SLOU560 July   2022 TAS2781

 

  1.   Abstract
  2.   Trademarks
  3. 1Description
  4. 2Specifications
    1. 2.1 Power Supply Configurations
  5. 3Device Configuration
    1. 3.1 Jumper Settings
    2. 3.2 Test Points
  6. 4Software
    1. 4.1 PPC3 Overview
    2. 4.2 Device Control Panel
    3. 4.3 Register Map
    4. 4.4 Direct I2C
  7. 5Mono Setup Quick Start
  8. 6Digital Audio Interfaces
  9. 7EVM Schematics
  10. 8Schematic and Layout Guidelines
  11. 9Bill of Materials

Bill of Materials

Table 9-1 TAS2781EVM Bill of Materials
Fitted Description Designator PartNumber Quantity Manufacturer PackageReference Value Alternate Manufacturer Alternate PartNumber
Fitted Printed Circuit Board !PCB1 AMPS172 1 Any
Fitted CAP, CERM, 0.1 uF, 16 V, +/- 10%, X5R, 0201 C1 GRM033R61C104KE84D 1 MuRata 0201 0.1uF
Fitted CAP, CERM, 1 uF, 16 V, +/- 10%, X5R, 0402 C2 C1005X5R1E105K050BC 1 TDK 0402 1uF C1005X5R1C105K050BC
Fitted CAP, CERM, 10 uF, 16 V, +/- 10%, X7R, 0805 C3 CL21B106KOQNNNE 1 Samsung Electro-Mechanics 0805 10uF
Fitted CAP, CERM, 0.1 uF, 50 V, +/- 10%, X7R, 0402 C4, C7, C10, C23, C35, C37, C42, C49, C51, C54, C56, C58, C67, C68, C69, C70, C73, C74, C75, C76, C77, C78, C79, C80, C81, C82, C83, C84, C85, C86, C87, C88, C89, C90, C91, C92, C93, C94, C95, C96, C97, C98, C99, C100, C101, C102, C103, C104, C105, C106, C107, C108, C109, C110, C111, C112, C113, C114, C115, C116, C117, C119, C120, C147 C1005X7R1H104K050BB 64 TDK 0402 0.1uF
Fitted CAP, CERM, 10 uF, 50 V, +/- 10%, X7R, 1206 C8, C9 CL31B106KBHNNNE 2 Samsung 1206 10uF
Fitted CAP, CERM, 4.7 uF, 10 V, +/- 20%, X5R, 0402 C11 GRM155R61A475M 1 MuRata 0402 4.7uF
Fitted CAP, CERM, 4700 pF, 10 V, +/- 20%, X5R, 0201 C13, C15 GRM033R61A472MA01D 2 MuRata 0201 4700pF MuRata GRM033R61E472MA12D
Fitted CAP, CERM, 1 uF, 10 V,+/- 10%, X6S, 0402 C18, C20, C149 GRM155C81A105KA12D 3 MuRata 0402 1uF
Fitted CAP, CERM, 0.1 uF, 10 V, +/- 10%, X7R, 0402 C19, C71, C72, C148 GRM155R71A104KA01D 4 MuRata 0402 0.1uF
Fitted CAP, CERM, 0.47 uF, 25 V, +/- 10%, X7R, 0603 C21 GRM188R71E474KA12D 1 MuRata 0603 0.47uF
Fitted CAP, CERM, 1 µF, 50 V,+/- 20%, X5R, AEC-Q200 Grade 3, 0603 C22, C36, C48, C55, C57, C60 CGA3E3X5R1H105M080AB 6 TDK 0603 1uF
Fitted CAP, AL, 47 uF, 63 V, +/- 20%, 0.65 ohm, AEC-Q200 Grade 2, SMD C24, C28 EEE-FK1J470P 2 Panasonic SMT Radial F 47uF Vishay-Dale MAL215099801E3
Fitted CAP, CERM, 10 µF, 50 V,+/- 20%, JB, 1210 C25, C26 C3225JB1H106M250AB 2 TDK 1210 10uF TDK CNA6P1X7R1H106K250AE
