com 1 2 Block Diagram SW1 SW3 CN1 U3 ExT ROM USB bus xem 1 Stereo interface PCM2704 minijack PCM2705 headphone output us were eem S PDIF output TOTX141P a ee a ee SB B0295 01 Figure 1 PCM270xEVM U Block Diagram 1 3 Basic Operating Connections 1 3 1 Universal Serial Bus USB A USB interface is connected to USB connector CN4 1 3 2 Stereo Headphone Output A stereo headphone plug is connected to stereo minijack audio output connector CN2 1 3 3 Bus Power Self Power Selection Operation in the bus powered or self powered mode is user selectable chosen by jumper plug settings on the board The default setting is self powered operation Bus Powered JP1 JP7 Shorting plug of jumper JP1 must be connected JP7 can be removed if the application draws less than 100 mA JP2 JP6 JP8 Shorting plugs of jumpers JP2 JP6 JP8 must be removed JP9 JP10 JP11 Shorting plugs of jumpers JP9 JP10 and JP11 must be connected on the BUS side CN3 or TM1 TM2 external power supply External 5 V power supply must not be connected 2 PCM270xEVM U SLEU114 May 2011 Submit Documentation Feedback Copyright O 2011 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com Description Self Powered default setting JP1 Shorting plug of jumper JP1 must be removed JP2 JP8 Shorting plugs of jumpers JP2 JP8 must be connected JP9 JP10 JP11 Shorting plugs of
3. Bill of Materials Item QTY MFG MFG Part REF DES Description Value or Function REF PCM2704 2705 EVMA ASSEMBLY REF PCM2704 2705 EVMA SCHEMATIC 1 One Source PCM2704 2705 EVMA FABRICATION Group REF PCM2704 2705 EVMA ARTWORK 1 4 2031 SO1 SO2 SOS SO4 STANDOFF 4 40 1 0INx3 16IN ALUM RND F F 2 3 26630301RP2 JP9 JP10 JP11 HEADER 3 PIN PCB 2 0MM ROHS 3 1 26630601RP2 CN1 HEADER 6 PIN PCB 2 0MM ROHS 4 1 RAPC722X CN3 JACK MINI PWR THRU RA 2 11D 5 50D 5A ROHS 5 1 STX 3000 CN2 JACK MINI STEREO ROHS 6 1 TC7SZ08F U5 2 Input AND Gate 7 1 TOTX141P U4 TOSLINK TRANSMITTER 3 3V 15MB SHUTTER ROHS 8 6 GRM185R61A105KE36D C3 C4 C5 C6 C7 C12 603 CAP SMD0603 CERM 1 0UFD 10V 10 X5R ROHS 9 1 Rer evel C8 805 CAP SMD0805 CERM 10UFD 10V10 X7R ROHS 0 1 3750 0 TM2 Black BINDING POST BLACK 60V 15A GOLD ROHS 1 1 PANASONIC ECQ B1H104JF C18 CAP RAD POLY CAP THU POLYES FILM 0 1pF 50V 5 85C 2 2 MURATA GRM39X7R223K16V C9 C10 CAP SMT 0603 CAPA RI CE SMT 0609 PERAMI a 2 MURATA GRM40COG150J50V C1 C2 CAP SMT 0805 50V 5 15pF 4 2 MURATA GRM40X7R103K50V C11 C13 CAP SMT 0805 50V 109 6 010u0F 2 PANASONIC EEVFC0J101P C14 C15 CAPACITOR SMT ELEC CAPACITOR SMT ELEC 100uF 6 3V 20 40 105 C 6 1 ASSMANN A USBS B R CN4 CONNECTOR THU 4P CONNECTOR THU 4P USB RECEPTACLE TYPE ELEC B PCB MOU
4. such safety critical applications notwithstanding any applications related information or support that may be provided by TI Further Buyers must fully indemnify TI and its representatives against any damages arising out of the use of TI products in such safety critical applications TI products are neither designed nor intended for use in military aerospace applications or environments unless the TI products are specifically designated by TI as military grade or enhanced plastic Only products designated by TI as military grade meet military specifications Buyers acknowledge and agree that any such use of TI products which TI has not designated as military grade is solely at the Buyer s risk and that they are solely responsible for compliance with all legal and regulatory requirements in connection with such use TI products are neither designed nor intended for use in automotive applications or environments unless the specific TI products are designated by TI as compliant with ISO TS 16949 requirements Buyers acknowledge and agree that if they use any non designated products in automotive applications TI will not be responsible for any failure to meet such requirements Following are URLs where you can obtain information on other Texas Instruments products and application solutions Products Audio Amplifiers Data Converters DLP Products DSP Clocks and Timers Interface Logic Power Mgmt Microcontrollers RFID RF IF and ZigBe
