Page 3 - Overview; PCB Key Map; System Interfaces; Loudspeaker Connectors (J101; Protection; Short-Circuit Protection and Fault-Reporting Circuitry; Related Documentation From Texas Instruments; Trademarks; Important Notices
Contents 1 Overview ................................................................................................................... 5 1.1 TAS5508-5142K7EVM Features .................................................................................. 6 1.2 PCB Key Map .................................
Page 5 - Chapter 1
Chapter 1 SLEU071 – June 2006 Overview The TAS5508-5142K7EVM PurePath Digital™ customer evaluation amplifier moduledemonstrates two audio integrated circuits, TAS5508B and TAS5142, from TexasInstruments (TI). The TAS5508BPAG is a high-performance 32-bit (24-bit input) multichannel PurePathDigital pu...
Page 6 - Stereo channel line output; Figure 1-1. Integrated PurePath DigitalTM Amplifier System
www.ti.com 1.1 TAS5508-5142K7EVM Features I2S Bus TAS 5508-5142K7EVM MODULE I2C Bus Example TI Input-USB board 6 Channel Analog Input USB Interface Optical and Coaxia l S/PDIF Input Control Interface Power Supply 7 Channel Speaker Output 2 Channel Headphone Output TAS5508-5142K7EVM Features • 7-chan...
Page 7 - Physical structure for the TAS5508-5142K7EVM is illustrated in
www.ti.com 1.2 PCB Key Map SPEAKER OUTPUTS SPEAKER OUTPUTS TAS 5508B O U T P U T S T A G E C H A N N E L 1 O U T P U T S T A G E C H A N N E L 3 O U T P U T S T A G E C H A N N E L 2 O U T P U T S T A G E C H A N N E L 4 O U T P U T S T A G E C H A N N E L 5 3.3V Regulator 5 V R e g u la to r G a te...
Page 9 - Chapter 2; VOLTAGE
2.1 Power Supply (PSU) Interface (J901 and J900) Output stage power supply RESET >1ms System power supply 4 1 2 3 (PCB connector top view) Chapter 2 SLEU071 – June 2006 System Interfaces This chapter describes the TAS5508-5142K7EVM board in regards to power suppliesand system interfaces. The TAS5...
Page 10 - CAUTION
www.ti.com 2.2 PSU Control Interface (J902) 1 2 3 5 4 (PCB connector top view) 2.3 Loudspeaker Connectors (J101 … J107) PSU Control Interface (J902) Table 2-2. J901 Pin Description PIN NO. NET-NAME AT SCHEMATICS DESCRIPTION 1 PVDD Output-stage power supply 2 SYSTEM System power supply 3 GND Ground 4...
Page 13 - The digital audio interface contains digital audio signal data (I; NET-NAME AT SCHEMATICS
www.ti.com 2.6 Digital Audio Interface (J60) Digital Audio Interface (J60) The digital audio interface contains digital audio signal data (I 2 S), clocks, etc. Please see the TAS5508B Data Manual for signal timing and details not explained in this document. Table 2-8. J60 Pin Description PIN NO. NET...
Page 15 - Chapter 3; OTW
3.1 Short-Circuit Protection and Fault-Reporting Circuitry 3.2 Fault Reporting Chapter 3 SLEU071 – June 2006 Protection This chapter describes the short-circuit protection and fault-reporting circuitry of theTAS5142 device. The TAS5142 is a self-protecting device that provides fault reporting (inclu...
Page 16 - Fault Reporting
www.ti.com Fault Reporting Protection 16 SLEU071 – June 2006 Submit Documentation Feedback
Page 17 - Chapter 4; Additional documents
4.1 Trademarks Chapter 4 SLEU071 – June 2006 Related Documentation From Texas Instruments The following is a list of documents that have detailed descriptions of the integrated circuits used in thedesign of the TAS5508-5142K7EVM. This information can be obtained at the URL http://www.ti.com . • TAS5...
Page 19 - EVM WARNINGS AND RESTRICTIONS; Copyright © 2006, Texas Instruments Incorporated
EVM WARNINGS AND RESTRICTIONS It is important to operate this EVM within the input voltage range of 0 to 32 V and the outputvoltage range of 15 V to 20 V. Exceeding the specified input range may cause unexpected operation and/or irreversible damageto the EVM. If there are questions concerning the in...
Page 20 - IMPORTANT NOTICE; Products
IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) 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 notice.Customers should obtain the l...