Texas Instruments DEM-DAI3793A manual Important Notice

Page 101

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 latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment.

TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty. Except where mandated by government requirements, testing of all parameters of each product is not necessarily performed.

TI assumes no liability for applications assistance or customer product design. Customers are responsible for their products and applications using TI components. To minimize the risks associated with customer products and applications, customers should provide adequate design and operating safeguards.

TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right, copyright, mask work right, or other TI intellectual property right relating to any combination, machine, or process in which TI products or services are used. Information published by TI regarding third-party products or services does not constitute a license from TI to use such products or services or a warranty or endorsement thereof. Use of such information may require a license from a third party under the patents or other intellectual property of the third party, or a license from TI under the patents or other intellectual property of TI.

Reproduction of TI information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties, conditions, limitations, and notices. Reproduction of this information with alteration is an unfair and deceptive business practice. TI is not responsible or liable for such altered documentation. Information of third parties may be subject to additional restrictions.

Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business practice. TI is not responsible or liable for any such statements.

TI products are not authorized for use in safety-critical applications (such as life support) where a failure of the TI product would reasonably be expected to cause severe personal injury or death, unless officers of the parties have executed an agreement specifically governing such use. Buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use of TI products in such safety-critical applications, notwithstanding any applications-related information or support that may be provided by TI. Further, Buyers must fully indemnify TI and its representatives against any damages arising out of the use of TI products in such safety-critical applications.

TI products are neither designed nor intended for use in military/aerospace applications or environments unless the TI products are specifically designated by TI as military-grade or "enhanced plastic." Only products designated by TI as military-grade meet military specifications. Buyers acknowledge and agree that any such use of TI products which TI has not designated as military-grade is solely at the Buyer'srisk, and that they are solely responsible for compliance with all legal and regulatory requirements in connection with such use.

TI products are neither designed nor intended for use in automotive applications or environments unless the specific TI products are designated by 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

 

Applications

 

Amplifiers

amplifier.ti.com

Audio

www.ti.com/audio

Data Converters

dataconverter.ti.com

Automotive

www.ti.com/automotive

DSP

dsp.ti.com

Broadband

www.ti.com/broadband

Interface

interface.ti.com

Digital Control

www.ti.com/digitalcontrol

Logic

logic.ti.com

Military

www.ti.com/military

Power Mgmt

power.ti.com

Optical Networking

www.ti.com/opticalnetwork

Microcontrollers

microcontroller.ti.com

Security

www.ti.com/security

RFID

www.ti-rfid.com

Telephony

www.ti.com/telephony

Low Power

www.ti.com/lpw

Video & Imaging

www.ti.com/video

Wireless

 

 

 

 

 

