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This user's guide describes the characteristics, operation, and use of the TAS2770EVM-STEREO
Reference Board. A complete schematic diagram, printed-circuit board layouts, and bill of materials are
included in this document.
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SLOU497 - October 2017
Submit Documentation Feedback
TAS2770 Stereo Evaluation Module
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Copyright © 2017, Texas Instruments Incorporated
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User's Guide
SLOU497 - October 2017
TAS2770 Stereo Evaluation Module
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Table of Contents
Related Manuals for Texas Instruments TAS2770
Summary of Contents for Texas Instruments TAS2770
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Page 1: Table Of Contents
PCB: Bottom Solder Mask ....................PCB: Bottom Silk Screen List of Tables ..................Reference Board Specifications ................TAS2770 Reference Board Bill of Materials SLOU497 – October 2017 TAS2770 Stereo Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 2: Description
Trademarks Description The TAS2770 is a mono digital input Class-D audio amplifier optimized for efficiently driving high peak power into small loudspeakers. The Class-D amplifier is capable of delivering 18.3 W of peak power into a 4 Ω load while sustaining 1 % THD+N at a battery voltage of 13.8 V. Integrated speaker voltage and current sense provides for real time monitoring of loudspeaker behavior. -
Page 3: Tas2770Evm-Stereo Stereo Configuration
9. Set the sampling rate using the Windows® setting by opening Properties > Advanced. The TAS2770EVM-STEREO supports 44.1 KHz and 48KHz sampling rates. SLOU497 – October 2017 TAS2770 Stereo Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 4: Mono Setup
4. Set jumper J13 to select the desired I2C address for channel 1. 5. Connect the EVM to a Windows® 7+ PC with a micro-USB cable (J16). TAS2770 Stereo Evaluation Module SLOU497 – October 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 5: Multi-Channel Setup
7. Proceed to configure the device using PPC3. 8. Connect the leftmost EVM to a Windows® 7+ PC with a micro-USB cable (J16). SLOU497 – October 2017 TAS2770 Stereo Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 6: Digital Audio Interfaces
Figure 5. Multi-Channel Setup Digital Audio Interfaces The various digital audio interfaces on the TAS2770 Reference Board can be selected through hardware settings and software settings. Several headers close to the TAS2770 device allow access to the following digital audio signals: •... -
Page 7: Usb Audio Input Configuration
• SoundwireSM address – SCL A jumper inserted in the SW slot of J13 sets the TAS2770 to SoundwireSM mode. Then J11 can be set as desired to configure the device address. The selection between USB (internal) and External inputs is controlled by jumpers J2 and J6. -
Page 8: Ap/Psia Input Configuration
Digital Audio Interfaces www.ti.com Figure 7. AP/PSIA Input Configuration TAS2770 Stereo Evaluation Module SLOU497 – October 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 9: Hardware Documentation
GND-USB 100k 0.1µF 43.2 X-RSTN 2.2µF 51.0k TPS3897ADRYR X-TCK X-TMS 470pF X-TRSTN X-TDI X-TDO SN74LVC2G07DSFR TRST XEF216-512-TQ128-C20 Figure 8. Schematic: XMOS USB Controller SLOU497 – October 2017 TAS2770 Stereo Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 10: Schematic: Input Multiplexing And Level Shift
EXT-IN SDZ-XTLR > > 3.3V > SDZ-EXTIN TO DUT AND EXT-OUT OUT=INTERNAL IN=EXTERNAL 10.0k I2C-SEL Figure 9. Schematic: Input Multiplexing and Level Shift TAS2770 Stereo Evaluation Module SLOU497 – October 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 11: Schematic: External Input / Output Routing
< SCL-EXTIN SCL-EXTOUT SDA-EXTIN SDA-EXTOUT SDZ-EXTIN > > IRQZ IRQZ < < INPUT OUTPUT (EXT) Figure 10. Schematic: External Input / Output Routing SLOU497 – October 2017 TAS2770 Stereo Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 12: Schematic: Tas2770 Channel 1 Control
3.3V MODE1 SDA1 2.2k I2C-SEL_CTRL 3.3V 3.3V I2C-SEL_CTRL SN74LVC2G66YZPR TO TAS2772 #2 I2C-SEL LVC1G14 I2C-SEL_CTRL 10.0k Figure 11. Schematic: TAS2770 Channel 1 Control TAS2770 Stereo Evaluation Module SLOU497 – October 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 13: Tas2770 Channel 2 Control
Mode Settings SCL2 1.8V 10.0k I2C-SEL_CTRL MODE2 SN74LVC2G66YZPR 3.3V MODE2 SDA2 2.2k I2C-SEL_CTRL 3.3V I2C-SEL_CTRL SN74LVC2G66YZPR I2C-SEL_CTRL LVC1G14 Figure 12. TAS2770 Channel 2 Control SLOU497 – October 2017 TAS2770 Stereo Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 14: On-Board Power
470nH 22µF 40.2k 22µF 0.1µF 1.00M 162k TPS62085RLTR 5V to 1V BUCK LDO 3.3V 1.8V TPS73618DBVR 1µF 0.1µF 0.01µF Figure 13. On-Board Power TAS2770 Stereo Evaluation Module SLOU497 – October 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 15: Pcb: Top Silkscreen
Hardware Documentation www.ti.com TAS2770 Reference Board Printed Circuit Board Layout Figure 14. PCB: Top Silkscreen SLOU497 – October 2017 TAS2770 Stereo Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 16: Pcb: Top Solder Mask
