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Connection Diagram for Practical Applications

5.5Connection Diagram for Practical Applications

The PCM3793A/94A Daughter Card has been configured to measure dynamic audio performance by common audio analyzer equipment.

In a practical application (such as portable audio player or cellular phone), simple components set up as shown in Figure 5-15will be reasonable to save assembly and test spaces. Specific component values are listed in Table 5-5.

Lo w o r H igh

 

R1

R2

 

C1

 

C2

 

C3

 

C4

 

C5

 

C6

 

C7

SCKI (7)

(4)￿VIO

BCK￿(1)

(5)￿VDD

LRCK (32)

(6) DGND

 

DIN￿(2)

 

DOUT (3)

(20)￿VCC

MS/ADR (29)

(19) AGND

MD/SDA (30)

 

MC/SCL (31)

(12)￿VPA

MODE (28)

(13)￿PGND

PCM3793A/94A

(8)￿HDTI

MICB (21)

 

 

(17) HPOL/LOL

 

(16) HPOR/LOR

AIN1L (27)

 

AIN1R (26)

 

AIN2L (25)

(9) HPCOM/MONO

 

AIN2R (24)

 

AIN3L (23)

 

AIN3R (22)

 

VCOM (18)

(15) SPOLP

 

 

(14) SPOLN

 

(11) SPORP

 

(10) SPORN

 

To￿Regulator

 

C8

C9

 

 

C10

 

C11

 

R3

C12

 

C13

Stereo

Headphone

 

 

Monaural

C14

Line￿Output

 

R4

Figure 5-15. Basic Connection Diagram

Table 5-5. Recommended External Parts for Basic Connection Diagram

Component

Recommended Value

Component

Recommended Value

 

 

 

 

C1—C6

1μF

C12, C13

10μF–220μF

C7

1μF–10μF

C14

1μF–10μF

C8

0.1μF

R1, R2

2.2kΩ

C9, C10

1μF–4.7μF

R3

33kΩ

C11

4.7μF–10μF

R4

10kΩ

SBAU127 –July 2007

Evaluation and Measurements

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Texas Instruments DEM-DAI3793A manual Connection Diagram for Practical Applications, PCM3793A/94A
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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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