Fitted CAP, CERM, 0.01 uF, 50 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0402 C27, C38, C50, C59, C64 CGA2B3X7R1H103K050BB 5 TDK 0402 0.01uF
Fitted CAP, CERM, 22 uF, 10 V, +/- 20%, X5R, 0603 C29, C30, C31, C39, C40, C41 C1608X5R1A226M080AC 6 TDK 0603 22uF
Fitted CAP, CERM, 4.7 uF, 16 V, +/- 10%, X5R, 0603 C32, C52 GRM188R61C475KAAJ 2 MuRata 0603 4.7uF
Fitted CAP, CERM, 3.3 uF, 50 V, +/- 10%, X5R, 0805 C33 C2012X5R1H335K125AB 1 TDK 0805 3.3uF
Fitted CAP, CERM, 10 uF, 35 V, +/- 10%, X7R, 1206_190 C34 GMK316AB7106KL-TR 1 Taiyo Yuden 1206_190 10uF
Fitted CAP, CERM, 0.1 uF, 10 V, +/- 10%, X5R, 0402 C43 GRM155R61A104KA01D 1 MuRata 0402 0.1uF
Fitted CAP, CERM, 22 uF, 10 V, +/- 20%, X5R, 0805 C44, C45, C46, C47 GRM21BR61A226ME44L 4 MuRata 0805 22uF
Fitted CAP, CERM, 22 uF, 25 V, +/- 10%, X7R, 1210 C53, C61, C62, C63 GRM32ER71E226KE15L 4 MuRata 1210 22uF
Fitted CAP, CERM, 4.7 pF, 50 V, +/- 5%, C0G/NP0, 0201 C65 GRM0335C1H4R7CA01D 1 MuRata 0201 4.7pF
Fitted CAP, CERM, 1800 pF, 10 V, +/- 10%, X5R, 0201 C66 GRM033R61A182KA01D 1 MuRata 0201 1800pF
Fitted CAP, CERM, 2.2 uF, 16 V,+/- 10%, X7R, 0603 C118 EMK107BB7225MA-T 1 Taiyo Yuden 0603 2.2uF
Fitted CAP, CERM, 470 pF, 25 V, +/- 5%, C0G/NP0, 0402 C121 GRM1555C1E471JA01D 1 MuRata 0402 470pF
Fitted LED, Green, SMD D1 LTST-C191KGKT 1 Lite-On LED_0603 Green
Fitted LED, Yellow , SMD D2 LTST-C170KSKT 1 Lite-On 0805 LED Yellow
Fitted LED, Blue, SMD D3 LTST-C170TBKT 1 Lite-On LED_0805 Blue
Fitted MACHINE SCREW PAN PHILLIPS M3 H1, H2, H3, H4 RM3X8MM 2701 4 APM HEXSEAL M3 Screw
Fitted Standoff, Hex,25mm Length, M3, Aluminum H5, H6, H7, H8 24438 4 Keystone Standoff M3
Fitted Binding Post, Nickel, TH J1, J5, J7, J10 111-2223-001 4 Cinch Connectivity Receptacle, 1x1 Position, Dia 9.8mm, TH
Fitted Header, 100mil, 2x1, Gold, TH J2, J3, J9, J11, J12, J14, J16, J17, J22, J24, J25, J27, J33, J44, J45, J48 PBC02SAAN 16 Sullins Connector Solutions Sullins 100mil, 1x2, 230 mil above insulator
Fitted Standard Banana Jack, Uninsulated, 5.5mm J4, J8 575-4 2 Keystone Keystone_575-4
Fitted Conn Term Block, 2POS, 3.81mm, TH J6 1727010 1 Phoenix Contact 2POS Terminal Block
Fitted J18 TSW-104-07-G-T 1 Samtec HDR12
Fitted Header, 100mil, 3x2, Gold, TH J19 TSW-103-07-G-D 1 Samtec 3x2 Header
Fitted Power Jack, mini, 2.5mm OD, R/A, TH J20 RAPC712X 1 Switchcraft Jack, 14.5x11x9mm
Fitted Terminal Block, 5.08mm, 2x1, TH J21 0395443002 1 Molex Terminal Block, 5.08mm, 2x1, TH
Fitted Header, 100mil, 3x1, Gold, TH J23, J46, J47, J49 PBC03SAAN 4 Sullins Connector Solutions PBC03SAAN
Fitted J28 TSW-110-08-G-D-RA 1 Samtec HDR20
