National Semiconductor TAS2557, User Manual

Page 1: ...ional regulations received from Disclosing party under this Agreement or any direct product of such technology to any destination to which such export or re export is restricted or prohibited by U S o...

Page 2: ...7EVM Input Muxes and Translators 12 9 TAS2557EVM Output Muxes and Translators 13 10 TAS2557EVM Channel 1 Schematic 14 11 TAS2557EVM Channel 2 Schematic 15 12 TAS2557EVM Power Supply 16 13 Top Overlay...

Page 3: ...io device compatible with Microsoft Windows 7 Digital audio AP and PSIA interface through 100 mil headers TI Learning Board 2 for speaker characterization SPI interface for TAS2557 control I2 C interf...

Page 4: ...on Module 4 Mono Setup 1 Install PurePath Console 3 with the TAS2557EVM plug in 2 Connect a speaker to J8 on the EVM 3 Attach a 5 0 V 2 5 A power supply to connector J29 inner 5V outer GND 4 Connect t...

Page 5: ...merates as a USB AudioEVM that supports 48 kHz sampling rate by default This setting must match the EVM at 2 channel 16 bit 48000 Hz CD Quality Table 2 Default Jumper Settings JUMPER SETTING DESCRIPTI...

Page 6: ...3 3 V 2 J32 Pin 1 2 SDIN on board 2 J33 Pin 1 2 WCLK on board 2 J34 Pin 1 2 BCLK on board 2 J35 Pin 1 2 MCLK on board 2 J36 Pin 1 2 SCL on board 2 J37 Pin 1 2 SDA on board 2 J38 Insert DVDD 1 8V 2 J3...

Page 7: ...ble of processing left right or both channels 1 Install PurePath Console 3 with the TAS2557EVM plug in 2 Connect speakers to both J44 and J8 on the EVM 3 Attach a 5 0 V 5 0 A power supply to connector...

Page 8: ...V sense data from the TAS2557 device Ground J15 J16 J17 and J18 have three pins Digital audio signals from the EVM Digital audio signals to the TAS2557 Ground A jumper inserted in position 1 2 connec...

Page 9: ...orated TAS2557 Evaluation Module 6 1 Digital Audio Interface Selection 6 1 1 USB The TAS2557EVM contains a microcontroller TAS1020B that acts as a USB HID and USB class audio interface To select USB i...

Page 10: ...n Module 6 1 2 Direct AP PSIA Remove the jumpers from J15 J16 J17 and J18 for Channel 1 or J32 J33 J34 and J35 for Channel 2 and connect the external digital audio source for example AP or PSIA to pin...

Page 11: ...SN74LVC2G34DRLR MCLKIN LB2 BCLKIN LB2 LRCLKIN LB2 SDIN0 LB2 I2S LEARNING BOARD2 LRCLK USB BCLK USB SDOUT USB SDOUT USB BCLK USB LRCLK USB MCLKIN LB2 SDIN0 LB2 BCLKIN LB2 LRCLKIN LB2 MRESET PLLFILO 1...

Page 12: ...K DUT DOUT MIXMUX DIN DUT I2C USB USB_I2CEN USB_I2CEN DIR1 15 DIR2 16 A1 1 A2 2 A3 3 A4 4 DIR3 5 DIR4 6 OE 7 GND 8 B4 9 B3 10 B2 11 B1 12 VCCB 13 VCCA 14 U11 SN74AVC4T774RSVR GND GND DIN1 BCLK1 WCLK1...

Page 13: ...A USB I2C USB DOUT MIXMUX RESET 3 P0 4 P1 5 P2 6 P3 7 GND 8 P4 9 P5 10 P6 11 P7 12 IRQ 13 SCL 14 SDA 15 VCCP 16 VCC 1 A0 2 U22 XRA1206IG16 F 10k R52 3 3V TO SCL USB GND SDATA MM1 SDATA MM2 DOUT MIXMUX...

