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This user's guide describes the operation of the evaluation module for the TAS5518
Digital Audio PWM Processor and the TAS5261 Digital Amplifier Power Output Stage
from Texas Instruments.
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Protection
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Related Documentation from Texas Instruments
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Integrated PurePath Digital™ Amplifier System
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Physical Structure for the TAS5518-5261K2EVM (Approximate Layout)
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Recommended Power-Up Sequence
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J901 and J900 Pin Numbers
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J902 Pin Numbers
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J100 and J200 Pin Numbers
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Recommended Supply Voltages
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Recommended Supply Voltages
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J900 Pin Description
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J100 and J200 Pin Description
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TAS5621 Warning/Error Signal Decoding
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Related Documentation From Texas Instruments
PurePath Digital, Equibit are trademarks of Texas Instruments.
Windows is a trademark of Microsoft Corporation.
SLAU193 - October 2006
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Contents
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List of Figures
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TAS5518-5261K2EVM
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User's Guide
SLAU193 - October 2006
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TAS5518-5261K2EVM
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Related Manuals for Texas Instruments TAS5518-5261K2EVM
Summary of Contents for Texas Instruments TAS5518-5261K2EVM
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Page 1: Table Of Contents
.................... Protection ..........Related Documentation from Texas Instruments List of Figures ..........Integrated PurePath Digital™ Amplifier System ....Physical Structure for the TAS5518-5261K2EVM (Approximate Layout) ................TAS5518 GUI Window ............Recommended Power-Up Sequence ..............J901 and J900 Pin Numbers .................. -
Page 2: Overview
Overview Overview The TAS5518-5261K2EVM PurePath Digital™ customer evaluation amplifier module demonstrates the two audio integrated circuits TAS5518 and TAS5261 from Texas Instruments (TI). TAS5518PAG is a high-performance, 32-bit (24-bit input) multichannel PurePath Digital™ pulse width modulator (PWM) based on Equibit™ technology with fully symmetrical AD modulation scheme. It accepts input sample rates from 32 kHz to 192 kHz. -
Page 3: Quick Setup Guide
Figure 2. Physical Structure for the TAS5518-5261K2EVM (Approximate Layout) Quick Setup Guide This section describes the TAS5518-5261K2EVM board in regards to power supplies and system interfaces. The section provides information regarding handling and unpacking, absolute operating conditions, and a description of the factory default switch and jumper configuration. - Page 4 • 2 pc. Cables for speaker connection. • 1 pc. PurePath Digital™ CD-ROM: If any of these items is missing, contact the Texas Instruments Product Information Center nearest you to inquire about a replacement. Connect Input-USB board to TAS5518-5261K2EVM using the two delivered IDC cables.
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Page 5: System Interfaces
For more advanced use of the GUI, see the GUI user’s guide and data sheet for the TAS5518. System Interfaces This section describes the TAS5518-5261K2EVM board in regards to power supplies and system interfaces. Power Supply (PSU) Interface (J901 and J900) The TAS5518-5261K2EVM module must be powered from external power supplies. -
Page 6: J901 Pin Description
Output stage power supply SYSTEM System Power Supply Ground Ground Table 4. J900 Pin Description Net-Name on Schematics Description PVDD Extra Output stage power supply PVDD Extra Output stage power supply Extra Ground Extra Ground TAS5518-5261K2EVM SLAU193 – October 2006 Submit Documentation Feedback... - Page 7 (e.g., through an oscilloscope). Figure 7. J100 and J200 Pin Numbers Table 6. J100 and J200 Pin Description Net-Name on Schematics Description OUT-1 Speaker negative output OUT-2 Speaker positive output SLAU193 – October 2006 TAS5518-5261K2EVM Submit Documentation Feedback...
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Page 8: J40 Pin Description
System Interfaces Control Interface (J40) This interface connects the TAS5518-5261K2EVM board to a TI input-USB board. Table 7. J40 Pin Description Net-Name on Schematics Description Ground RESERVED — Ground RESET System reset (bi-directional). Activate MUTE before RESET for quiet reset RESERVED —... -
Page 9: J60 Pin Description
If the high-current situation persists, i.e., the power stage is being overloaded, a second protection system triggers a latching shutdown, resulting in the power stage being set in the high-impedance (Hi-Z) state. SLAU193 – October 2006 TAS5518-5261K2EVM Submit Documentation Feedback... - Page 10 Related Documentation from Texas Instruments The following table contains a list of documents that have detailed descriptions of the integrated circuits used in the design of the TAS5518-5261K2EVM. These documents can be obtained at the TI Web site http://www.ti.com. Table 10. Related Documentation From Texas...
- Page 11 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.
- Page 12 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...
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