Fitted 20 Position Receptacle Connector Through Hole, Right Angle J29 SSQ-110-02-G-D-RA 1 SAMTEC HDR20
Fitted Header(shrouded), 2.54mm, 17x2, Gold, TH J31 302-S341 1 On-Shore Technology Header(shrouded), 2.54mm, 17x2, TH
Fitted Connector, Receptacle, Micro-USB Type AB, R/A, Bottom Mount SMT J32 0475890001 1 Molex Connector, USB Micro AB JAE Electronics DX4R205JJAR1800
Fitted Receptacle, 50mil, 6x1, Gold, R/A, TH J34 LPPB061NGCN-RC 1 Sullins Connector Solutions 6x1 Receptacle
Fitted Inductor, Flat Wire, 1 uH, 3.1 A, 0.045 ohm, SMD L1 1277AS-H-1R0M=P2 1 MuRata Toko 3.2x1.2x2.5mm 1uH
Fitted Ferrite Bead, 300 ohm @ 100 MHz, 3.1 A, 0806 L2, L4 NFZ2MSM301SN10L 2 MuRata 0806 300 ohm
Fitted Inductor, Shielded, 2.2 uH, 4 A, 0.061 ohm, AEC-Q200 Grade 0, SMD L3 SRP4020TA-2R2M 1 Bourns 4.45x1.8x4.06mm 2.2uH
Fitted Inductor, Multilayer, Ferrite, 2.2 uH, 1.3 A, 0.08 ohm, SMD L5 LQM2HPN2R2MG0L 1 MuRata SMD, Body 2.5x2mm, Height 1.2mm 2.2uH
Fitted Inductor, Shielded, Composite, 1 uH, 21.8 A, 0.00455 ohm, SMD L6 XAL7030-102MEB 1 Coilcraft XAL7030 1uH
Fitted 1µH Shielded Wirewound Inductor 4.1A 22mOhm Max 1210 (3225 Metric) L7 DFE322520FD-1R0M=P2 1 Murata 1210 (3225) 1uH
Fitted Ferrite Bead, 30 ohm @ 100 MHz, 6 A, 0805 L8 MPZ2012S300AT000 1 TDK 0805 30 ohm
Fitted RES, 0, 5%, 0.25 W, 1206 R1, R2, R95 RC1206JR-070RL 3 Yageo America 1206 0
Fitted RES, 0, 5%, 0.1 W, AEC-Q200 Grade 0, 0402 R3, R4, R53, R54, R77, R93, R94, R98, R99 ERJ-2GE0R00X 9 Panasonic 0402 0
Fitted RES, 20.0 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 R5, R32 CRCW040220K0FKED 2 Vishay-Dale 0402 20.0k
Fitted RES, 1.00 k, 1%, 0.1 W, 0402 R6, R44, R58 ERJ-2RKF1001X 3 Panasonic 0402 1.00k
Fitted RES, 37.4 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 R9, R10 CRCW040237K4FKED 2 Vishay-Dale 0402 37.4k
Fitted RES, 470, 1%, 0.063 W, 0402 R11, R12, R14, R17 RC0402FR-07470RL 4 Yageo America 0402 470
Fitted RES, 2.20 k, 1%, 0.1 W, 0402 R13, R15 ERJ-2RKF2201X 2 Panasonic 0402 2.20k
Fitted RES, 10.0 k, 1%, 0.063 W, 0402 R16, R18, R36, R45, R48, R51, R52, R55, R57, R67, R72 RC0402FR-0710KL 11 Yageo America 0402 10.0k
Fitted RES, 3.01, 1%, 0.1 W, 0603 R19 RC0603FR-073R01L 1 Yageo 0603 3.01
Fitted RES, 330, 1%, 0.1 W, AEC-Q200 Grade 0, 0402 R20, R47 ERJ-2RKF3300X 2 Panasonic 0402 330
Fitted RES, 66.5 k, 1%, 0.1 W, 0603 R21 RC0603FR-0766K5L 1 Yageo 0603 66.5k
Fitted RES, 47.0 k, 1%, 0.0625 W, 0402 R22, R46, R49, R50, R62, R63, R64, R65 RC0402FR-0747KL 8 Yageo America 0402 47.0k
Fitted RES, 100 k, 1%, 0.1 W, 0603 R23 RC0603FR-07100KL 1 Yageo 0603 100k