5. 1 User s Guide I TEXAS SLEU114 May 2011 INSTRUMENTS PCM270xEVM U This user s guide contains information on the setup operation and construction of the PCM270xEVM U an evaluation module EVM for digital to analog converters DACs PCM2704 and PCM2705 Contents 1 DESGMDUOM Aem 1 1 1 Related Documentation From Texas Instruments ccccece cece ee eeeeeeeeeeeeeeeeeeeeee eee eeeeeneeeeeeees 1 1 2 Block Diagrami su cucina satu ntt ana nonsi net dn m aine atia itin n S tia aio auninsialda X LO ITUR LU RR ESEESE 2 1 3 Basic Operating Connections ssassn cece eee ence een ee a nee eee e nese eens nnn nne nnne nnne nnn 2 2 Schematic BOM and Printed Circuit Board ccccccccccccccccceeeeeeeeeeeeneeenauauaaaaaaaaseseseeeseeesennees 4 2 1 PGM270xEVM U Schematic sasis sensisse tinne a Ames rM EDD DIEA MUR a ME EDEN ARTE E vex es 4 2 2 PGM270xEVM U Parts List BOM lt cisisccsnemenevenatenedscnanaivanatcmanevedscsandnenetenacavadeieaeaeduanamana 5 2 3 PCM270xEVM U Printed Circuit Board ssssseeeellseeeee enne nnnm nnns nnn nnn nn 6 List of Figures 1 POM270XEVM U Block DIagralri se cuo oit acc cet ce ntcce stained siena me rmm prx secu ceu EUER EEE 2 2 PCM270xEVM U Girc it Diagratm eis enu renuit deen a vans rock RR Rr kic RR Ram eet E OR RR ERE 4 3 PCM270xEVM U Silkscreen eeeeeeeeeeeeee nnnm an ases assesses 6 4 PCM270xEVM U Top VIEW 252 2 tin t enit rn tru tere Ina s EYa pe E IEkr ERE UTE X PEE I
6. EEE RIN E PELO NaTexs lada Repas 6 5 PCM270xEVM U Bottom View cccccccccccceceeeeeeeeecnunnunauceceeeeeceeeeeeeeeetennnunauauaaaaaaaagasssssssssss 7 List of Tables 1 BOT Materials ssceeus saut Sama snp aaea SOR can tas ixns a E DNE TE Eee EID NA E CANI 5 1 Description The PCM270xEVM U is an evaluation board for the USB interface DACs PCM2704 DEM PCM2704 and PCM2705 DEM PCM2705 A USB connector is mounted on the PCM270xEVM U This connector allows a customer to evaluate DAC performance by connecting a USB interface to it By the use of jumper settings on the board the PCM270xEVM U can be operated either from USB bus power or from an external 5 V power supply The PCM270xEVM U outputs a stereo audio signal for headphones at stereo minijack CN2 PD 12 mW at R 32 O and an S PDIF digital interface output at optical Toslink connector U4 The PCM270xEVM U is fully compliant with the USB 1 1 specification with full speed transceiver format 1 1 Related Documentation From Texas Instruments PCM2704 PCM2705 PCM2706 PCM2707 Stereo Audio DAC With USB Interface Single Ended Headphone Output and S PDIF Output data sheet SLES081 Toslink is a trademark of Kabushiki Kaisha Toshiba DBA Toshiba Corporation All other trademarks are the property of their respective owners SLEU114 May 2011 PCM270xEVM U 1 Submit Documentation Feedback Copyright 2011 Texas Instruments Incorporated I TEXAS
7. NT 7 1 ECS ECS 120 18 5P x1 CRYSTAL SMT 2P XTL SMT 12 000MHz 1 8pF Fund 50ppm 10 70 C 8 3 G12AP RO SW1 SW2 SW3 G12AP SWITCH THRU SPDT STRAIGHT ULTRA MINIATURE ROHS 9 8 SAMTEC TSW 101 07 G D JP1 JP2 JP3 JP4 JP5 JP6 HEADER THU HEADER THU 2P 2X1 MALE DUAL JP7 JP8 ROW 100LS 100TL 20 1 ATMEL AT24C64N 10SI 2 7TR U3 C SMT 8P 2 WIRE SERIAL EEPROM 21 1 PANASONIC ELJFA100KJ F L1 NDUCTOR SMT 10 0uH 22 2 ECA1CM100 C16 C17 M CAP ALUM ELEC M RADIAL 10UFD 16V 20 ROHS 23 2 VISHAY CRCW08051002F R19 R20 RES SMT 0805 RESISTOR SMT 0805 THICK FILM 1 1 8W 10 0K 24 3 VISHAY CRCW08051004F R1 R15 R16 RES SMT 0805 RESISTER SMT 0805 THICK FILM 196 1 8W 1 00M 25 1 VISHAY CRCW080510RO0F R17 RES SMT 0805 RESISTER SMT 0805 THICK FILM 1 1 8W 10 0 Q 26 9 VISHAY CRCW208051501F amm R7 R10 R11 R12 RES SMT 0805 RESISTER SMT 0805 THICK FILM 1 1 8W 1 50K 27 1 PANASONIC ERJ 6GEYJ106V R18 RES SMT 0805 RESISTOR SMT 0805 THICK FILM 10M 596 1 8W 28 2 PANASONIC ERJ 6GEYJ160V R8 R9 RES SMT 0805 RESISTOR SMT 0805 THICK FILM 5 1 8W 16 29 2 PANASONIC ERJ 6GEYJ270V R3 R4 RES SMT 0805 RESISTOR SMT 0805 THICK FILM 5 1 8W 27 30 1 PANASONIC ERA 6YEB223V R21 RES SMT 2P RESISTOR SMT 0805 22K 0 1 1 10W 25ppm 31 1 3750 2 TM1 Red BINDING POST RED 60V 15A GOLD ROHS 32 1 REG1117 3 3 U2 SOT223 DCY VOLT REG 3 3V 800mA SOT223 DCY ROHS 33 1 PCM2705DB U1 SSOP28 DB STEREO AUDIO DAC W USB SE HEADPHONE SPDIF OUT SSOP28 DB ROHS NOTE ASTERISK NEXT TO PART MANUFACTURER S NAME DENOTES