Wireless

www.ti.com/wireless

Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265

Copyright © 2007, Texas Instruments Incorporated

Page 100 Page 101
Image 101
Page 100 Page 101
Contents Users Guide Submit Documentation Feedback Contents 100 List of Figures Side List of Tables Submit Documentation Feedback Information About Cautions and Warnings About This Manual How to Use This ManualAdditional Documentation Related Documentation From Texas InstrumentsIf You Need Assistance FCC Warning TrademarksPin Assignments and Terminal Functions DescriptionIntroduction-PCM3793A/94A Key FeaturesIntroduction-PCM3793A/94A PCM3793A/94A Terminal Functions Pin Assignments and Terminal FunctionsDEM-DAI3793A/3794A EVM Description DEM-DAI3793A/3794A EVM System DiagramSBAU127 -July Getting Started Unpacking the EVM Electrostatic Discharge WarningEVM Configuration Default ConfigurationDaughter Card #2 DEM-TRVC/LPC MotherboardSet-Up Guide User Interface Panel Basic Operating Set-UpSoftware Control and Operation Module Function Controls Power On/Off SequenceHP COM/MONO HPC Power Up/DownPCM3793A/94A Resistor 1257dh RES40 Resistor Value Control Power Up/Down Time ms OptionsSetting Default Setting Record Ramp Up Wave Form with DefaultDigital Out Mute Control Options Gain Control for ADC Input OptionsDigital Mute ATR Options Playback Function Menu Tab PlaybackSpeaker Gain Control Options Headphone Gain Control OptionsALC Automatic Level Control Digital Attenuation ATP OptionsAuto Level Control Record Options Source Options Signal ProcessingOutput Options Tone Control OptionsClick Apply to Filter 1 or Apply to Filter 3D Effect Options15. Notch Filter Characteristic Model Zero Cross Control Options DAC Oversampling Control OptionsDe-Emphasis Filter Options High-Pass Filter Options18. Analog Path Function Menu Tab Analog PathD2S Select Options Analog Input OptionsAnalog Mixer Options Mic Boost OptionsAudio Interface Setting 2 Options Audio Interface Setting 1 OptionsPG5 Gain and PG6 Gain Options Audio InterfaceHP COM Short Detection Options HP Detection OptionsHP Short Detection, L-Ch HP Detection, R-Ch Speaker Short Detection, L-Ch Speaker Short Detection, R-ChDigital Amplifier 4 LC89052T DIR Digital Audio I/F Receiver Control Window24. Register Setting History Window Register Setting History25. Opening and Modifying a .csv File Modifying a .csv FileWrite function Register Direct AccessRead function Daughter Card #2 DIR LC89052T and DIT DIT4096 Switches and ConnectorsPower-Supply Terminals for PCM3793A Power-Supply Pins Main Power Supply and RegulatorOverview MotherboardI/F Controller MSP430, TUSB3410 Audio I/OAnalog Input and Output-Daughter Card #1 Daughter Card #1 PCM3793AAnalog Output Configuration Daughter Card #1 Audio Clock and Input Data Control Format-Daughter Card #2 Daughter Card #2 DIR LC89052T and DIT DIT4096Analog Input and Output-Daughter Card #2 Evaluation and Measurements Slave Mode Configuration With SYS-2722 Slave Mode With Audio Precision SYS-2722 Default SettingJumper Configuration for Slave Mode Default Master Mode Configuration With SYS-2722 Master Mode with Audio Precision SYS-2722Jumper Configuration for Master Mode Combined Master and Slave Modes With PSIA-2722 Combined Master and Slave Mode Configuration with SYS-2722Jumper Configuration for Combined Master and Slave Modes Measurements for Dynamic CharacteristicsΩ Headphone Output Inserted in Headphone Jack J6 Digital-to-Analog D/A PerformanceD/A Line Output Parameters Analog-to-Digital A/D Performance Speaker Output Power PerformanceA/D Line Input Parameters Stereo Speaker Output ParametersLC Low-Pass Filter Speaker Output Filter ConfigurationResult BPZ Zero Data Input Result -60dB Input Amplitude Versus Frequency Performance4.1 A/D Spectrum 11. D/A Amplitude vs Frequency 4.2 D/A SpectrumPCM3793A/94A Connection Diagram for Practical Applications16. Recommended Ferrite Bead Filter for Speaker Output Filter Consideration for Speaker OutputSchematic, PCB Layout, and Bill of Materials PCM3793A DEM-PCM3793RHB-A Connector Daughter Card #1 SchematicsPCM3793A DEM-PCM3793RHB-A Daughter Card #1 PCM3793A DEM-PCM3793RHB-A Board Layout-Silkscreen Side Printed Circuit Board LayoutPCM3793A DEM-PCM3793RHB-A Board Layout-Component Side PCM3793A DEM-PCM3793RHB-A Board Layout-Inner Layer PCM3793A DEM-PCM3793RHB-A Board Layout-Inner Layer PCM3793A DEM-PCM3793RHB-A Board Layout-Solder Side Bill of Materials Component ListSubmit Documentation Feedback Appendix a Table A-1. .csv Files Reference .csv FilesFigure A-1. Line Output and Headphone Output Related Signal Flow DiagramsFigure A-2. Headphone Output with Sound Effect Figure A-3. Cap-Less Headphone Output Figure A-4. Headphone Output with Line Input AIN2L/AIN2R 0dB AIN3L MUX1 AIN2L AIN1L D2S AIN1R MUX2 AIN3R AIN2R Figure A-7. Stereo Speaker Output Figure A-8. Mono Speaker Output Figure A-9. Speaker Output with Line Input AIN2L/AIN2R Figure A-10. Speaker Output with Mono Mic Input AIN1L, +20dB +20dB Figure A-12. Line Input AIN2L/AIN2R to Headphone Output Figure A-13. Mono Line Input AIN2L to Headphone Output Figure A-14. Mono Mic Input AIN1L, +20dB to Headphone Output +20dB Figure A-16. Mono Mic Input AIN1L, +20dB to Speaker Output Figure A-17. Line Input AIN3L/AIN3R Figure A-18. Mic Input AIN1L/AIN1R, +20dB Figure A-19. Mic Input AIN1L/AIN1R, +20dB with ALC Figure A-20. Mono Mic Input AIN1L, +20dB Figure A-21. Mono Mic Input AIN1L, +20dB with ALC Figure A-22. Mono Diff Mic Input AIN1L/AIN1R, +20dB Figure A-23. Mono Diff Mic Input AIN1L/AIN1R, +20dB with ALC Interfacing to DSPs Figure A-24. Slave Mode OperationPackage Information Table A-2. Recommended Power-On Sequence for PCM3793ARegister Control with DSP Interface FCC Warning Evaluation BOARD/KIT Important NoticeImportant Notice

DEM-DAI3793A specifications

The Texas Instruments DEM-DAI3793A is a versatile digital-to-analog converter (DAC) evaluation module designed for assessing the performance and capabilities of TI's DACs in various applications. This module features the high-performance DAC3793, which is widely recognized for its precision and flexibility, making it an ideal choice for audio, industrial automation, and communication systems.

One of the standout features of the DEM-DAI3793A is its ability to support a 16-bit resolution. This high resolution enables the module to provide fine granularity in signal representation, ensuring that even the most subtle changes in the input signal are accurately reflected in the output. The DAC3793 also boasts a high sampling rate, which is crucial for applications that require rapid signal processing and real-time data conversion.

The module incorporates advanced technologies such as dynamic element matching and integrated circuitry to minimize distortion and noise. These technologies are crucial for achieving high-fidelity audio playback and improving overall system performance. Additionally, the DEM-DAI3793A is designed to minimize power consumption while maintaining exceptional performance levels, making it suitable for battery-operated devices and energy-conscious applications.

Another significant characteristic of the DEM-DAI3793A is its ease of integration with various development environments. The evaluation module supports both hardware and software interfacing, allowing engineers to quickly prototype and test their designs. It comes equipped with a USB interface for seamless connectivity with computers, along with supporting software tools that facilitate the configuration and testing of the DAC's functionalities.

The DEM-DAI3793A is also designed with a robust set of output options, including differential and single-ended outputs. This flexibility allows for compatibility with a wide range of amplification and filtering circuits. Furthermore, the evaluation module is equipped with convenient power supply options, enabling it to operate in various settings without the need for extensive modifications.

In conclusion, the Texas Instruments DEM-DAI3793A is an exceptional evaluation module that showcases the capabilities of the DAC3793. With its high resolution, advanced technologies, ease of integration, and flexible output options, it serves as an indispensable tool for engineers and developers working on high-performance audio and data processing applications.
Top Page Image Contents