Fitted RES, 56 k, 5%, 0.1 W, 0603 R24 RC0603JR-0756KL 1 Yageo 0603 56k
Fitted RES, 680 k, 1%, 0.1 W, 0603 R25 RC0603FR-07680KL 1 Yageo 0603 680k
Fitted RES, 100 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 R27 CRCW0603100KFKEA 1 Vishay-Dale 0603 100k
Fitted RES, 0, 5%, 0.1 W, AEC-Q200 Grade 0, 0603 R28 ERJ-3GEY0R00V 1 Panasonic 0603 0
Fitted RES, 158 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 R29 CRCW0402158KFKED 1 Vishay-Dale 0402 158k
Fitted RES, 330 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 R30 CRCW0402330KFKED 1 Vishay-Dale 0402 330k
Fitted RES, 34.0 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 R31 CRCW040234K0FKED 1 Vishay-Dale 0402 34.0k
Fitted RES, 0, 5%, 0.1 W, AEC-Q200 Grade 0, 0402 R33 ERJ-2GE0R00X 1 Panasonic 0402
Fitted RES, 47.5 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 R34 CRCW040247K5FKED 1 Vishay-Dale 0402 47.5k
Fitted RES, 127 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 R35 CRCW0402127KFKED 1 Vishay-Dale 0402 127k
Fitted RES, 33.0, 1%, 0.1 W, 0402 R37, R38, R39 ERJ-2RKF33R0X 3 Panasonic 0402 33.0
Fitted RES, 1.91 k, 1%, 0.1 W, 0603 R42, R43, R59, R60 RC0603FR-071K91L 4 Yageo 0603 1.91k
Fitted RES, 49.9, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 R56 RMCF0402FT49R9 1 Stackpole Electronics Inc 0402 49.9
Fitted RES, 33.2, 1%, 0.05 W, 0201 R61, R69, R70, R73, R74, R79, R81, R85 RC0201FR-0733R2L 8 Yageo America 0201 33.2
Fitted RES, 4.75, 1%, 0.1 W, 0603 R66 RC0603FR-074R75L 1 Yageo 0603 4.75
Fitted RES, 680, 1%, 0.1 W, 0603 R68 RC0603FR-07680RL 1 Yageo 0603 680
Fitted RES, 10.2 k, 1%, 0.05 W, 0201 R71, R80, R83, R84 RC0201FR-0710K2L 4 Yageo America 0201 10.2k
Fitted RES, 100 k, 1%, 0.1 W, 0402 R75 ERJ-2RKF1003X 1 Panasonic 0402 100k
Fitted RES, 43.2, 1%, 0.1 W, 0603 R76 RC0603FR-0743R2L 1 Yageo 0603 43.2
Fitted RES, 10.0 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 R78 RMCF0402FT10K0 1 Stackpole Electronics Inc 0402 10.0k
Fitted RES, 25.5 k, 1%, 0.05 W, 0201 R82 RC0201FR-0725K5L 1 Yageo America 0201 25.5k
Fitted RES, 51.0 k, 1%, 0.05 W, 0201 R86 RC0201FR-0751KL 1 Yageo America 0201 51.0k
Fitted SWITCH TACTILE SPST-NO 0.05A 12V SD CTRL B3U-1000P 1 Omron Electronic Components 3x1.6x2.5mm Omron Electronic Components B3U-1000P-B
Fitted Shunt, 100mil, Gold plated, Black SH1, SH2, SH3, SH4, SH5, SH6, SH7, SH8, SH9, SH10, SH11, SH12, SH13, SH14, SH15, SH16, SH17, SH18, SH19 SNT-100-BK-G 19 Samtec Shunt 1x2 3M 969102-0000-DA
