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DEM-DAI3793A/3794A EVM Description

 

Table 1-1. PCM3793A/94A Terminal Functions (continued)

 

 

 

 

 

 

TERMINAL

 

 

 

 

 

 

 

 

NAME

PCM3793ARHB

PCM3794ARHB

I/O

DESCRIPTION

 

 

 

 

 

SCKI

7

7

I

System clock

SPOLN

14

–

O

Speaker output L-channel for negative (PCM3793A only)

SPOLP

15

–

O

Speaker output L-channel for positive (PCM3793A only)

SPORN

10

–

O

Speaker output R-channel for negative (PCM3793A only)

SPORP

11

–

O

Speaker output R-channel for positive (PCM3793A only)

VCC

20

20

–

Analog power supply

VCOM

18

18

–

Analog common voltage

VDD

5

5

–

Power supply for digital core

VIO

4

4

–

Power supply for digital I/O

VPA

12

12

–

Power supply for power amplifier

1.3DEM-DAI3793A/3794A EVM Description

The DEM-DAI3793A/3794A evaluation module permits user control of the entire PCM3793A/94A system. The EVM allows users to test playback with and without digital input; recording through digital input/output with an optical cable or RCA jacks; a line input/output; stereo speaker output (PCM3793A only); stereo/mono headphone output; and stereo/mono microphone input, as shown in Figure 1-3.

Figure 1-3. DEM-DAI3793A/3794A EVM System Diagram

SBAU127 –July 2007

Description

15

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Texas Instruments manual DEM-DAI3793A/3794A EVM Description, DEM-DAI3793A/3794A EVM System Diagram
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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.
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