8. POSSIBLE LONG LEAD TIME ITEM SLEU114 May 2011 PCM270xEVM U 5 Submit Documentation Feedback Copyright 2011 Texas Instruments Incorporated I TEXAS INSTRUMENTS Schematic BOM and Printed Circuit Board www ti com A23 PCM270xEVM U Printed Circuit Board Figure 4 PCM270xEVM U Top View 6 PCM270xEVM U SLEU114 May 2011 Submit Documentation Feedback Copyright 2011 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com Schematic BOM and Printed Circuit Board Figure 5 PCM270xEVM U Bottom View SLEU114 May 2011 PCM270xEVM U 7 Submit Documentation Feedback Copyright 2011 Texas Instruments Incorporated Evaluation Board Kit Important Notice Texas Instruments TI provides the enclosed product s under the following conditions This evaluation board kit is intended for use for ENGINEERING DEVELOPMENT DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer use Persons handling the product s must have electronics training and observe good engineering practice standards As such the goods being provided are not intended to be complete in terms of required design marketing and or manufacturing related protective considerations including product safety and environmental measures typically found in end products that incorporate such semiconductor components or circuit boards This evaluation board kit does not fa
9. and or irreversible damage to the EVM If there are questions concerning the input range please contact a TI field representative prior to connecting the input power Applying loads outside of the specified output range may result in unintended operation and or possible permanent damage to the EVM Please consult the EVM 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 components may have case temperatures greater than 55 C The EVM is designed to operate properly with certain components above 55 C as long as the input and output ranges are maintained These components include but are not limited to linear regulators switching transistors pass transistors and current sense resistors These types of devices can be identified using the EVM schematic located in the EVM User s Guide When placing measurement probes near these devices during operation please be aware that these devices may be very warm to the touch Mailing Address Texas Instruments Post Office Box 655308 Dallas Texas 75265 Copyright O 2011 Texas Instruments Incorporated IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries Tl reserve the right to make corrections modifications enhancements improvements and other changes to its products and services at any time and to discontinue any product or service without noti
10. ce Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete All products are sold subject to Tl s terms and conditions of sale supplied at the time of order acknowledgment TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with Tl s standard warranty Testing and other quality control techniques are used to the extent Tl deems necessary to support this warranty Except where mandated by government requirements testing of all parameters of each product is not necessarily performed TI assumes no liability for applications assistance or customer product design Customers are responsible for their products and applications using Tl components To minimize the risks associated with customer products and applications customers should provide adequate design and operating safeguards TI does not warrant or represent 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 which TI products or services are used Information published by TI regarding third party products or services does not constitute a license from TI to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the pate
