Reference .csv Files

Signal￿path

MD/

MC/

SCKI DOUT BCK LRCK DIN SDA

SCL

www.ti.com

PCM3794A￿has￿no￿Speaker￿Output

Module￿of￿Possible￿Power￿Up/Down

MS/

ADR MODE

Power￿On

Reset

AIN3L

MUX1

AIN2L

AIN1L

 

D2S

AIN1R

MUX2

AIN3R

AIN2R

 

MCB

MICB Mic￿Bias

VCOM

 

 

 

 

VCOM

 

 

 

Power

Up/Down

Manager

 

PG1

 

 

MUX3

0dB/

 

+20dB

 

+30dB￿to

 

−12dB

 

+30dB￿to

 

−12dB

 

PG2

MUX4

 

 

 

0dB/

+20dB

COM

 

Clock

 

 

 

Serial￿Interface￿(SPI/I2C)

SPL

 

 

Audio￿Interface

 

 

Manager

 

SPOLP

 

 

 

 

DGC

 

 

 

 

 

ATR

 

 

 

 

 

 

SPOLN

 

 

 

(0dB/+6dB/+12dB/+18dB)

 

 

 

 

 

 

+6dB￿to −70dB

 

 

 

 

 

 

 

 

(Mute)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SPR

 

PG5

 

 

ATP

 

 

 

 

 

 

 

 

(0dB￿to −62dB,￿Mute)

 

 

 

SPORP

 

 

 

 

 

 

 

 

 

 

Analog￿Input￿L-Channel

 

 

 

 

 

SPORN

0dB￿to

 

 

 

 

SW1

 

+6dB￿to −70dB

 

−

21dB

ADL

 

 

DAL

 

HPL

 

 

 

 

 

MXL

 

PG3

 

 

 

 

 

 

 

 

 

 

 

SW2

LOUT

 

HPOL/

 

ΔΣ

Digital

Digital

ΔΣ

 

 

 

 

 

 

 

+

 

LOL

 

ADC

Filter

Filter

DAC

 

SW3

+6dB￿to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

−70dB

 

 

 

ADR

 

 

DAR SW6

MONO +

 

 

PG4

 

 

 

 

SW5

 

 

 

 

ΔΣ

Digital

Digital

ΔΣ

 

+

 

 

 

ADC

Filter

Filter

DAC

 

 

HPR

 

 

 

 

ROUT

 

PG6

 

 

 

 

SW4

MXR

 

HPOR/

 

 

 

 

 

 

LOR

 

Analog￿Input￿R-Channel

 

 

 

 

+6dB￿to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

−70dB

 

0dB￿to

 

 

 

 

 

MONO

 

HPCOM/

−21dB

 

 

 

 

 

 

MONO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COM

HPC

 

 

 

 

 

 

 

 

 

 

 

 

Silent￿Pop￿Noise

 

 

HPOL

 

 

 

 

 

 

 

 

HDTI

 

 

Controller

 

 

 

HPOR

 

 

 

 

 

 

 

 

VIO VDD DGND VPA PGND VCC AGND

Figure A-6. Headphone Output with Mono Diff Mic Input (AIN1L/AIN1R, +20dB)

80

Reference .csv Files, Interfacing to DSPs, and Package Information

SBAU127 –July 2007

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Texas Instruments DEM-DAI3793A manual AIN3L MUX1 AIN2L AIN1L D2S AIN1R MUX2 AIN3R AIN2R
Page 79 Page 81

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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