Fitted Test Point, Miniature, Orange, TH TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8, TP19 5003 9 Keystone Electronics Orange Miniature Testpoint
Fitted Test Point, Miniature, Black, TH TP10, TP11, TP12, TP13, TP14, TP15 5001 6 Keystone Electronics Black Miniature Testpoint
Fitted Terminal, Turret, TH, Double TP16, TP17 1503-2 2 Keystone Keystone1503-2
Fitted Class D Amplifier with Integrated DSP U1 TAS2781RYY 1 Texas Instruments VQFN-HR30
Fitted 3.5 to 36Vin, 3 Ampere Synchronous DC-DC Converter for Automotive Applications, PWP0016D (TSSOP-16) U2 LM536033QPWPRQ1 1 Texas Instruments PWP0016D Texas Instruments LM536033QPWPTQ1
Fitted 3.5-MHz High Efficiency Step-Up Converter in Chip Scale Package, YFF0009ACAG (DSBGA-9) U3 TPS61256CYFFR 1 Texas Instruments YFF0009ACAG Texas Instruments TPS61256CYFFT
Fitted Single Output LDO, 400mA, Adj.(1.2 to 5.5V), Cap free, Low Noise, Reverse Current Protection, DBV0005A (SOT-23-5) U4, U7, U10 TPS73618DBVR 3 Texas Instruments DBV0005A
Fitted 1-A High Efficiency Step-Down Converter in SOT23-5 Package, DBV005A, DBV0005A (SOT-5) U5 TLV62568DBVR 1 Texas Instruments DBV0005A Texas Instruments TLV62568DBVT
Fitted 8-A Boost Converter with 0.5-V Ultra-Low Input Voltage, RWU0007A (VQFN-HR-7) U6 TPS61022RWUT 1 Texas Instruments RWU0007A Texas Instruments TPS61022RWUR
Fitted Single Output LDO, 400mA, Adj.(1.2 to 5.5V), Cap free, Low Noise, Reverse Current Protection, DBV0005A (SOT-23-5) U9 TPS73601DBVT 1 Texas Instruments DBV0005A
Fitted 4-Bit Dual-Supply Bus Transceiver With Configurable Voltage-Level Shifting and 3-State Outputs, RSV0016A (UQFN-16) U11, U21 SN74AVC4T774RSVR 2 Texas Instruments RSV0016A Texas Instruments
Fitted Level-Translating I2C Bus Buffer/Repeater, DGK0008A (VSSOP-8) U12 TCA9802DGKR 1 Texas Instruments DGK0008A Texas Instruments TCA9802DGKT
Fitted Dual-Bit, 2-DIR pin Dual-Supply Bus Transceiver w/ Configurable Voltage Translation, 3-State Output, UQFN-10, RSW0010A (UQFN-10) U13 SN74AVC2T245RSWR 1 Texas Instruments RSW0010A Texas Instruments
Fitted 0.9V to 6.5V, Nano-Power Comparator, DCK0005A (SOT-SC70-5) U14 TLV3691IDCKR 1 Texas Instruments DCK0005A Texas Instruments TLV3691IDCKT
Fitted Single 2-Line to 1-Line Data Selector/Multiplexer, DCT0008A, LARGE T&R U15, U19 SN74LVC2G157DCTR 2 Texas Instruments DCT0008A Texas Instruments SN74LVC2G157DCUT
Fitted Dual 1-of-4 FET Multiplexer/Demultiplexer 2.5-V/3.3-V Low-Voltage High-Bandwidth Bus Switch, RGY0016A (VQFN-16) U16 SN74CB3Q3253RGYR 1 Texas Instruments RGY0016A Texas Instruments
