List of Figures

1-1

PCM3793A Pin Assignments

14

1-2

PCM3794A Pin Assignments

14

1-3

DEM-DAI3793A/3794A EVM System Diagram

15

2-1

EVM Configuration

19

2-2

EVM and External Equipment Connections

20

3-1

User Interface Window

22

3-2

Communication Error Message

23

3-3

Power On/Off Sequence Function Buttons

23

3-4

Internal Module Power Up/Down Function Menu Tab

24

3-5

Ramp Up Wave Form with Default Setting

26

3-6

Ramp Down Wave Form with Default Setting

26

3-7

Record Function Menu Tab

26

3-8

EVM Modules Corresponding to Record Function

27

3-9

Playback Function Menu Tab

28

3-10

Modules Corresponding to Playback Function

29

3-11

ALC Function Menu Tab

30

3-12

ALC Compression and Expansion Characteristics

30

3-13

Signal Processing 1 Function Menu Tab

31

3-14

Three-Band Tone Control (Bass, Mid, Treble)

31

3-15

Notch Filter Characteristic Model

33

3-16

Example of Measured Notch Filter Characteristic

33

3-17

Signal Processing 2 Function Menu Tab

34

3-18

Analog Path Function Menu Tab

35

3-19

Modules Corresponding to Analog Path Function

36

3-20

Audio Interface Function Menu Tab

37

3-21

Status Detect Function Menu Tab

38

3-22

Digital Amplifier Function Menu Tab

39

3-23

LC89052 Interface Format Selection Options

39

3-24

Register Setting History Window

40

3-25

Opening and Modifying a .csv File

41

3-26

Register Direct Access Dialog

42

4-1

EVM Configuration

44

4-2

Analog Input Configuration (Daughter Card #1)

46

4-3

Analog Output Configuration (Daughter Card #1)

47

5-1

Slave Mode Configuration With SYS-2722

50

5-2

Jumper Configuration for Slave Mode (Default)

51

5-3

Master Mode Configuration With SYS-2722

52

5-4

Jumper Configuration for Master Mode

53

5-5

Combined Master and Slave Mode Configuration with SYS-2722

54

5-6

Jumper Configuration for Combined Master and Slave Modes

55

5-7

Speaker Output Filter Configuration

58

5-8

A/D Amplitude vs Frequency Result: BPZ (Zero Data) Input

59

5-9

A/D Amplitude vs Frequency Result: –60dB Input

59

5-10

A/D Amplitude vs Frequency Result: –1dB Input

59

5-11

D/A Amplitude vs Frequency Result: BPZ (Zero Data) Input

60

5-12

D/A Amplitude vs Frequency Result: –60dB Input

60

5-13

D/A Amplitude vs Frequency Result: 0dB Input

60

5-14

D/A Amplitude vs Frequency Result: Wide Range to 130kHz, BPZ (Zero Data) Input

60

5-15

Basic Connection Diagram

61

5-16

Recommended Ferrite Bead Filter for Speaker Output

62

5-17

Connection for Headphone Output and Insertion Detection

62

6-1

PCM3793A DEM-PCM3793RHB-A Connector (Daughter Card #1)

64

SBAU127 –July 2007

List of Figures

5

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Texas Instruments DEM-DAI3793A manual List of Figures

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.