Page 14: ...4700pF C23 DNP DNP GND 1 00k R8 DNP DNP 4700pF C24 DNP DNP GND TP8 OUTM1DNP TP9 OUTP1 DNP VBAT1 GND 22 F 16V C8 J2 0 R42 0 R46 DNP DNP VBOOST1 SPK1 SPK1 SW1 ADDR 0x98 ADR1 L ADR0 L J8 OUT1 SW1 VBAT1...

Page 15: ...10 0k R60 IOVDD RESET2 J42 RESET2 0 1 F C84 GND IOVDD 10 0k R56 10 0k R57 10 0k R58 10 0k R59 GND 1 2 3 4 5 6 7 8 J40 PSIA BCLK2 2 WCLK2 2 DIN2 2 DOUT2 2 10 0k R47 IOVDD 10 0k R48 IOVDD 10 0k R49 IOV...

Page 16: ...DCQ 1 F C26 GND 5V 1 2 3 J30 IOVDD SEL 3 3V VBAT VBAT1 0 1 F 10V C32 GND 22 F 16V C31 GND GND J31 VBAT1 VBAT2 0 1 F 10V C67 GND 22 F 16V C66 GND GND J21 VBAT2 VBAT1 VBAT2 Hi Current Shunt J1 J50 5V GN...

Page 17: ...tation 17 SLOU461 November 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TAS2557 Evaluation Module 7 2 TAS2557 EVM Printed Circuit Board Layout Figure 13 Top Overlay...

Page 18: ...dware Documentation www ti com 18 SLOU461 November 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TAS2557 Evaluation Module Figure 15 Top Layer Figure 16 Copper Layer...

Page 19: ...i com Hardware Documentation 19 SLOU461 November 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TAS2557 Evaluation Module Figure 17 Copper Layer 3 Figure 18 Copper La...

Page 20: ...ware Documentation www ti com 20 SLOU461 November 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TAS2557 Evaluation Module Figure 19 Copper Layer 5 Figure 20 Bottom L...

Page 21: ...com Hardware Documentation 21 SLOU461 November 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TAS2557 Evaluation Module Figure 21 Bottom Solder Mask Figure 22 Drill D...

Page 22: ...Hardware Documentation www ti com 22 SLOU461 November 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TAS2557 Evaluation Module Figure 23 Board Dimensions...

Page 23: ...RM 1000pF 50V 5 C0G NP0 0402 0402 GRM1555C1H102JA0 1D MuRata C23 C24 C85 C86 4 4700pF CAP CERM 4700 pF 50 V 10 X7R 0402 0402 GRM155R71H472KA0 1D MuRata C33 C34 C35 C36 C37 C38 C39 C40 C41 C42 C43 C44...

Page 24: ...B 3M J29 1 Power Jack mini 2 5mm OD R A TH Jack 14 5x11x9mm RAPC712X Switchcraft J30 1 Header 2 54 mm 3x1 Tin TH Header 2 54 mm 3x1 TH TSW 103 07 T S Samtec L1 L2 2 2 2uH Inductor Shielded Composite 2...

Page 25: ...Gold plated Black Shunt SNT 100 BK G Samtec 969102 0000 DA 3M TP1 TP2 TP3 TP4 TP5 TP8 TP9 TP10 TP11 TP12 TP13 TP14 TP15 TP16 TP17 TP18 TP19 TP20 TP23 TP24 TP25 TP26 22 Orange Test Point Miniature Ora...

Page 26: ...exas Instruments None U12 1 Single Output LDO 1 A Fixed 3 3 V Output 2 2 to 5 5 V Input with Reverse Current Protection 6 pin SOT 223 DCQ 40 to 125 degC Green RoHS no Sb Br DCQ0006A TPS73733DCQ Texas...

Page 27: ...are returned during the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasona...

Page 28: ...transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indic...

Page 29: ...ified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors current sens...

Page 30: ...REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF USE L...

Page 31: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...