Fitted Low-Voltage 8-Bit I2C and SMBus I/O Expander, 1.65 to 5.5 V, -40 to 85 degC, 16-pin UQFN (RSV), Green (RoHS & no Sb/Br) U17 TCA6408ARSVR 1 Texas Instruments RSV0016A
Fitted Dual Buffer Gate, DRL0006A, LARGE T&R U18 SN74LVC2G34DRLR 1 Texas Instruments DRL0006A Texas Instruments
Fitted Single 2-Input Positive-AND Gate, DCK0005A, LARGE T&R U20 SN74LVC1G08DCKR 1 Texas Instruments DCK0005A
Fitted Single Bus Buffer Gate With 3-State Outputs, DCK0005A, LARGE T&R U22 SN74LVC1G125DCKR 1 Texas Instruments DCK0005A
Fitted IC MCU 512KB RAM, 128TQFP U24 'XUF216-512-TQ128-C20 1 XMOS semiconductor TQFP-128 XMOS semiconductor XEF216-512-TQ128-C20
Fitted 512K I2C Serial EEPROM, TSSOP U25 24FC512-I/ST 1 Microchip TSSOP-8 onsemi CAT24C512YI-GT3
Fitted Programmable 1-PLL VCXO Clock Synthesizer with 2.5-V or 3.3-V LVCMOS Outputs, PW0014A (TSSOP-14) U26 CDCE913PWR 1 Texas Instruments PW0014A Texas Instruments CDCE913PW
Fitted Dual-Bit Dual-Supply Bus Transceiver, DQE0008A, LARGE T&R U27 SN74AVC2T244DQER 1 Texas Instruments DQE0008A
Fitted Single-Channel Ultra-Small Adjustable Supervisory Circuit With Active-High Open-Drain Output, DRY0006A (USON-6) U28 TPS3897ADRYR 1 Texas Instruments DRY0006A
Fitted Enhanced Product Dual Buffer/Driver with Open-Drain Output, DCK0006A (SOT-SC70-6) U29 SN74LVC2G07DSFR 1 Texas Instruments DSF0006A
Fitted 12.6-V, 7-A Fully-Integrated Synchronous Boost Converters in 2.0-mm x 2.5-mm VQFN Package, RNR0011A (VQFN-HR-11) U30 TPS61089RNRR 1 Texas Instruments RNR0011A Texas Instruments TPS61089RNRT
Fitted OSC, 24 MHz, 2.25 - 3.63 V, SMD Y1 ASTMLPA-24.000MHZ-EJ-E-T 1 Abracon Corporation 2x1.6mm
Not Fitted CAP, CERM, 0.1 uF, 50 V, +/- 10%, X7R, 0402 C5, C6 C1005X7R1H104K050BB 0 TDK 0402 0.1uF
Not Fitted CAP, CERM, 2200 pF, 10 V, +/- 10%, X5R, 0402 C14, C16 GRM155R61A222KA01D 0 MuRata 0402 2200pF
Not Fitted CAP, CERM, 0.1 uF, 10 V, +/- 10%, X7R, 0402 C17 GRM155R71A104KA01D 0 MuRata 0402 0.1uF
Not Fitted Fiducial mark. There is nothing to buy or mount. FID1, FID2, FID3, FID4, FID5, FID6 N/A 0 N/A Fiducial
Not Fitted Header, 2.54 mm, 5x2, Gold, TH J30 61301021121 0 Wurth Elektronik Header, 2.54mm, 5x2, TH
Not Fitted RES, 68.1 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 R7, R8 CRCW040268K1FKED 0 Vishay-Dale 0402 68.1k
Not Fitted RES, 0, 5%, 0.1 W, AEC-Q200 Grade 0, 0603 R26 ERJ-3GEY0R00V 0 Panasonic 0603 0
Not Fitted RES, 1.91 k, 1%, 0.1 W, 0603 R40, R41 RC0603FR-071K91L 0 Yageo 0603 1.91k
Not Fitted RES, 20.0 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 R96, R97 CRCW040220K0FKED 0 Vishay-Dale 0402 20.0k