11. d the User s Guide and specifically the Warnings and Restrictions notice in the User s Guide prior to handling the product This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application engineer or visit www ti com esh 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 FCC Warning This evaluation board kit is intended for use for ENGINEERING DEVELOPMENT DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer use It generates uses and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC rules which are designed to provide reasonable protection against radio frequency interference Operation of this equipment in other environments may cause interference with radio communications in which case the user at his own expense will be required to take whatever measures may be required to correct this interference EVM Warnings and Restrictions It is important to operate this EVM within the input voltage range of 5 V and the output voltage range of 5 V Exceeding the specified input range may cause unexpected operation
12. e Solutions www ti com audio amplifier ti com dataconverter ti com www dlp com www ti com clocks interface ti com logic ti com power ti com microcontroller ti com www ti rfid com www ti com lprf Applications Communications and Telecom Computers and Peripherals Consumer Electronics Energy and Lighting Industrial Medical Security Space Avionics and Defense Transportation and Automotive Video and Imaging Wireless TI E2E Community Home Page www ti com communications www ti com computers www ti com consumer apps www ti com energy www ti com industrial www ti com medical www ti com security www ti com space avionics defense www ti com automotive www ti com video www ti com wireless apps Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2011 Texas Instruments Incorporated
13. jumpers JP9 JP10 and JP11 must be connected on the SELF side CN3 or TM1 TM2 external power supply External power supply must be connected either to CN3 or to TM1 and TM2 Voc 4 5 V to 10 V lc 30 mA typical 70 mA maximum A 3 3 V regulator IC is mounted to provide a 3 3 V power supply for PCM2704 2705 and logic circuitry on the board from the external power supply In the case of self powered operation device is enabled when the USB interface is connected and HOST is set to High 1 3 4 SPI Interface PCM2705 An SPI interface MS MC MD for operational control of the PCM2705 can be connected at CN1 1 3 5 Suspend Suspend status is indicated at the SSPND pin of CN1 1 3 6 S PDIF Output USB audio data input to the PCM2704 2705 is output in S PDIF format This electrical output is sent to U4 which converts the S PDIF signal into light for optical transmission SLEU114 May 2011 PCM270xEVM U 3 Submit Documentation Feedback Copyright 2011 Texas Instruments Incorporated I TEXAS INSTRUMENTS Schematic BOM and Printed Circuit Board www ti com 2 Schematic BOM and Printed Circuit Board This chapter presents the PCM270xEVM U printed circuit board and schematic 2 31 PCM270xEVM U Schematic
14. ll within the scope of the European Union directives regarding electromagnetic compatibility restricted substances RoHS recycling WEEE FCC CE or UL and therefore may not meet the technical requirements of these directives or other related directives Should this evaluation board kit not meet the specifications indicated in the User s Guide the board 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 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 rea
15. nts or other intellectual property of the third party or a license from TI under the patents or other intellectual property of TI Reproduction of TI information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties conditions limitations and notices Reproduction of this information with alteration is an unfair and deceptive business practice TI is not responsible or liable for such altered documentation Information of third parties may be subject to additional restrictions Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business practice TI is not responsible or liable for any such statements TI products are not authorized for use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death unless officers of the parties have executed an agreement specifically governing such use Buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications and acknowledge and agree that they are solely responsible for all legal regulatory and safety related requirements concerning their products and any use of TI products in
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