EVAL MODULE FOR TAS5508B/TAS5121

TAS5508-5121K8EVM

Manufacturer Part NumberTAS5508-5121K8EVM
DescriptionEVAL MODULE FOR TAS5508B/TAS5121
ManufacturerTexas Instruments
SeriesPurePath Digital™
TAS5508-5121K8EVM datasheet
 


Specifications of TAS5508-5121K8EVM

Amplifier TypeClass DOutput Type1-Channel (Mono)
Max Output Power X Channels @ Load100W x 1 @ 4 OhmVoltage - Supply10.8 V ~ 13.2 V
Operating Temperature0°C ~ 70°CBoard TypeFully Populated
Utilized Ic / PartTAS5121, TAS5508BDescription/functionAudio Amplifiers
ProductAudio ModulesLead Free Status / RoHS StatusLead free / RoHS Compliant
For Use With/related ProductsTAS5508B, TAS5121  
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TAS5508−5121K8EVM
Evaluation Module for the TAS5508B 8-Channel
Digital Audio PWM Processor and the TAS5121
Digital Amplifier Power Output Stage
User’s Guide

TAS5508-5121K8EVM Summary of contents

  • Page 1

    ... TAS5508−5121K8EVM Evaluation Module for the TAS5508B 8-Channel Digital Audio PWM Processor and the TAS5121 Digital Amplifier Power Output Stage User’s Guide ...

  • Page 2

    ... TI product or service and is an unfair and deceptive business practice not responsible or liable for any such statements. Following are URLs where you can obtain information on other Texas Instruments products and application solutions: ...

  • Page 3

    ... 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 finished end−product fit for general consumer use. Persons handling the product(s) must have electronics training and observe good engineering practice standards. As such, the goods being provided are not intended to be complete in terms of required design− ...

  • Page 4

    ... EVM schematic located in the EVM User’s Guide. When placing measurement probes near these devices during operation, please be aware that these devices may be very warm to the touch. Copyright © 2007, Texas Instruments Incorporated Mailing Address: Texas Instruments ...

  • Page 5

    ... About This Manual This manual describes the operation of the TAS5508−5121K8EVM evaluation module from Texas Instruments. How to Use This Manual This document contains the following chapters: Chapter 1 — Overview - Chapter 2 — System Interfaces - Chapter 3 — Protection - Information About Cautions and Warnings This manual may contain cautions and warnings ...

  • Page 6

    ... TPS3801K33 TPS76733 Additional Documentation TAS5508−5121K8EVM Application Report (SLEA034B) PC Configuration Tool for TAS5508B (TAS5508 GUI ver.4.0 or later) General Application Notes FCC Warning This equipment is intended for use in a laboratory test environment only. It generates, uses, and can radiate radio frequency energy and has not been ...

  • Page 7

    ... TAS5508−5121K8EVM Features 1.2 PCB Key Map ...

  • Page 8

    ... Figures 1−1 Integrated PurePath Digitalt Amplifier System 1−2 Physical Structure for the TAS5508−5121K8EVM (Rough Outline) 2−1 Recommended Power-Up Sequence 2−2 J71 and J70 Pin Numbers 2−3 J73 Pin Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 9

    ... The TAS5508−5121K8EVM PurePath Digital™ customer evaluation amplifier module demonstrates two audio integrated circuits, TAS5508B and TAS5121, from Texas Instruments (TI). The TAS5508BPAG is a high-performance 32-bit (24-bit input) multichannel PurePath Digital pulse width modulator (PWM) based on Equibit™ technology, with a new fully symmetrical AD modulation scheme. It accepts an input sample rate from 32 kHz to 192 kHz ...

  • Page 10

    ... TAS5508−5121K8EVM Features 1.1 TAS5508−5121K8EVM Features 8-channel PurePath Digital evaluation module - Stereo channel line output - Stereo headphone output - Self-contained protection system (short circuit and thermal) - Standard I - Double-sided plated-through PCB layout - Figure 1−1. Integrated PurePath DigitalE Amplifier System 6-Channel Analog Input ...

  • Page 11

    ... PCB Key Map The physical structure for the TAS5508−5121K8EVM is illustrated in Figure 1−2. Figure 1−2. Physical Structure for TAS5508−5121K8EVM (Rough Outline) J600 Left Line Right Line Output Output (J950) (J951) Headphone Output (J900) PSU J500 J800 J700 J400 Interface ...

  • Page 12

    1-4 ...

  • Page 13

    ... This chapter describes the TAS5508−5121K8EVM board regarding power supplies and system interfaces. Topic 2.1 Power Supply (PSU) Interface (J70, J71, and J73) 2.2 Loudspeaker Connectors (J100 . . . J800) 2.3 Line Out Connectors (J950 and J951) 2.4 Headphone Connector (J900) 2.5 Line Output Select (J50) ...

  • Page 14

    ... Power Supply (PSU) Interface (J70, J71, and J73) 2.1 Power Supply (PSU) Interface (J70, J71, and J73) The TAS5508−5121K8EVM module must be powered from external power supplies. High-end audio performance requires a stabilized power supply with low ripple voltage and low output impedance. ...

  • Page 15

    Table 2−2. J71 Pin Description Pin No Table 2−3. J70 Pin Description (Optional − Use to decrease of impedance to reach better performance) Pin No Figure 2−3. J73 Pin Numbers Table 2−4. ...

  • Page 16

    Loudspeaker Connectors (J100 . . . J800) Table 2−5. J72 Pin Description Pin No 2.2 Loudspeaker Connectors (J100 . . . J800) Both positive and negative speaker outputs are floating and may not be connected ...

  • Page 17

    Headphone Connector (J900) Figure 2−7. J900 Pin Numbers Table 2−8. J900 Pin Description Pin No 2.5 Line Output Select (J50) Figure 2−8. J50 Pin Numbers Table 2−9. J50 Pin Description Pin No. 1−2 2−3 2.6 ...

  • Page 18

    ... Backend error (or soft reset) provides reduced click and pop reset, without resetting I volume register settings. 6 MUTE Ramp volume from any setting to noiseless soft mute. Mute can also be activated PDN Power down. The TAS5508B goes to a power-down state when activated. 8 RESERVED SDA ...

  • Page 19

    ... Digital Audio Interface (J40) The digital audio interface contains digital audio signal data (I See the TAS5508B Data Manual (SLES162) for signal timing and details not explained in this document. Table 2−12.J40 Pin Description Pin Net-Name at No. Schematics Description 1 GND Ground 2 MCLK Master clock input ...

  • Page 20

    2-8 ...

  • Page 21

    This chapter describes the short-circuit protection and fault-reporting circuitry of the TAS5121 device. Topic 3.1 Short-Circuit Protection and Fault-Reporting Circuitry 3.2 Device Fault Reporting . . . . . . . . . . . . . . . . ...

  • Page 22

    Short-Circuit Protection and Fault-Reporting Circuitry 3.1 Short-Circuit Protection and Fault-Reporting Circuitry The TAS5121 is a self-protecting device that provides device fault reporting (including high-temperature protection and short-circuit protection). The TAS5121 is configured in back-end auto-recovery mode and, therefore, resets automatically ...

  • Page 23

    ... The OTW and SD outputs from the TAS5121 indicate fault conditions. See the TAS5121 data sheet (SLES086) for a description of these pins. The temperature warning signals at the TAS5508−5121K8EVM board are wired-OR to one temperature warning signal [OTW – pin 22 in control interface connector (J30)]. ...