Hardware Documentation www.ti.com Figure 15. PCB: Top Solder Mask TAS2770 Stereo Evaluation Module SLOU497 – October 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 17: Pcb: Top Copper
Hardware Documentation www.ti.com Figure 16. PCB: Top Copper SLOU497 – October 2017 TAS2770 Stereo Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 18: Pcb: Copper Layer 2
Hardware Documentation www.ti.com Figure 17. PCB: Copper Layer 2 TAS2770 Stereo Evaluation Module SLOU497 – October 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 19: Pcb: Copper Layer 3
Hardware Documentation www.ti.com Figure 18. PCB: Copper Layer 3 SLOU497 – October 2017 TAS2770 Stereo Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 20: Pcb: Bottom Copper
Hardware Documentation www.ti.com Figure 19. PCB: Bottom Copper TAS2770 Stereo Evaluation Module SLOU497 – October 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 21: Pcb: Bottom Solder Mask
Hardware Documentation www.ti.com Figure 20. PCB: Bottom Solder Mask SLOU497 – October 2017 TAS2770 Stereo Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 22: Pcb: Bottom Silk Screen
Hardware Documentation www.ti.com Figure 21. PCB: Bottom Silk Screen TAS2770 Stereo Evaluation Module SLOU497 – October 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 23: Tas2770 Reference Board Bill Of Materials
Hardware Documentation www.ti.com TAS2770 Reference Board Bill of Materials Table 2. TAS2770 Reference Board Bill of Materials Designator Value Description Package Reference Part Number Manufacturer Alternate Part Alternate Number Manufacturer !PCB1 Printed Circuit Board C1, C2, C5, C6, 0.1 µF CAP, CERM, 0.1... - Page 24 Hardware Documentation www.ti.com Table 2. TAS2770 Reference Board Bill of Materials (continued) C15, C21 2.2 µF CAP, CERM, 2.2 0603 C1608X7R1A225 µF, 10 V,± 10%, K080AC X7R, 0603 C42, C61, C65, 0.1 µF CAP, CERM, 0.1 0402 GRM155R71C10 MuRata µF, 16 V, ± 10%,...
- Page 25 Hardware Documentation www.ti.com Table 2. TAS2770 Reference Board Bill of Materials (continued) H1, H2, H3, H4 Machine Screw, Screw NY PMS 440 B&F Fastener Round, #4-40 x 0025 PH Supply 1/4, Nylon, Philips panhead H5, H6, H7, H8 Standoff, Hex,...
- Page 26 Hardware Documentation www.ti.com Table 2. TAS2770 Reference Board Bill of Materials (continued) J23, J28 Binding Post, 11.4x27.2mm 7006 Keystone RED, TH J24, J30 Binding Post, 11.4x27.2mm 7007 Keystone BLACK, TH 300 Ω Ferrite Bead, 300 0806 NFZ2MSM301S MuRata Ω @ 100 MHz, N10L 3.1 A, 0806...
- Page 27 Hardware Documentation www.ti.com Table 2. TAS2770 Reference Board Bill of Materials (continued) 1.0k RES, 1.0 k, 5%, 0402 CRCW04021K00 Vishay-Dale 0.063 W, 0402 JNED RES, 4.7, 5%, 0603 CRCW06034R70 Vishay-Dale 0.1 W, 0603 JNEA 25.5k RES, 25.5 k, 1%, 0201...
- Page 28 Hardware Documentation www.ti.com Table 2. TAS2770 Reference Board Bill of Materials (continued) TP1, TP2, TP5, Orange Test Point, Orange Miniature Testpoint 5003 Keystone TP6, TP7, TP8, Miniature, TP9, TP10, Orange, TH TP16, TP17, TP25, TP26, TP27, TP28, TP38, TP39, TP40, TP41,...
- Page 29 Hardware Documentation www.ti.com Table 2. TAS2770 Reference Board Bill of Materials (continued) U4, U15 TCA9406 Dual DCU0008A TCA9406DCUR Texas Equivalent Texas Bidirectional 1- Instruments Instruments MHz I2C-BUS and SMBus Voltage Level- Translator, 1.65 to 3.6 V, -40 to 85 degC, 8-pin US8 (DCU), Green (RoHS &...
- Page 30 Hardware Documentation www.ti.com Table 2. TAS2770 Reference Board Bill of Materials (continued) U12, U17 4-Bit 1-of-2 FET DGV0016A SN74CB3Q3257 Texas Texas Multiplexer/Demu DGVR Instruments Instruments ltiplexer 2.5- V/3.3-V Low- Voltage High- Bandwidth Bus Switch, DGV0016A Single Output DBV0005A TPS73618DBVR Texas...
- Page 31 Hardware Documentation www.ti.com Table 2. TAS2770 Reference Board Bill of Materials (continued) U26, U27 SINGLE DRL0005A SN74LVC1G14D Texas Texas SCHMITT- Instruments Instruments TRIGGER INVERTER, DRL0005A (SOT-5) OSC, 24 MHz, 2x1.6mm ASTMLPA- Abracon 2.25 - 3.63 V, 24.000MHZ-EJ- Corporation SLOU497 – October 2017...
- Page 32 TAS2770 Stereo Evaluation Module SLOU497 – October 2017 Submit Documentation Feedback...
- Page 33 IMPORTANT NOTICE FOR TI DESIGN INFORMATION AND RESOURCES Texas Instruments Incorporated (‘TI”) technical, application or other design advice, services or information, including, but not limited to, reference designs and materials relating to evaluation modules, (collectively, “TI Resources”) are intended to assist designers who are developing applications that incorporate TI products;...
- Page 34 IMPORTANT NOTICE FOR TI DESIGN INFORMATION AND RESOURCES Texas Instruments Incorporated (‘TI”) technical, application or other design advice, services or information, including, but not limited to, reference designs and materials relating to evaluation modules, (collectively, “TI Resources”) are intended to assist designers who are developing applications that incorporate TI products;...
- Page 35 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments TAS2770EVM-STEREO...
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